[INFO] cloning repository https://github.com/yutopp/toy-runner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yutopp/toy-runner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyutopp%2Ftoy-runner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyutopp%2Ftoy-runner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8bdaaa633505bdc1771c20c82c6e28d8b68b4bfa
[INFO] testing yutopp/toy-runner against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyutopp%2Ftoy-runner" "/workspace/builds/worker-94/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-94/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yutopp/toy-runner 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 git repo https://github.com/yutopp/toy-runner
[INFO] finished tweaking git repo https://github.com/yutopp/toy-runner
[INFO] tweaked toml for git repo https://github.com/yutopp/toy-runner written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] crate git repo https://github.com/yutopp/toy-runner 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-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] 6c7eb4fa4264f067842521cb5c51759afb10ba6f7ac73533677a1344d6ae0283
[INFO] running `Command { std: "docker" "start" "-a" "6c7eb4fa4264f067842521cb5c51759afb10ba6f7ac73533677a1344d6ae0283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c7eb4fa4264f067842521cb5c51759afb10ba6f7ac73533677a1344d6ae0283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c7eb4fa4264f067842521cb5c51759afb10ba6f7ac73533677a1344d6ae0283", kill_on_drop: false }`
[INFO] [stdout] 6c7eb4fa4264f067842521cb5c51759afb10ba6f7ac73533677a1344d6ae0283
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] b61d5a2f4c2f6c52597fac51a5f36ced78896778bbd0d21cd7b5eccd51df318d
[INFO] running `Command { std: "docker" "start" "-a" "b61d5a2f4c2f6c52597fac51a5f36ced78896778bbd0d21cd7b5eccd51df318d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling toy-runner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     { RawWakerVTable::new(raw_clone, raw_wake, raw_wake_by_ref, raw_drop) };
[INFO] [stdout]    |     ^^                                                                   ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 36 -     { RawWakerVTable::new(raw_clone, raw_wake, raw_wake_by_ref, raw_drop) };
[INFO] [stdout] 36 +     RawWakerVTable::new(raw_clone, raw_wake, raw_wake_by_ref, raw_drop);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.80s
[INFO] running `Command { std: "docker" "inspect" "b61d5a2f4c2f6c52597fac51a5f36ced78896778bbd0d21cd7b5eccd51df318d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b61d5a2f4c2f6c52597fac51a5f36ced78896778bbd0d21cd7b5eccd51df318d", kill_on_drop: false }`
[INFO] [stdout] b61d5a2f4c2f6c52597fac51a5f36ced78896778bbd0d21cd7b5eccd51df318d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] 1eca1fa9dc931535432abf5a7cba5932a0e01bc5f2d5b19541147fab77653a42
[INFO] running `Command { std: "docker" "start" "-a" "1eca1fa9dc931535432abf5a7cba5932a0e01bc5f2d5b19541147fab77653a42", kill_on_drop: false }`
[INFO] [stderr]    Compiling toy-runner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     { RawWakerVTable::new(raw_clone, raw_wake, raw_wake_by_ref, raw_drop) };
[INFO] [stdout]    |     ^^                                                                   ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 36 -     { RawWakerVTable::new(raw_clone, raw_wake, raw_wake_by_ref, raw_drop) };
[INFO] [stdout] 36 +     RawWakerVTable::new(raw_clone, raw_wake, raw_wake_by_ref, raw_drop);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "1eca1fa9dc931535432abf5a7cba5932a0e01bc5f2d5b19541147fab77653a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eca1fa9dc931535432abf5a7cba5932a0e01bc5f2d5b19541147fab77653a42", kill_on_drop: false }`
[INFO] [stdout] 1eca1fa9dc931535432abf5a7cba5932a0e01bc5f2d5b19541147fab77653a42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] 7be14c268ca30e0ccde4fa6337db9b0673dc65ab3db433a405dc0123558f7ac6
[INFO] running `Command { std: "docker" "start" "-a" "7be14c268ca30e0ccde4fa6337db9b0673dc65ab3db433a405dc0123558f7ac6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> src/main.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     { RawWakerVTable::new(raw_clone, raw_wake, raw_wake_by_ref, raw_drop) };
[INFO] [stderr]    |     ^^                                                                   ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 36 -     { RawWakerVTable::new(raw_clone, raw_wake, raw_wake_by_ref, raw_drop) };
[INFO] [stderr] 36 +     RawWakerVTable::new(raw_clone, raw_wake, raw_wake_by_ref, raw_drop);
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `toy-runner` (bin "toy-runner" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.51s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/toy_runner-7cfd829ccc566ade)
[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" "7be14c268ca30e0ccde4fa6337db9b0673dc65ab3db433a405dc0123558f7ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be14c268ca30e0ccde4fa6337db9b0673dc65ab3db433a405dc0123558f7ac6", kill_on_drop: false }`
[INFO] [stdout] 7be14c268ca30e0ccde4fa6337db9b0673dc65ab3db433a405dc0123558f7ac6