[INFO] fetching crate ig_learn_rust 0.1.0...
[INFO] testing ig_learn_rust-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate ig_learn_rust 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate ig_learn_rust 0.1.0
[INFO] finished tweaking crates.io crate ig_learn_rust 0.1.0
[INFO] tweaked toml for crates.io crate ig_learn_rust 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ig_learn_rust 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ig_learn_rust 0.1.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fdcced69e1ef72b708364641d64e73d833d9b867423d3f9a094179bb3b353ed
[INFO] running `Command { std: "docker" "start" "-a" "8fdcced69e1ef72b708364641d64e73d833d9b867423d3f9a094179bb3b353ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fdcced69e1ef72b708364641d64e73d833d9b867423d3f9a094179bb3b353ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fdcced69e1ef72b708364641d64e73d833d9b867423d3f9a094179bb3b353ed", kill_on_drop: false }`
[INFO] [stdout] 8fdcced69e1ef72b708364641d64e73d833d9b867423d3f9a094179bb3b353ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99ce772112d3ab248ec9ff6951976eeb1dfd94c6d7c1994ad89a3b9784dda6bd
[INFO] running `Command { std: "docker" "start" "-a" "99ce772112d3ab248ec9ff6951976eeb1dfd94c6d7c1994ad89a3b9784dda6bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling ig_learn_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `get_largest` is never used
[INFO] [stdout]   --> src/main.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn get_largest<T: PartialOrd + Copy>(numbers: Vec<T>) -> T {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "99ce772112d3ab248ec9ff6951976eeb1dfd94c6d7c1994ad89a3b9784dda6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99ce772112d3ab248ec9ff6951976eeb1dfd94c6d7c1994ad89a3b9784dda6bd", kill_on_drop: false }`
[INFO] [stdout] 99ce772112d3ab248ec9ff6951976eeb1dfd94c6d7c1994ad89a3b9784dda6bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 723430c2eb4c70b7a65893d30899aa81484d79ff1005587d09181ce29df29bfd
[INFO] running `Command { std: "docker" "start" "-a" "723430c2eb4c70b7a65893d30899aa81484d79ff1005587d09181ce29df29bfd", kill_on_drop: false }`
[INFO] [stderr]    Compiling ig_learn_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `get_largest` is never used
[INFO] [stdout]   --> src/main.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn get_largest<T: PartialOrd + Copy>(numbers: Vec<T>) -> T {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "723430c2eb4c70b7a65893d30899aa81484d79ff1005587d09181ce29df29bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "723430c2eb4c70b7a65893d30899aa81484d79ff1005587d09181ce29df29bfd", kill_on_drop: false }`
[INFO] [stdout] 723430c2eb4c70b7a65893d30899aa81484d79ff1005587d09181ce29df29bfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 726441b03d99c9a3504e1cd1ccb09e3a6481a0741aa8bd07e3c3e62ba2d3b308
[INFO] running `Command { std: "docker" "start" "-a" "726441b03d99c9a3504e1cd1ccb09e3a6481a0741aa8bd07e3c3e62ba2d3b308", kill_on_drop: false }`
[INFO] [stderr] warning: function `get_largest` is never used
[INFO] [stderr]   --> src/main.rs:74:4
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn get_largest<T: PartialOrd + Copy>(numbers: Vec<T>) -> T {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ig_learn_rust` (bin "ig_learn_rust" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ig_learn_rust-a32458d18d442b55)
[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" "726441b03d99c9a3504e1cd1ccb09e3a6481a0741aa8bd07e3c3e62ba2d3b308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "726441b03d99c9a3504e1cd1ccb09e3a6481a0741aa8bd07e3c3e62ba2d3b308", kill_on_drop: false }`
[INFO] [stdout] 726441b03d99c9a3504e1cd1ccb09e3a6481a0741aa8bd07e3c3e62ba2d3b308