[INFO] cloning repository https://github.com/notronaldmcdonald/stupid-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/notronaldmcdonald/stupid-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotronaldmcdonald%2Fstupid-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotronaldmcdonald%2Fstupid-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5814bfa9b02fa5636127050d81608aac8d6465bb
[INFO] testing notronaldmcdonald/stupid-lang against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotronaldmcdonald%2Fstupid-lang" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/notronaldmcdonald/stupid-lang on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/notronaldmcdonald/stupid-lang
[INFO] finished tweaking git repo https://github.com/notronaldmcdonald/stupid-lang
[INFO] tweaked toml for git repo https://github.com/notronaldmcdonald/stupid-lang written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/notronaldmcdonald/stupid-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty-panic v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f1520b57500ae4a3f1fd18567be20908dab266f3fcafa5bddde35492e3b6494
[INFO] running `Command { std: "docker" "start" "-a" "8f1520b57500ae4a3f1fd18567be20908dab266f3fcafa5bddde35492e3b6494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f1520b57500ae4a3f1fd18567be20908dab266f3fcafa5bddde35492e3b6494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f1520b57500ae4a3f1fd18567be20908dab266f3fcafa5bddde35492e3b6494", kill_on_drop: false }`
[INFO] [stdout] 8f1520b57500ae4a3f1fd18567be20908dab266f3fcafa5bddde35492e3b6494
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c859de3bc9a46cbc5b3d50340fd5a590e0707d32c5572ed904ff847d9c99515d
[INFO] running `Command { std: "docker" "start" "-a" "c859de3bc9a46cbc5b3d50340fd5a590e0707d32c5572ed904ff847d9c99515d", kill_on_drop: false }`
[INFO] [stderr]    Compiling pretty-panic v1.0.0
[INFO] [stderr]    Compiling stupid-lang v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `parser::keywords::Token`
[INFO] [stdout]  --> src/lang/math.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::lang::{error::*, ioutil::*, parser::keywords::Token};
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var0`
[INFO] [stdout]   --> src/lang/parser/mod.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let var0: VarBind = VarBind::bindvar(&second_word, value);
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_var0`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]   --> src/lang/parser/mod.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |             let fname = reader::split_from_whitespace(&fname, 1);
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/lang/parser/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]   --> src/lang/parser/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     val: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Token`
[INFO] [stdout]   --> src/lang/parser/keywords.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum Token {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "c859de3bc9a46cbc5b3d50340fd5a590e0707d32c5572ed904ff847d9c99515d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c859de3bc9a46cbc5b3d50340fd5a590e0707d32c5572ed904ff847d9c99515d", kill_on_drop: false }`
[INFO] [stdout] c859de3bc9a46cbc5b3d50340fd5a590e0707d32c5572ed904ff847d9c99515d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e23ebd355d14027fb333788dada8eaf9a8005e9bc5262553f196672aa9b8e2e3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e23ebd355d14027fb333788dada8eaf9a8005e9bc5262553f196672aa9b8e2e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling stupid-lang v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `parser::keywords::Token`
[INFO] [stdout]  --> src/lang/math.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::lang::{error::*, ioutil::*, parser::keywords::Token};
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var0`
[INFO] [stdout]   --> src/lang/parser/mod.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let var0: VarBind = VarBind::bindvar(&second_word, value);
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_var0`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]   --> src/lang/parser/mod.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |             let fname = reader::split_from_whitespace(&fname, 1);
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/lang/parser/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]   --> src/lang/parser/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     val: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Token`
[INFO] [stdout]   --> src/lang/parser/keywords.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum Token {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parser::keywords::Token`
[INFO] [stdout]  --> src/lang/math.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::lang::{error::*, ioutil::*, parser::keywords::Token};
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var0`
[INFO] [stdout]   --> src/lang/parser/mod.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let var0: VarBind = VarBind::bindvar(&second_word, value);
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_var0`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]   --> src/lang/parser/mod.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |             let fname = reader::split_from_whitespace(&fname, 1);
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/lang/parser/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]   --> src/lang/parser/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     val: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Token`
[INFO] [stdout]   --> src/lang/parser/keywords.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum Token {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "e23ebd355d14027fb333788dada8eaf9a8005e9bc5262553f196672aa9b8e2e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e23ebd355d14027fb333788dada8eaf9a8005e9bc5262553f196672aa9b8e2e3", kill_on_drop: false }`
[INFO] [stdout] e23ebd355d14027fb333788dada8eaf9a8005e9bc5262553f196672aa9b8e2e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 875f66e1a75bfccf48f4b3cfdc764a1ef51457886de45e18b3ffd46a7f51f570
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "875f66e1a75bfccf48f4b3cfdc764a1ef51457886de45e18b3ffd46a7f51f570", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `parser::keywords::Token`
[INFO] [stdout] running 1 test
[INFO] [stderr]  --> src/lang/math.rs:7:40
[INFO] [stdout] test tests::char_slicer ... ok
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 7 | use crate::lang::{error::*, ioutil::*, parser::keywords::Token};
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `var0`
[INFO] [stderr]   --> src/lang/parser/mod.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |             let var0: VarBind = VarBind::bindvar(&second_word, value);
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_var0`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fname`
[INFO] [stderr]   --> src/lang/parser/mod.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |             let fname = reader::split_from_whitespace(&fname, 1);
[INFO] [stderr]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> src/lang/parser/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `val`
[INFO] [stderr]   --> src/lang/parser/mod.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     val: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Token`
[INFO] [stderr]   --> src/lang/parser/keywords.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub enum Token {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `stupid-lang` (lib) generated 6 warnings
[INFO] [stderr] warning: `stupid-lang` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stupid_lang-ab7fb1684eeb3a19)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stupid_lang-2270c611ed0b177d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stupid-lang
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "875f66e1a75bfccf48f4b3cfdc764a1ef51457886de45e18b3ffd46a7f51f570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "875f66e1a75bfccf48f4b3cfdc764a1ef51457886de45e18b3ffd46a7f51f570", kill_on_drop: false }`
[INFO] [stdout] 875f66e1a75bfccf48f4b3cfdc764a1ef51457886de45e18b3ffd46a7f51f570