[INFO] fetching crate ghola 0.1.0...
[INFO] testing ghola-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate ghola 0.1.0 into /workspace/builds/worker-67/source
[INFO] validating manifest of crates.io crate ghola 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ghola 0.1.0
[INFO] finished tweaking crates.io crate ghola 0.1.0
[INFO] tweaked toml for crates.io crate ghola 0.1.0 written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] crate crates.io crate ghola 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7c075f6915b59dc6af1ad6bab05ef8a1e607ffc61c4fb8dcccd7622c5653137
[INFO] running `Command { std: "docker" "start" "-a" "a7c075f6915b59dc6af1ad6bab05ef8a1e607ffc61c4fb8dcccd7622c5653137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7c075f6915b59dc6af1ad6bab05ef8a1e607ffc61c4fb8dcccd7622c5653137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7c075f6915b59dc6af1ad6bab05ef8a1e607ffc61c4fb8dcccd7622c5653137", kill_on_drop: false }`
[INFO] [stdout] a7c075f6915b59dc6af1ad6bab05ef8a1e607ffc61c4fb8dcccd7622c5653137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ded05c3e5e23f34b3676a511e0ee266416675f8d68122f07729a0c351cdee73f
[INFO] running `Command { std: "docker" "start" "-a" "ded05c3e5e23f34b3676a511e0ee266416675f8d68122f07729a0c351cdee73f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ghola v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `temp`
[INFO] [stdout]  --> src/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn temp() -> String {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "ded05c3e5e23f34b3676a511e0ee266416675f8d68122f07729a0c351cdee73f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ded05c3e5e23f34b3676a511e0ee266416675f8d68122f07729a0c351cdee73f", kill_on_drop: false }`
[INFO] [stdout] ded05c3e5e23f34b3676a511e0ee266416675f8d68122f07729a0c351cdee73f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b897806fdd8a100043eddba2276d5f65679bbf12e9daebd6e87ffe06a0f67d19
[INFO] running `Command { std: "docker" "start" "-a" "b897806fdd8a100043eddba2276d5f65679bbf12e9daebd6e87ffe06a0f67d19", kill_on_drop: false }`
[INFO] [stderr]    Compiling ghola v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "b897806fdd8a100043eddba2276d5f65679bbf12e9daebd6e87ffe06a0f67d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b897806fdd8a100043eddba2276d5f65679bbf12e9daebd6e87ffe06a0f67d19", kill_on_drop: false }`
[INFO] [stdout] b897806fdd8a100043eddba2276d5f65679bbf12e9daebd6e87ffe06a0f67d19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d88432631499da8b880af1b1779e434527902d2639f54389ed17076f04211dbe
[INFO] running `Command { std: "docker" "start" "-a" "d88432631499da8b880af1b1779e434527902d2639f54389ed17076f04211dbe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ghola-730534b6701cc710)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d88432631499da8b880af1b1779e434527902d2639f54389ed17076f04211dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d88432631499da8b880af1b1779e434527902d2639f54389ed17076f04211dbe", kill_on_drop: false }`
[INFO] [stdout] d88432631499da8b880af1b1779e434527902d2639f54389ed17076f04211dbe