[INFO] fetching crate msrv 0.0.0...
[INFO] testing msrv-0.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate msrv 0.0.0 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate msrv 0.0.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate msrv 0.0.0
[INFO] finished tweaking crates.io crate msrv 0.0.0
[INFO] tweaked toml for crates.io crate msrv 0.0.0 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a46f586dfcd62f90041ac7d653ed3e4597d6004edc3797b9c72a74156723030e
[INFO] running `Command { std: "docker" "start" "-a" "a46f586dfcd62f90041ac7d653ed3e4597d6004edc3797b9c72a74156723030e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a46f586dfcd62f90041ac7d653ed3e4597d6004edc3797b9c72a74156723030e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a46f586dfcd62f90041ac7d653ed3e4597d6004edc3797b9c72a74156723030e", kill_on_drop: false }`
[INFO] [stdout] a46f586dfcd62f90041ac7d653ed3e4597d6004edc3797b9c72a74156723030e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f49eb471a6cd9268679d970f407263f4746921659fca2b8b4f23b7ee883a0d3
[INFO] running `Command { std: "docker" "start" "-a" "2f49eb471a6cd9268679d970f407263f4746921659fca2b8b4f23b7ee883a0d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling msrv v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "2f49eb471a6cd9268679d970f407263f4746921659fca2b8b4f23b7ee883a0d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f49eb471a6cd9268679d970f407263f4746921659fca2b8b4f23b7ee883a0d3", kill_on_drop: false }`
[INFO] [stdout] 2f49eb471a6cd9268679d970f407263f4746921659fca2b8b4f23b7ee883a0d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0fb1f725dfc76b3828df5ab41ad6449edd568eacab9021beca0be82dd6da604
[INFO] running `Command { std: "docker" "start" "-a" "a0fb1f725dfc76b3828df5ab41ad6449edd568eacab9021beca0be82dd6da604", kill_on_drop: false }`
[INFO] [stderr]    Compiling msrv v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "a0fb1f725dfc76b3828df5ab41ad6449edd568eacab9021beca0be82dd6da604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0fb1f725dfc76b3828df5ab41ad6449edd568eacab9021beca0be82dd6da604", kill_on_drop: false }`
[INFO] [stdout] a0fb1f725dfc76b3828df5ab41ad6449edd568eacab9021beca0be82dd6da604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bd7518a1b9be38a6c5d0c01c34e8105d63ad79b0afe69ceb8e2a7192a4653cc0
[INFO] running `Command { std: "docker" "start" "-a" "bd7518a1b9be38a6c5d0c01c34e8105d63ad79b0afe69ceb8e2a7192a4653cc0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/msrv-03a095653d02c4c3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests msrv
[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" "bd7518a1b9be38a6c5d0c01c34e8105d63ad79b0afe69ceb8e2a7192a4653cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd7518a1b9be38a6c5d0c01c34e8105d63ad79b0afe69ceb8e2a7192a4653cc0", kill_on_drop: false }`
[INFO] [stdout] bd7518a1b9be38a6c5d0c01c34e8105d63ad79b0afe69ceb8e2a7192a4653cc0