[INFO] fetching crate mut-rc 0.1.3...
[INFO] testing mut-rc-0.1.3 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mut-rc 0.1.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate mut-rc 0.1.3
[INFO] finished tweaking crates.io crate mut-rc 0.1.3
[INFO] tweaked toml for crates.io crate mut-rc 0.1.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mut-rc 0.1.3 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbe40276ab081c1933b9352aa7532057e26cc95ab166650f0fddbc27321879ad
[INFO] running `Command { std: "docker" "start" "-a" "dbe40276ab081c1933b9352aa7532057e26cc95ab166650f0fddbc27321879ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbe40276ab081c1933b9352aa7532057e26cc95ab166650f0fddbc27321879ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe40276ab081c1933b9352aa7532057e26cc95ab166650f0fddbc27321879ad", kill_on_drop: false }`
[INFO] [stdout] dbe40276ab081c1933b9352aa7532057e26cc95ab166650f0fddbc27321879ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da8b79288986dd987d8734e6d060d0fc644fd91eb94ea388c0ff603f7b05d0b4
[INFO] running `Command { std: "docker" "start" "-a" "da8b79288986dd987d8734e6d060d0fc644fd91eb94ea388c0ff603f7b05d0b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling mut-rc v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "da8b79288986dd987d8734e6d060d0fc644fd91eb94ea388c0ff603f7b05d0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da8b79288986dd987d8734e6d060d0fc644fd91eb94ea388c0ff603f7b05d0b4", kill_on_drop: false }`
[INFO] [stdout] da8b79288986dd987d8734e6d060d0fc644fd91eb94ea388c0ff603f7b05d0b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a450111df0c036b0c961f87a696b53bf7976d44af865589e0f16d77e68462f9
[INFO] running `Command { std: "docker" "start" "-a" "2a450111df0c036b0c961f87a696b53bf7976d44af865589e0f16d77e68462f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling mut-rc v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "2a450111df0c036b0c961f87a696b53bf7976d44af865589e0f16d77e68462f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a450111df0c036b0c961f87a696b53bf7976d44af865589e0f16d77e68462f9", kill_on_drop: false }`
[INFO] [stdout] 2a450111df0c036b0c961f87a696b53bf7976d44af865589e0f16d77e68462f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 04642b102c5ab6c0ff80f047a8aed07970878587f682b26c3e0c64934ca1d891
[INFO] running `Command { std: "docker" "start" "-a" "04642b102c5ab6c0ff80f047a8aed07970878587f682b26c3e0c64934ca1d891", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mut_rc-5d9b105b4d1313e1)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_basic ... ok
[INFO] [stdout] test test_traits ... ok
[INFO] [stdout] test test_weak ... ok
[INFO] [stdout] test test_extra ... ok
[INFO] [stderr]    Doc-tests mut_rc
[INFO] [stdout] test test_weak_traits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "04642b102c5ab6c0ff80f047a8aed07970878587f682b26c3e0c64934ca1d891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04642b102c5ab6c0ff80f047a8aed07970878587f682b26c3e0c64934ca1d891", kill_on_drop: false }`
[INFO] [stdout] 04642b102c5ab6c0ff80f047a8aed07970878587f682b26c3e0c64934ca1d891