[INFO] fetching crate yarner-lib 0.6.0...
[INFO] testing yarner-lib-0.6.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate yarner-lib 0.6.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate yarner-lib 0.6.0 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 yarner-lib 0.6.0
[INFO] finished tweaking crates.io crate yarner-lib 0.6.0
[INFO] tweaked toml for crates.io crate yarner-lib 0.6.0 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d0ea2b1ffacaa742b98de8e877f35a7cd85b787bd61937109b6b093370b58f2b
[INFO] running `Command { std: "docker" "start" "-a" "d0ea2b1ffacaa742b98de8e877f35a7cd85b787bd61937109b6b093370b58f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0ea2b1ffacaa742b98de8e877f35a7cd85b787bd61937109b6b093370b58f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0ea2b1ffacaa742b98de8e877f35a7cd85b787bd61937109b6b093370b58f2b", kill_on_drop: false }`
[INFO] [stdout] d0ea2b1ffacaa742b98de8e877f35a7cd85b787bd61937109b6b093370b58f2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 6c47163a652d61d060ec05516e6519ab8ea97e797230b0fa5adb2b91bbdc8b4c
[INFO] running `Command { std: "docker" "start" "-a" "6c47163a652d61d060ec05516e6519ab8ea97e797230b0fa5adb2b91bbdc8b4c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling yarner-lib v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.73s
[INFO] running `Command { std: "docker" "inspect" "6c47163a652d61d060ec05516e6519ab8ea97e797230b0fa5adb2b91bbdc8b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c47163a652d61d060ec05516e6519ab8ea97e797230b0fa5adb2b91bbdc8b4c", kill_on_drop: false }`
[INFO] [stdout] 6c47163a652d61d060ec05516e6519ab8ea97e797230b0fa5adb2b91bbdc8b4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 7d2dc89277e247d0daec70d2b8dfdca1fd4412efd65f91d5db138d330f195b7b
[INFO] running `Command { std: "docker" "start" "-a" "7d2dc89277e247d0daec70d2b8dfdca1fd4412efd65f91d5db138d330f195b7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling yarner-lib v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/yarner_lib-f5bd43367a564c5b)
[INFO] running `Command { std: "docker" "inspect" "7d2dc89277e247d0daec70d2b8dfdca1fd4412efd65f91d5db138d330f195b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d2dc89277e247d0daec70d2b8dfdca1fd4412efd65f91d5db138d330f195b7b", kill_on_drop: false }`
[INFO] [stdout] 7d2dc89277e247d0daec70d2b8dfdca1fd4412efd65f91d5db138d330f195b7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f2b2a73f934687b9e3317fe7b3bc46783979a27b4ac2809fa4dcea6382f5e858
[INFO] running `Command { std: "docker" "start" "-a" "f2b2a73f934687b9e3317fe7b3bc46783979a27b4ac2809fa4dcea6382f5e858", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/yarner_lib-f5bd43367a564c5b)
[INFO] [stderr]    Doc-tests yarner-lib
[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] [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" "f2b2a73f934687b9e3317fe7b3bc46783979a27b4ac2809fa4dcea6382f5e858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b2a73f934687b9e3317fe7b3bc46783979a27b4ac2809fa4dcea6382f5e858", kill_on_drop: false }`
[INFO] [stdout] f2b2a73f934687b9e3317fe7b3bc46783979a27b4ac2809fa4dcea6382f5e858