[INFO] fetching crate mandrel 0.1.0...
[INFO] testing mandrel-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mandrel 0.1.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate mandrel 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mandrel 0.1.0
[INFO] finished tweaking crates.io crate mandrel 0.1.0
[INFO] tweaked toml for crates.io crate mandrel 0.1.0 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0158016f111a645196d9c770486958b8182c261ef2b46b4904e75a47403b182c
[INFO] running `Command { std: "docker" "start" "-a" "0158016f111a645196d9c770486958b8182c261ef2b46b4904e75a47403b182c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0158016f111a645196d9c770486958b8182c261ef2b46b4904e75a47403b182c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0158016f111a645196d9c770486958b8182c261ef2b46b4904e75a47403b182c", kill_on_drop: false }`
[INFO] [stdout] 0158016f111a645196d9c770486958b8182c261ef2b46b4904e75a47403b182c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebe157ba31569c7217d6a6e0d57867d8b0bdf50209f09f8e40bac887a74b22d8
[INFO] running `Command { std: "docker" "start" "-a" "ebe157ba31569c7217d6a6e0d57867d8b0bdf50209f09f8e40bac887a74b22d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mandrel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "ebe157ba31569c7217d6a6e0d57867d8b0bdf50209f09f8e40bac887a74b22d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe157ba31569c7217d6a6e0d57867d8b0bdf50209f09f8e40bac887a74b22d8", kill_on_drop: false }`
[INFO] [stdout] ebe157ba31569c7217d6a6e0d57867d8b0bdf50209f09f8e40bac887a74b22d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad8b5531711ceef9f0ecc3b60b199ab458b1e6ec81df426bb2c0874b0e0f21f2
[INFO] running `Command { std: "docker" "start" "-a" "ad8b5531711ceef9f0ecc3b60b199ab458b1e6ec81df426bb2c0874b0e0f21f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mandrel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/mandrel-544e702ff877fad6)
[INFO] running `Command { std: "docker" "inspect" "ad8b5531711ceef9f0ecc3b60b199ab458b1e6ec81df426bb2c0874b0e0f21f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad8b5531711ceef9f0ecc3b60b199ab458b1e6ec81df426bb2c0874b0e0f21f2", kill_on_drop: false }`
[INFO] [stdout] ad8b5531711ceef9f0ecc3b60b199ab458b1e6ec81df426bb2c0874b0e0f21f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96493dfa36412432024516098ccdf838087c23cbc54ac93d02ec107c0b3095cf
[INFO] running `Command { std: "docker" "start" "-a" "96493dfa36412432024516098ccdf838087c23cbc54ac93d02ec107c0b3095cf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mandrel-544e702ff877fad6)
[INFO] [stderr]    Doc-tests mandrel
[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 0.07s
[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" "96493dfa36412432024516098ccdf838087c23cbc54ac93d02ec107c0b3095cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96493dfa36412432024516098ccdf838087c23cbc54ac93d02ec107c0b3095cf", kill_on_drop: false }`
[INFO] [stdout] 96493dfa36412432024516098ccdf838087c23cbc54ac93d02ec107c0b3095cf