[INFO] cloning repository https://github.com/Pyrerune/custom-c-compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pyrerune/custom-c-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPyrerune%2Fcustom-c-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPyrerune%2Fcustom-c-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a9129c360705e615df623aeadef287e875a4d8f
[INFO] testing Pyrerune/custom-c-compiler against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPyrerune%2Fcustom-c-compiler" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pyrerune/custom-c-compiler on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Pyrerune/custom-c-compiler
[INFO] finished tweaking git repo https://github.com/Pyrerune/custom-c-compiler
[INFO] tweaked toml for git repo https://github.com/Pyrerune/custom-c-compiler written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Pyrerune/custom-c-compiler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17241b34aa1dfb53342e760ff770b283c69157a1dba91f00ff76f94f58955974
[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" "17241b34aa1dfb53342e760ff770b283c69157a1dba91f00ff76f94f58955974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17241b34aa1dfb53342e760ff770b283c69157a1dba91f00ff76f94f58955974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17241b34aa1dfb53342e760ff770b283c69157a1dba91f00ff76f94f58955974", kill_on_drop: false }`
[INFO] [stdout] 17241b34aa1dfb53342e760ff770b283c69157a1dba91f00ff76f94f58955974
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e298036b4392e31e03c6f59dd507fcffcf29d4e30ca59283cffab1582bed5010
[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" "e298036b4392e31e03c6f59dd507fcffcf29d4e30ca59283cffab1582bed5010", kill_on_drop: false }`
[INFO] [stderr]    Compiling c-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Chars`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::str::Chars;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ftype`
[INFO] [stdout]    --> src/lib.rs:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 |     let ftype = f.ftype;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_ftype`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sname`
[INFO] [stdout]    --> src/lib.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |     let sname = fbody.name;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_sname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut n = 0;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/lib.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut result: Result<Function, &str>;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut n = 0;
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_unary_operator`
[INFO] [stdout]    --> src/lib.rs:365:4
[INFO] [stdout]     |
[INFO] [stdout] 365 | fn is_unary_operator(c: char) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_binary_operator`
[INFO] [stdout]    --> src/lib.rs:375:4
[INFO] [stdout]     |
[INFO] [stdout] 375 | fn is_binary_operator(c: char) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bin/compiler.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     file.read_to_string(&mut buf);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bin/compiler.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         new_file.write_all(asm.as_bytes());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bin/compiler.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         gcc.spawn();
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "e298036b4392e31e03c6f59dd507fcffcf29d4e30ca59283cffab1582bed5010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e298036b4392e31e03c6f59dd507fcffcf29d4e30ca59283cffab1582bed5010", kill_on_drop: false }`
[INFO] [stdout] e298036b4392e31e03c6f59dd507fcffcf29d4e30ca59283cffab1582bed5010
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51b0df2e7b6f78ac53e5f158b8512b4cd7d8c490342edcb70b8cc3eb859475b7
[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" "51b0df2e7b6f78ac53e5f158b8512b4cd7d8c490342edcb70b8cc3eb859475b7", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Chars`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::str::Chars;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling c-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ftype`
[INFO] [stdout]    --> src/lib.rs:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 |     let ftype = f.ftype;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_ftype`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sname`
[INFO] [stdout]    --> src/lib.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |     let sname = fbody.name;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_sname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut n = 0;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/lib.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut result: Result<Function, &str>;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut n = 0;
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_unary_operator`
[INFO] [stdout]    --> src/lib.rs:365:4
[INFO] [stdout]     |
[INFO] [stdout] 365 | fn is_unary_operator(c: char) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_binary_operator`
[INFO] [stdout]    --> src/lib.rs:375:4
[INFO] [stdout]     |
[INFO] [stdout] 375 | fn is_binary_operator(c: char) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Chars`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::str::Chars;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bin/compiler.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     file.read_to_string(&mut buf);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bin/compiler.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         new_file.write_all(asm.as_bytes());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bin/compiler.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         gcc.spawn();
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ftype`
[INFO] [stdout]    --> src/lib.rs:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 |     let ftype = f.ftype;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_ftype`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sname`
[INFO] [stdout]    --> src/lib.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |     let sname = fbody.name;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_sname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut n = 0;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/lib.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut result: Result<Function, &str>;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut n = 0;
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_unary_operator`
[INFO] [stdout]    --> src/lib.rs:365:4
[INFO] [stdout]     |
[INFO] [stdout] 365 | fn is_unary_operator(c: char) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_binary_operator`
[INFO] [stdout]    --> src/lib.rs:375:4
[INFO] [stdout]     |
[INFO] [stdout] 375 | fn is_binary_operator(c: char) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "51b0df2e7b6f78ac53e5f158b8512b4cd7d8c490342edcb70b8cc3eb859475b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51b0df2e7b6f78ac53e5f158b8512b4cd7d8c490342edcb70b8cc3eb859475b7", kill_on_drop: false }`
[INFO] [stdout] 51b0df2e7b6f78ac53e5f158b8512b4cd7d8c490342edcb70b8cc3eb859475b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 170046978c9bd54358d258a8d504cdc3789fc9684bd5d1dbd6d0459c740db12c
[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" "170046978c9bd54358d258a8d504cdc3789fc9684bd5d1dbd6d0459c740db12c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::process::exit;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::Chars`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::str::Chars;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ftype`
[INFO] [stderr]    --> src/lib.rs:310:9
[INFO] [stderr]     |
[INFO] [stderr] 310 |     let ftype = f.ftype;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_ftype`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sname`
[INFO] [stderr]    --> src/lib.rs:312:9
[INFO] [stderr]     |
[INFO] [stderr] 312 |     let sname = fbody.name;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_sname`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/lib.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut n = 0;
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> src/lib.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let mut result: Result<Function, &str>;
[INFO] [stderr]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut n = 0;
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_unary_operator`
[INFO] [stderr]    --> src/lib.rs:365:4
[INFO] [stderr]     |
[INFO] [stderr] 365 | fn is_unary_operator(c: char) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_binary_operator`
[INFO] [stderr]    --> src/lib.rs:375:4
[INFO] [stderr]     |
[INFO] [stderr] 375 | fn is_binary_operator(c: char) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::process::exit;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::Chars`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::str::Chars;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ftype`
[INFO] [stderr]    --> src/lib.rs:310:9
[INFO] [stderr]     |
[INFO] [stderr] 310 |     let ftype = f.ftype;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_ftype`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sname`
[INFO] [stderr]    --> src/lib.rs:312:9
[INFO] [stderr]     |
[INFO] [stderr] 312 |     let sname = fbody.name;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_sname`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/lib.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut n = 0;
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> src/lib.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let mut result: Result<Function, &str>;
[INFO] [stderr]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut n = 0;
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_unary_operator`
[INFO] [stderr]    --> src/lib.rs:365:4
[INFO] [stderr]     |
[INFO] [stderr] 365 | fn is_unary_operator(c: char) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_binary_operator`
[INFO] [stderr]    --> src/lib.rs:375:4
[INFO] [stderr]     |
[INFO] [stderr] 375 | fn is_binary_operator(c: char) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/compiler.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     file.read_to_string(&mut buf);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/compiler.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         new_file.write_all(asm.as_bytes());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/compiler.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         gcc.spawn();
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c_compiler-40c7c49a27986681
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/compiler-1f3064e1f98ecff8
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests c-compiler
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "170046978c9bd54358d258a8d504cdc3789fc9684bd5d1dbd6d0459c740db12c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "170046978c9bd54358d258a8d504cdc3789fc9684bd5d1dbd6d0459c740db12c", kill_on_drop: false }`
[INFO] [stdout] 170046978c9bd54358d258a8d504cdc3789fc9684bd5d1dbd6d0459c740db12c