[INFO] cloning repository https://github.com/jjc914/cis198-homework3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jjc914/cis198-homework3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjc914%2Fcis198-homework3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjc914%2Fcis198-homework3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53ee92c6323b2a899a68bdf76a2f39a29c75f109
[INFO] testing jjc914/cis198-homework3 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjc914%2Fcis198-homework3" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jjc914/cis198-homework3 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jjc914/cis198-homework3
[INFO] finished tweaking git repo https://github.com/jjc914/cis198-homework3
[INFO] tweaked toml for git repo https://github.com/jjc914/cis198-homework3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jjc914/cis198-homework3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0130e379d47b6fc5d3fef56f8fa459e2a6a72c2f0bf207f03d2a05c67c95e03
[INFO] running `Command { std: "docker" "start" "-a" "f0130e379d47b6fc5d3fef56f8fa459e2a6a72c2f0bf207f03d2a05c67c95e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0130e379d47b6fc5d3fef56f8fa459e2a6a72c2f0bf207f03d2a05c67c95e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0130e379d47b6fc5d3fef56f8fa459e2a6a72c2f0bf207f03d2a05c67c95e03", kill_on_drop: false }`
[INFO] [stdout] f0130e379d47b6fc5d3fef56f8fa459e2a6a72c2f0bf207f03d2a05c67c95e03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91e105b1532241eff5c0fa0b8fba90cb3691835bf42ea1f654f6ccba31a7cc3d
[INFO] running `Command { std: "docker" "start" "-a" "91e105b1532241eff5c0fa0b8fba90cb3691835bf42ea1f654f6ccba31a7cc3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling syn v2.0.42
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling homework3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/compiler/mod.rs:382:11
[INFO] [stdout]     |
[INFO] [stdout] 382 |                         let token = tokens.pop_front().unwrap();
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/compiler/mod.rs:392:11
[INFO] [stdout]     |
[INFO] [stdout] 392 |                         let token = tokens.pop_front().unwrap();
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `assembly`
[INFO] [stdout]    --> src/compiler/mod.rs:647:29
[INFO] [stdout]     |
[INFO] [stdout] 647 |     fn generate_decl_statement(assembly: &mut String, variable_offsets: &mut HashMap<String, usize>) {
[INFO] [stdout]     |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_assembly`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variable_offsets`
[INFO] [stdout]    --> src/compiler/mod.rs:647:52
[INFO] [stdout]     |
[INFO] [stdout] 647 |     fn generate_decl_statement(assembly: &mut String, variable_offsets: &mut HashMap<String, usize>) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable_offsets`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.64s
[INFO] running `Command { std: "docker" "inspect" "91e105b1532241eff5c0fa0b8fba90cb3691835bf42ea1f654f6ccba31a7cc3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e105b1532241eff5c0fa0b8fba90cb3691835bf42ea1f654f6ccba31a7cc3d", kill_on_drop: false }`
[INFO] [stdout] 91e105b1532241eff5c0fa0b8fba90cb3691835bf42ea1f654f6ccba31a7cc3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e982f094ee4de5e4e0cf8feda292ee8af85f9fb0fade898cf07146a60afad41
[INFO] running `Command { std: "docker" "start" "-a" "9e982f094ee4de5e4e0cf8feda292ee8af85f9fb0fade898cf07146a60afad41", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/compiler/mod.rs:382:11
[INFO] [stdout]     |
[INFO] [stdout] 382 |                         let token = tokens.pop_front().unwrap();
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/compiler/mod.rs:392:11
[INFO] [stdout]     |
[INFO] [stdout] 392 |                         let token = tokens.pop_front().unwrap();
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `assembly`
[INFO] [stdout]    --> src/compiler/mod.rs:647:29
[INFO] [stdout]     |
[INFO] [stdout] 647 |     fn generate_decl_statement(assembly: &mut String, variable_offsets: &mut HashMap<String, usize>) {
[INFO] [stdout]     |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_assembly`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling homework3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `variable_offsets`
[INFO] [stdout]    --> src/compiler/mod.rs:647:52
[INFO] [stdout]     |
[INFO] [stdout] 647 |     fn generate_decl_statement(assembly: &mut String, variable_offsets: &mut HashMap<String, usize>) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable_offsets`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/compiler/mod.rs:382:11
[INFO] [stdout]     |
[INFO] [stdout] 382 |                         let token = tokens.pop_front().unwrap();
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/compiler/mod.rs:392:11
[INFO] [stdout]     |
[INFO] [stdout] 392 |                         let token = tokens.pop_front().unwrap();
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `assembly`
[INFO] [stdout]    --> src/compiler/mod.rs:647:29
[INFO] [stdout]     |
[INFO] [stdout] 647 |     fn generate_decl_statement(assembly: &mut String, variable_offsets: &mut HashMap<String, usize>) {
[INFO] [stdout]     |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_assembly`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variable_offsets`
[INFO] [stdout]    --> src/compiler/mod.rs:647:52
[INFO] [stdout]     |
[INFO] [stdout] 647 |     fn generate_decl_statement(assembly: &mut String, variable_offsets: &mut HashMap<String, usize>) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable_offsets`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "9e982f094ee4de5e4e0cf8feda292ee8af85f9fb0fade898cf07146a60afad41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e982f094ee4de5e4e0cf8feda292ee8af85f9fb0fade898cf07146a60afad41", kill_on_drop: false }`
[INFO] [stdout] 9e982f094ee4de5e4e0cf8feda292ee8af85f9fb0fade898cf07146a60afad41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d5bc6cfbd0981bbda85ac677dd143391d6ee471885db54b39e42e3bae2194984
[INFO] running `Command { std: "docker" "start" "-a" "d5bc6cfbd0981bbda85ac677dd143391d6ee471885db54b39e42e3bae2194984", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]    --> src/compiler/mod.rs:382:11
[INFO] [stderr]     |
[INFO] [stderr] 382 |                         let token = tokens.pop_front().unwrap();
[INFO] [stderr]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]    --> src/compiler/mod.rs:392:11
[INFO] [stderr]     |
[INFO] [stderr] 392 |                         let token = tokens.pop_front().unwrap();
[INFO] [stderr]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `assembly`
[INFO] [stderr]    --> src/compiler/mod.rs:647:29
[INFO] [stderr]     |
[INFO] [stderr] 647 |     fn generate_decl_statement(assembly: &mut String, variable_offsets: &mut HashMap<String, usize>) {
[INFO] [stderr]     |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_assembly`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variable_offsets`
[INFO] [stderr]    --> src/compiler/mod.rs:647:52
[INFO] [stderr]     |
[INFO] [stderr] 647 |     fn generate_decl_statement(assembly: &mut String, variable_offsets: &mut HashMap<String, usize>) {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable_offsets`
[INFO] [stderr] 
[INFO] [stderr] warning: `homework3` (lib) generated 4 warnings
[INFO] [stderr] warning: `homework3` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/homework3-09790e3fd88b592a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test graph::test_graph ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- graph::test_graph stdout ----
[INFO] [stdout] thread 'graph::test_graph' panicked at src/graph/mod.rs:881:77:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55fd99007e75 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55fd99007e75 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55fd99007e75 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55fd99007e75 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55fd9902ec1b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55fd9902ec1b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55fd990056af - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55fd99007c4e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55fd99007c4e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55fd99009679 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x55fd9900933e - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55fd98fcf46a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55fd98fcf46a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55fd99009c7b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55fd99009c7b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55fd990099f4 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55fd99008339 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55fd99009727 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55fd98f5a903 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55fd98f5ae36 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55fd98f88f02 - core::result::Result<T,E>::unwrap::h53fe30e965f69faa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55fd98f88f02 - homework3::graph::test_graph::h7df4198b2dd274fa
[INFO] [stdout]                                at /opt/rustwide/workdir/src/graph/mod.rs:881:42
[INFO] [stdout]   22:     0x55fd98f86157 - homework3::graph::test_graph::{{closure}}::hdd23f2f4364d067a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/graph/mod.rs:780:16
[INFO] [stdout]   23:     0x55fd98f8a4a6 - core::ops::function::FnOnce::call_once::h48d294a20dc01d58
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55fd98fd3e4b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55fd98fd3e4b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   26:     0x55fd98fd3551 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   27:     0x55fd98fd3551 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55fd98fd3551 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   29:     0x55fd98fd3551 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   30:     0x55fd98fd3551 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   31:     0x55fd98fd3551 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   32:     0x55fd98fd3551 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   33:     0x55fd98f9bf14 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   34:     0x55fd98f9bf14 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55fd98fa0942 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   36:     0x55fd98fa0942 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55fd98fa0942 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   38:     0x55fd98fa0942 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   39:     0x55fd98fa0942 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   40:     0x55fd98fa0942 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   41:     0x55fd98fa0942 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55fd9900df4b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   43:     0x55fd9900df4b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   44:     0x55fd9900df4b - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f31e6039ac3 - <unknown>
[INFO] [stdout]   46:     0x7f31e60caa04 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     graph::test_graph
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "d5bc6cfbd0981bbda85ac677dd143391d6ee471885db54b39e42e3bae2194984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5bc6cfbd0981bbda85ac677dd143391d6ee471885db54b39e42e3bae2194984", kill_on_drop: false }`
[INFO] [stdout] d5bc6cfbd0981bbda85ac677dd143391d6ee471885db54b39e42e3bae2194984
[INFO] testing jjc914/cis198-homework3 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjc914%2Fcis198-homework3" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jjc914/cis198-homework3 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jjc914/cis198-homework3
[INFO] finished tweaking git repo https://github.com/jjc914/cis198-homework3
[INFO] tweaked toml for git repo https://github.com/jjc914/cis198-homework3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jjc914/cis198-homework3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8364ee9677eba98769c5a9547593b71654075b3c5b70135227be09d2956a883a
[INFO] running `Command { std: "docker" "start" "-a" "8364ee9677eba98769c5a9547593b71654075b3c5b70135227be09d2956a883a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8364ee9677eba98769c5a9547593b71654075b3c5b70135227be09d2956a883a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8364ee9677eba98769c5a9547593b71654075b3c5b70135227be09d2956a883a", kill_on_drop: false }`
[INFO] [stdout] 8364ee9677eba98769c5a9547593b71654075b3c5b70135227be09d2956a883a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cace84dff2cef2a12c07c387bdc5d74b6a99daa2dc602e5f09da37462142aade
[INFO] running `Command { std: "docker" "start" "-a" "cace84dff2cef2a12c07c387bdc5d74b6a99daa2dc602e5f09da37462142aade", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling syn v2.0.42
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling homework3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/compiler/mod.rs:382:11
[INFO] [stdout]     |
[INFO] [stdout] 382 |                         let token = tokens.pop_front().unwrap();
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/compiler/mod.rs:392:11
[INFO] [stdout]     |
[INFO] [stdout] 392 |                         let token = tokens.pop_front().unwrap();
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `assembly`
[INFO] [stdout]    --> src/compiler/mod.rs:647:29
[INFO] [stdout]     |
[INFO] [stdout] 647 |     fn generate_decl_statement(assembly: &mut String, variable_offsets: &mut HashMap<String, usize>) {
[INFO] [stdout]     |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_assembly`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variable_offsets`
[INFO] [stdout]    --> src/compiler/mod.rs:647:52
[INFO] [stdout]     |
[INFO] [stdout] 647 |     fn generate_decl_statement(assembly: &mut String, variable_offsets: &mut HashMap<String, usize>) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable_offsets`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.40s
[INFO] running `Command { std: "docker" "inspect" "cace84dff2cef2a12c07c387bdc5d74b6a99daa2dc602e5f09da37462142aade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cace84dff2cef2a12c07c387bdc5d74b6a99daa2dc602e5f09da37462142aade", kill_on_drop: false }`
[INFO] [stdout] cace84dff2cef2a12c07c387bdc5d74b6a99daa2dc602e5f09da37462142aade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8155285d1f81933682beeee67e33d9078f1b227064c930f30de23ab8ed93efe3
[INFO] running `Command { std: "docker" "start" "-a" "8155285d1f81933682beeee67e33d9078f1b227064c930f30de23ab8ed93efe3", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/compiler/mod.rs:382:11
[INFO] [stdout]     |
[INFO] [stdout] 382 |                         let token = tokens.pop_front().unwrap();
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/compiler/mod.rs:392:11
[INFO] [stdout]     |
[INFO] [stdout] 392 |                         let token = tokens.pop_front().unwrap();
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `assembly`
[INFO] [stdout]    --> src/compiler/mod.rs:647:29
[INFO] [stdout]     |
[INFO] [stdout] 647 |     fn generate_decl_statement(assembly: &mut String, variable_offsets: &mut HashMap<String, usize>) {
[INFO] [stdout]     |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_assembly`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variable_offsets`
[INFO] [stdout]    --> src/compiler/mod.rs:647:52
[INFO] [stdout]     |
[INFO] [stdout] 647 |     fn generate_decl_statement(assembly: &mut String, variable_offsets: &mut HashMap<String, usize>) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable_offsets`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling homework3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/compiler/mod.rs:382:11
[INFO] [stdout]     |
[INFO] [stdout] 382 |                         let token = tokens.pop_front().unwrap();
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/compiler/mod.rs:392:11
[INFO] [stdout]     |
[INFO] [stdout] 392 |                         let token = tokens.pop_front().unwrap();
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `assembly`
[INFO] [stdout]    --> src/compiler/mod.rs:647:29
[INFO] [stdout]     |
[INFO] [stdout] 647 |     fn generate_decl_statement(assembly: &mut String, variable_offsets: &mut HashMap<String, usize>) {
[INFO] [stdout]     |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_assembly`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variable_offsets`
[INFO] [stdout]    --> src/compiler/mod.rs:647:52
[INFO] [stdout]     |
[INFO] [stdout] 647 |     fn generate_decl_statement(assembly: &mut String, variable_offsets: &mut HashMap<String, usize>) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable_offsets`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "8155285d1f81933682beeee67e33d9078f1b227064c930f30de23ab8ed93efe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8155285d1f81933682beeee67e33d9078f1b227064c930f30de23ab8ed93efe3", kill_on_drop: false }`
[INFO] [stdout] 8155285d1f81933682beeee67e33d9078f1b227064c930f30de23ab8ed93efe3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63c4d27485ec739f75df441a59e4624bda114bfa646e1a8956a3734e1fa70990
[INFO] running `Command { std: "docker" "start" "-a" "63c4d27485ec739f75df441a59e4624bda114bfa646e1a8956a3734e1fa70990", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]    --> src/compiler/mod.rs:382:11
[INFO] [stderr]     |
[INFO] [stderr] 382 |                         let token = tokens.pop_front().unwrap();
[INFO] [stderr]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]    --> src/compiler/mod.rs:392:11
[INFO] [stderr]     |
[INFO] [stderr] 392 |                         let token = tokens.pop_front().unwrap();
[INFO] [stderr]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `assembly`
[INFO] [stderr]    --> src/compiler/mod.rs:647:29
[INFO] [stderr]     |
[INFO] [stderr] 647 |     fn generate_decl_statement(assembly: &mut String, variable_offsets: &mut HashMap<String, usize>) {
[INFO] [stderr]     |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_assembly`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variable_offsets`
[INFO] [stderr]    --> src/compiler/mod.rs:647:52
[INFO] [stderr]     |
[INFO] [stderr] 647 |     fn generate_decl_statement(assembly: &mut String, variable_offsets: &mut HashMap<String, usize>) {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable_offsets`
[INFO] [stderr] 
[INFO] [stderr] warning: `homework3` (lib) generated 4 warnings
[INFO] [stderr] warning: `homework3` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/homework3-09790e3fd88b592a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test graph::test_graph ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- graph::test_graph stdout ----
[INFO] [stdout] thread 'graph::test_graph' panicked at src/graph/mod.rs:881:77:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5629f759eac5 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x5629f759eac5 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5629f759eac5 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5629f759eac5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5629f75c580b - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x5629f75c580b - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5629f759c3af - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x5629f759e89e - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5629f759e89e - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5629f75a0209 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x5629f759ff5c - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5629f7568e9f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5629f7568e9f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5629f75a080b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x5629f75a080b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x5629f75a0584 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x5629f759ef89 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5629f75a02b7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5629f74f38e3 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5629f74f3e16 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x5629f7521fc2 - core::result::Result<T,E>::unwrap::hc0f1ad8a02e1badf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5629f7521fc2 - homework3::graph::test_graph::h37e6b60254ba8db7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/graph/mod.rs:881:42
[INFO] [stdout]   22:     0x5629f751f217 - homework3::graph::test_graph::{{closure}}::h60ca9a1bc5f6aeb2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/graph/mod.rs:780:16
[INFO] [stdout]   23:     0x5629f75235d6 - core::ops::function::FnOnce::call_once::h49f0fafd01684cd8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5629f756d7bb - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5629f756d7bb - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   26:     0x5629f756ce81 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   27:     0x5629f756ce81 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5629f756ce81 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   29:     0x5629f756ce81 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   30:     0x5629f756ce81 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   31:     0x5629f756ce81 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   32:     0x5629f756ce81 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   33:     0x5629f7535854 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   34:     0x5629f7535854 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x5629f753a322 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   36:     0x5629f753a322 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5629f753a322 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   38:     0x5629f753a322 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   39:     0x5629f753a322 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   40:     0x5629f753a322 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   41:     0x5629f753a322 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5629f75a4acb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   43:     0x5629f75a4acb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   44:     0x5629f75a4acb - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f4be27f7ac3 - <unknown>
[INFO] [stdout]   46:     0x7f4be2888a04 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     graph::test_graph
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "63c4d27485ec739f75df441a59e4624bda114bfa646e1a8956a3734e1fa70990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c4d27485ec739f75df441a59e4624bda114bfa646e1a8956a3734e1fa70990", kill_on_drop: false }`
[INFO] [stdout] 63c4d27485ec739f75df441a59e4624bda114bfa646e1a8956a3734e1fa70990
