[INFO] fetching crate prefix_string 1.0.0...
[INFO] testing prefix_string-1.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate prefix_string 1.0.0 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate prefix_string 1.0.0 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 prefix_string 1.0.0
[INFO] finished tweaking crates.io crate prefix_string 1.0.0
[INFO] tweaked toml for crates.io crate prefix_string 1.0.0 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate crates.io crate prefix_string 1.0.0 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 05a3d2559af60f099bef2b388541003c2cd1e182eb22ccb2e02c5b1480c547b4
[INFO] running `Command { std: "docker" "start" "-a" "05a3d2559af60f099bef2b388541003c2cd1e182eb22ccb2e02c5b1480c547b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05a3d2559af60f099bef2b388541003c2cd1e182eb22ccb2e02c5b1480c547b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05a3d2559af60f099bef2b388541003c2cd1e182eb22ccb2e02c5b1480c547b4", kill_on_drop: false }`
[INFO] [stdout] 05a3d2559af60f099bef2b388541003c2cd1e182eb22ccb2e02c5b1480c547b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 9d83598630d059f9287f5d6202fab6f4776bc3828dab2c675797ed1f06075990
[INFO] running `Command { std: "docker" "start" "-a" "9d83598630d059f9287f5d6202fab6f4776bc3828dab2c675797ed1f06075990", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling prefix_string v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.29s
[INFO] running `Command { std: "docker" "inspect" "9d83598630d059f9287f5d6202fab6f4776bc3828dab2c675797ed1f06075990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d83598630d059f9287f5d6202fab6f4776bc3828dab2c675797ed1f06075990", kill_on_drop: false }`
[INFO] [stdout] 9d83598630d059f9287f5d6202fab6f4776bc3828dab2c675797ed1f06075990
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] abd42c900c77e481e856485c3c8a33a55bb0dfd79f27e9073e446106776b3b79
[INFO] running `Command { std: "docker" "start" "-a" "abd42c900c77e481e856485c3c8a33a55bb0dfd79f27e9073e446106776b3b79", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefix_string v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/prefix_string-5d50266ed85839e5)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/prefix_string-b9b8cd4692ac7417)
[INFO] running `Command { std: "docker" "inspect" "abd42c900c77e481e856485c3c8a33a55bb0dfd79f27e9073e446106776b3b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abd42c900c77e481e856485c3c8a33a55bb0dfd79f27e9073e446106776b3b79", kill_on_drop: false }`
[INFO] [stdout] abd42c900c77e481e856485c3c8a33a55bb0dfd79f27e9073e446106776b3b79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 5bb5c75bb356d9513833ffdbddde7aa125cb9123f12dfd63da25f2761ddd0b2c
[INFO] running `Command { std: "docker" "start" "-a" "5bb5c75bb356d9513833ffdbddde7aa125cb9123f12dfd63da25f2761ddd0b2c", 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/prefix_string-5d50266ed85839e5)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test already_prefixed ... ok
[INFO] [stdout] test regular_usage ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/prefix_string-b9b8cd4692ac7417)
[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] [stderr]    Doc-tests prefix_string
[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" "5bb5c75bb356d9513833ffdbddde7aa125cb9123f12dfd63da25f2761ddd0b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bb5c75bb356d9513833ffdbddde7aa125cb9123f12dfd63da25f2761ddd0b2c", kill_on_drop: false }`
[INFO] [stdout] 5bb5c75bb356d9513833ffdbddde7aa125cb9123f12dfd63da25f2761ddd0b2c