[INFO] fetching crate lendable_mutex 0.3.2...
[INFO] testing lendable_mutex-0.3.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate lendable_mutex 0.3.2 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate lendable_mutex 0.3.2 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 lendable_mutex 0.3.2
[INFO] finished tweaking crates.io crate lendable_mutex 0.3.2
[INFO] tweaked toml for crates.io crate lendable_mutex 0.3.2 written to /workspace/builds/worker-38/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 3813deb99d75253168c14aa0256de8400ed45d1da694000265795b11ba4322ef
[INFO] running `Command { std: "docker" "start" "-a" "3813deb99d75253168c14aa0256de8400ed45d1da694000265795b11ba4322ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3813deb99d75253168c14aa0256de8400ed45d1da694000265795b11ba4322ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3813deb99d75253168c14aa0256de8400ed45d1da694000265795b11ba4322ef", kill_on_drop: false }`
[INFO] [stdout] 3813deb99d75253168c14aa0256de8400ed45d1da694000265795b11ba4322ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 95bd8a52585eb3f8aa6db7b5cd50dc7d42716f33508257ff370e287987e0435a
[INFO] running `Command { std: "docker" "start" "-a" "95bd8a52585eb3f8aa6db7b5cd50dc7d42716f33508257ff370e287987e0435a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling defer v0.1.0
[INFO] [stderr]    Compiling lendable_mutex v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `Command { std: "docker" "inspect" "95bd8a52585eb3f8aa6db7b5cd50dc7d42716f33508257ff370e287987e0435a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95bd8a52585eb3f8aa6db7b5cd50dc7d42716f33508257ff370e287987e0435a", kill_on_drop: false }`
[INFO] [stdout] 95bd8a52585eb3f8aa6db7b5cd50dc7d42716f33508257ff370e287987e0435a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] a66b4e050c456162be1826fe058dbd43d8110b2dabcd1a351915e51e39c808a4
[INFO] running `Command { std: "docker" "start" "-a" "a66b4e050c456162be1826fe058dbd43d8110b2dabcd1a351915e51e39c808a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling lendable_mutex v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 27.45s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/lendable_mutex-aa03472977282c90)
[INFO] running `Command { std: "docker" "inspect" "a66b4e050c456162be1826fe058dbd43d8110b2dabcd1a351915e51e39c808a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a66b4e050c456162be1826fe058dbd43d8110b2dabcd1a351915e51e39c808a4", kill_on_drop: false }`
[INFO] [stdout] a66b4e050c456162be1826fe058dbd43d8110b2dabcd1a351915e51e39c808a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 28d3bd98986693efca690f0a71b473d5101580b758b67ad713425e167c4c3cbf
[INFO] running `Command { std: "docker" "start" "-a" "28d3bd98986693efca690f0a71b473d5101580b758b67ad713425e167c4c3cbf", 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/lendable_mutex-aa03472977282c90)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::basic_mutex ... ok
[INFO] [stdout] test tests::stays_locked ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lendable_mutex
[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" "28d3bd98986693efca690f0a71b473d5101580b758b67ad713425e167c4c3cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d3bd98986693efca690f0a71b473d5101580b758b67ad713425e167c4c3cbf", kill_on_drop: false }`
[INFO] [stdout] 28d3bd98986693efca690f0a71b473d5101580b758b67ad713425e167c4c3cbf