[INFO] fetching crate rust_mvc 0.1.1...
[INFO] testing rust_mvc-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rust_mvc 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rust_mvc 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_mvc 0.1.1
[INFO] finished tweaking crates.io crate rust_mvc 0.1.1
[INFO] tweaked toml for crates.io crate rust_mvc 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c9335a25de0c31c60b30480ba369edb00493025cdc46440fffed9f23a22b920
[INFO] running `Command { std: "docker" "start" "-a" "5c9335a25de0c31c60b30480ba369edb00493025cdc46440fffed9f23a22b920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c9335a25de0c31c60b30480ba369edb00493025cdc46440fffed9f23a22b920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c9335a25de0c31c60b30480ba369edb00493025cdc46440fffed9f23a22b920", kill_on_drop: false }`
[INFO] [stdout] 5c9335a25de0c31c60b30480ba369edb00493025cdc46440fffed9f23a22b920
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1a44080aa4b73ea716f29dde260e537f32d74e90ad823f71dc7637cb9e5f267
[INFO] running `Command { std: "docker" "start" "-a" "c1a44080aa4b73ea716f29dde260e537f32d74e90ad823f71dc7637cb9e5f267", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_mvc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "c1a44080aa4b73ea716f29dde260e537f32d74e90ad823f71dc7637cb9e5f267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1a44080aa4b73ea716f29dde260e537f32d74e90ad823f71dc7637cb9e5f267", kill_on_drop: false }`
[INFO] [stdout] c1a44080aa4b73ea716f29dde260e537f32d74e90ad823f71dc7637cb9e5f267
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a92a01d52983d5dbc4de126b0c8deff5f43f04bbe251d5a58cc3a972fdcf33b0
[INFO] running `Command { std: "docker" "start" "-a" "a92a01d52983d5dbc4de126b0c8deff5f43f04bbe251d5a58cc3a972fdcf33b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_mvc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "a92a01d52983d5dbc4de126b0c8deff5f43f04bbe251d5a58cc3a972fdcf33b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a92a01d52983d5dbc4de126b0c8deff5f43f04bbe251d5a58cc3a972fdcf33b0", kill_on_drop: false }`
[INFO] [stdout] a92a01d52983d5dbc4de126b0c8deff5f43f04bbe251d5a58cc3a972fdcf33b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 676429f4a47a29789b4d7e33866e2f4045d3a888d16851729c85b0d6929d3507
[INFO] running `Command { std: "docker" "start" "-a" "676429f4a47a29789b4d7e33866e2f4045d3a888d16851729c85b0d6929d3507", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_mvc-4d6805e427fe2a48)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_mvc
[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] [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" "676429f4a47a29789b4d7e33866e2f4045d3a888d16851729c85b0d6929d3507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "676429f4a47a29789b4d7e33866e2f4045d3a888d16851729c85b0d6929d3507", kill_on_drop: false }`
[INFO] [stdout] 676429f4a47a29789b4d7e33866e2f4045d3a888d16851729c85b0d6929d3507