[INFO] cloning repository https://github.com/Yuhanun/y-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yuhanun/y-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuhanun%2Fy-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuhanun%2Fy-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b626cdac5239bec6fd920327ad31bd04cc2bab7
[INFO] testing Yuhanun/y-lang against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuhanun%2Fy-lang" "/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/Yuhanun/y-lang 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/Yuhanun/y-lang
[INFO] finished tweaking git repo https://github.com/Yuhanun/y-lang
[INFO] tweaked toml for git repo https://github.com/Yuhanun/y-lang written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Yuhanun/y-lang 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] 906ec619b068b4ba7498b8f354f6303445e20e2c44ba4419d38273262697cefb
[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" "906ec619b068b4ba7498b8f354f6303445e20e2c44ba4419d38273262697cefb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "906ec619b068b4ba7498b8f354f6303445e20e2c44ba4419d38273262697cefb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "906ec619b068b4ba7498b8f354f6303445e20e2c44ba4419d38273262697cefb", kill_on_drop: false }`
[INFO] [stdout] 906ec619b068b4ba7498b8f354f6303445e20e2c44ba4419d38273262697cefb
[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] a89c527ebbd6c0e430bc61852f2afccaffdd2db033da843e627273dc64fba758
[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" "a89c527ebbd6c0e430bc61852f2afccaffdd2db033da843e627273dc64fba758", kill_on_drop: false }`
[INFO] [stderr]    Compiling y_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `own_tokens`
[INFO] [stdout]  --> tokenizer/tokens.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     own_tokens: &'a [&'a str],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `delimiters`
[INFO] [stdout]  --> tokenizer/tokens.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     delimiters: &'a [&'a str],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_token_end`
[INFO] [stdout]  --> tokenizer/tokens.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     last_token_end: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "a89c527ebbd6c0e430bc61852f2afccaffdd2db033da843e627273dc64fba758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a89c527ebbd6c0e430bc61852f2afccaffdd2db033da843e627273dc64fba758", kill_on_drop: false }`
[INFO] [stdout] a89c527ebbd6c0e430bc61852f2afccaffdd2db033da843e627273dc64fba758
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e32a8ad49e251bcc5bf4855e1dc4c4d161b022baec241af1c3dbc3f271cdc630
[INFO] running `Command { std: "docker" "start" "-a" "e32a8ad49e251bcc5bf4855e1dc4c4d161b022baec241af1c3dbc3f271cdc630", kill_on_drop: false }`
[INFO] [stderr]    Compiling y_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `own_tokens`
[INFO] [stdout]  --> tokenizer/tokens.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     own_tokens: &'a [&'a str],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `delimiters`
[INFO] [stdout]  --> tokenizer/tokens.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     delimiters: &'a [&'a str],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_token_end`
[INFO] [stdout]  --> tokenizer/tokens.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     last_token_end: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `own_tokens`
[INFO] [stdout]  --> tokenizer/tokens.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     own_tokens: &'a [&'a str],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `delimiters`
[INFO] [stdout]  --> tokenizer/tokens.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     delimiters: &'a [&'a str],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_token_end`
[INFO] [stdout]  --> tokenizer/tokens.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     last_token_end: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "e32a8ad49e251bcc5bf4855e1dc4c4d161b022baec241af1c3dbc3f271cdc630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e32a8ad49e251bcc5bf4855e1dc4c4d161b022baec241af1c3dbc3f271cdc630", kill_on_drop: false }`
[INFO] [stdout] e32a8ad49e251bcc5bf4855e1dc4c4d161b022baec241af1c3dbc3f271cdc630
[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] 3219745e78841389704b032cda48fcfa23b3adca3b0c32d5cff86356fced6fe8
[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" "3219745e78841389704b032cda48fcfa23b3adca3b0c32d5cff86356fced6fe8", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `own_tokens`
[INFO] [stderr]  --> tokenizer/tokens.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     own_tokens: &'a [&'a str],
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `delimiters`
[INFO] [stderr]  --> tokenizer/tokens.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     delimiters: &'a [&'a str],
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `last_token_end`
[INFO] [stderr]  --> tokenizer/tokens.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     last_token_end: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `own_tokens`
[INFO] [stderr]  --> tokenizer/tokens.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     own_tokens: &'a [&'a str],
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `delimiters`
[INFO] [stderr]  --> tokenizer/tokens.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     delimiters: &'a [&'a str],
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `last_token_end`
[INFO] [stderr]  --> tokenizer/tokens.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     last_token_end: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tokenizer-b7d50ad777c7289f
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/y_lang-e3d558de53189136
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tokenizer_basic-342f262c1dfd1d11
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass '--test tokenizer_basic'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/tokenizer_basic-342f262c1dfd1d11` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "3219745e78841389704b032cda48fcfa23b3adca3b0c32d5cff86356fced6fe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3219745e78841389704b032cda48fcfa23b3adca3b0c32d5cff86356fced6fe8", kill_on_drop: false }`
[INFO] [stdout] 3219745e78841389704b032cda48fcfa23b3adca3b0c32d5cff86356fced6fe8