[INFO] fetching crate walk 0.0.0...
[INFO] testing walk-0.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate walk 0.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate walk 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 walk 0.0.0
[INFO] finished tweaking crates.io crate walk 0.0.0
[INFO] tweaked toml for crates.io crate walk 0.0.0 written to /workspace/builds/worker-8/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 481739a5cf0688dadbfdc2b626db39c2ae819a07b184cbde0425b117960229cc
[INFO] running `Command { std: "docker" "start" "-a" "481739a5cf0688dadbfdc2b626db39c2ae819a07b184cbde0425b117960229cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "481739a5cf0688dadbfdc2b626db39c2ae819a07b184cbde0425b117960229cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "481739a5cf0688dadbfdc2b626db39c2ae819a07b184cbde0425b117960229cc", kill_on_drop: false }`
[INFO] [stdout] 481739a5cf0688dadbfdc2b626db39c2ae819a07b184cbde0425b117960229cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 51db5b0f0db865c5afabb2e60e7586a6cab1498f115f9f6760814918ca4f88c4
[INFO] running `Command { std: "docker" "start" "-a" "51db5b0f0db865c5afabb2e60e7586a6cab1498f115f9f6760814918ca4f88c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling walk v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "51db5b0f0db865c5afabb2e60e7586a6cab1498f115f9f6760814918ca4f88c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51db5b0f0db865c5afabb2e60e7586a6cab1498f115f9f6760814918ca4f88c4", kill_on_drop: false }`
[INFO] [stdout] 51db5b0f0db865c5afabb2e60e7586a6cab1498f115f9f6760814918ca4f88c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] cfe5837371c59f51fe78cca1ad51831aeb91e17f6a3cb5ae7e532f6d19134c5b
[INFO] running `Command { std: "docker" "start" "-a" "cfe5837371c59f51fe78cca1ad51831aeb91e17f6a3cb5ae7e532f6d19134c5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling walk v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/walk-6a8d82cd550884b1)
[INFO] running `Command { std: "docker" "inspect" "cfe5837371c59f51fe78cca1ad51831aeb91e17f6a3cb5ae7e532f6d19134c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfe5837371c59f51fe78cca1ad51831aeb91e17f6a3cb5ae7e532f6d19134c5b", kill_on_drop: false }`
[INFO] [stdout] cfe5837371c59f51fe78cca1ad51831aeb91e17f6a3cb5ae7e532f6d19134c5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 54233c4d5ba8ed3f2fda84017d73a903b2637fd06dbf237d68d0bbb5da21d121
[INFO] running `Command { std: "docker" "start" "-a" "54233c4d5ba8ed3f2fda84017d73a903b2637fd06dbf237d68d0bbb5da21d121", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/walk-6a8d82cd550884b1)
[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 walk
[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" "54233c4d5ba8ed3f2fda84017d73a903b2637fd06dbf237d68d0bbb5da21d121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54233c4d5ba8ed3f2fda84017d73a903b2637fd06dbf237d68d0bbb5da21d121", kill_on_drop: false }`
[INFO] [stdout] 54233c4d5ba8ed3f2fda84017d73a903b2637fd06dbf237d68d0bbb5da21d121