[INFO] fetching crate metrics-rs 0.0.0...
[INFO] testing metrics-rs-0.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate metrics-rs 0.0.0 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate metrics-rs 0.0.0 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 metrics-rs 0.0.0
[INFO] finished tweaking crates.io crate metrics-rs 0.0.0
[INFO] tweaked toml for crates.io crate metrics-rs 0.0.0 written to /workspace/builds/worker-26/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] f9274f2455bf5f8ce83148533125d57e3ba5e306b63698c90878a47e3aed6bd3
[INFO] running `Command { std: "docker" "start" "-a" "f9274f2455bf5f8ce83148533125d57e3ba5e306b63698c90878a47e3aed6bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9274f2455bf5f8ce83148533125d57e3ba5e306b63698c90878a47e3aed6bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9274f2455bf5f8ce83148533125d57e3ba5e306b63698c90878a47e3aed6bd3", kill_on_drop: false }`
[INFO] [stdout] f9274f2455bf5f8ce83148533125d57e3ba5e306b63698c90878a47e3aed6bd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 14fd8c03cd6a7a1027dd6b1cc3ab4d6b92513f9fb680b0d0aaa0d41e8c43f3a9
[INFO] running `Command { std: "docker" "start" "-a" "14fd8c03cd6a7a1027dd6b1cc3ab4d6b92513f9fb680b0d0aaa0d41e8c43f3a9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling metrics-rs v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "14fd8c03cd6a7a1027dd6b1cc3ab4d6b92513f9fb680b0d0aaa0d41e8c43f3a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14fd8c03cd6a7a1027dd6b1cc3ab4d6b92513f9fb680b0d0aaa0d41e8c43f3a9", kill_on_drop: false }`
[INFO] [stdout] 14fd8c03cd6a7a1027dd6b1cc3ab4d6b92513f9fb680b0d0aaa0d41e8c43f3a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] ca9a897ca6c52c8417b635384b6545c99abcb86eb854fd05d698c70b294c0125
[INFO] running `Command { std: "docker" "start" "-a" "ca9a897ca6c52c8417b635384b6545c99abcb86eb854fd05d698c70b294c0125", kill_on_drop: false }`
[INFO] [stderr]    Compiling metrics-rs v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/metrics_rs-319ad6bd4c2b4046)
[INFO] running `Command { std: "docker" "inspect" "ca9a897ca6c52c8417b635384b6545c99abcb86eb854fd05d698c70b294c0125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca9a897ca6c52c8417b635384b6545c99abcb86eb854fd05d698c70b294c0125", kill_on_drop: false }`
[INFO] [stdout] ca9a897ca6c52c8417b635384b6545c99abcb86eb854fd05d698c70b294c0125
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 25ac4a5d3f9657e509a53a7e99c705d790bd728566cc18fe0c77cdda68672f9d
[INFO] running `Command { std: "docker" "start" "-a" "25ac4a5d3f9657e509a53a7e99c705d790bd728566cc18fe0c77cdda68672f9d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metrics_rs-319ad6bd4c2b4046)
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests metrics-rs
[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" "25ac4a5d3f9657e509a53a7e99c705d790bd728566cc18fe0c77cdda68672f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ac4a5d3f9657e509a53a7e99c705d790bd728566cc18fe0c77cdda68672f9d", kill_on_drop: false }`
[INFO] [stdout] 25ac4a5d3f9657e509a53a7e99c705d790bd728566cc18fe0c77cdda68672f9d