[INFO] fetching crate magneto 0.0.0...
[INFO] testing magneto-0.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate magneto 0.0.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate magneto 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 magneto 0.0.0
[INFO] finished tweaking crates.io crate magneto 0.0.0
[INFO] tweaked toml for crates.io crate magneto 0.0.0 written to /workspace/builds/worker-23/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] [stderr]     Blocking waiting for file lock on package cache
[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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] b618a90f2a83df4398fad0ddc7ad6cbdce7a74994a631ebf7bd9473d529d886b
[INFO] running `Command { std: "docker" "start" "-a" "b618a90f2a83df4398fad0ddc7ad6cbdce7a74994a631ebf7bd9473d529d886b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b618a90f2a83df4398fad0ddc7ad6cbdce7a74994a631ebf7bd9473d529d886b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b618a90f2a83df4398fad0ddc7ad6cbdce7a74994a631ebf7bd9473d529d886b", kill_on_drop: false }`
[INFO] [stdout] b618a90f2a83df4398fad0ddc7ad6cbdce7a74994a631ebf7bd9473d529d886b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 578685dec75e6d4de56f7baec033fce8cd49bd3fbd5f62292ca0b8555e022b49
[INFO] running `Command { std: "docker" "start" "-a" "578685dec75e6d4de56f7baec033fce8cd49bd3fbd5f62292ca0b8555e022b49", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling magneto v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "578685dec75e6d4de56f7baec033fce8cd49bd3fbd5f62292ca0b8555e022b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "578685dec75e6d4de56f7baec033fce8cd49bd3fbd5f62292ca0b8555e022b49", kill_on_drop: false }`
[INFO] [stdout] 578685dec75e6d4de56f7baec033fce8cd49bd3fbd5f62292ca0b8555e022b49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] ba4f8d6199d09445ca2a5fa2456cff50a7a5e4036195518ffd8f011a0a8612ba
[INFO] running `Command { std: "docker" "start" "-a" "ba4f8d6199d09445ca2a5fa2456cff50a7a5e4036195518ffd8f011a0a8612ba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling magneto v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/magneto-f79fe663a68c979f)
[INFO] running `Command { std: "docker" "inspect" "ba4f8d6199d09445ca2a5fa2456cff50a7a5e4036195518ffd8f011a0a8612ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba4f8d6199d09445ca2a5fa2456cff50a7a5e4036195518ffd8f011a0a8612ba", kill_on_drop: false }`
[INFO] [stdout] ba4f8d6199d09445ca2a5fa2456cff50a7a5e4036195518ffd8f011a0a8612ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 0ec45482a4bd65dd2bf149da4219596cf5c5cca23ff7b7ff7650ff6f5e4fb43c
[INFO] running `Command { std: "docker" "start" "-a" "0ec45482a4bd65dd2bf149da4219596cf5c5cca23ff7b7ff7650ff6f5e4fb43c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.76s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/magneto-f79fe663a68c979f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests magneto
[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] [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" "0ec45482a4bd65dd2bf149da4219596cf5c5cca23ff7b7ff7650ff6f5e4fb43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ec45482a4bd65dd2bf149da4219596cf5c5cca23ff7b7ff7650ff6f5e4fb43c", kill_on_drop: false }`
[INFO] [stdout] 0ec45482a4bd65dd2bf149da4219596cf5c5cca23ff7b7ff7650ff6f5e4fb43c