[INFO] fetching crate F921 0.1.0...
[INFO] testing F921-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate F921 0.1.0 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate F921 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate F921 0.1.0
[INFO] finished tweaking crates.io crate F921 0.1.0
[INFO] tweaked toml for crates.io crate F921 0.1.0 written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate crates.io crate F921 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a88e76409fa8dc64a2cc4d1dd4fe3392f08368f02a74b5b449ec0c90730dcac
[INFO] running `Command { std: "docker" "start" "-a" "8a88e76409fa8dc64a2cc4d1dd4fe3392f08368f02a74b5b449ec0c90730dcac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a88e76409fa8dc64a2cc4d1dd4fe3392f08368f02a74b5b449ec0c90730dcac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a88e76409fa8dc64a2cc4d1dd4fe3392f08368f02a74b5b449ec0c90730dcac", kill_on_drop: false }`
[INFO] [stdout] 8a88e76409fa8dc64a2cc4d1dd4fe3392f08368f02a74b5b449ec0c90730dcac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5c6f974946a27e39901ff2cfab281b00fd0226c14965099e8fab90c99776d65
[INFO] running `Command { std: "docker" "start" "-a" "a5c6f974946a27e39901ff2cfab281b00fd0226c14965099e8fab90c99776d65", kill_on_drop: false }`
[INFO] [stderr]    Compiling F921 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `F921` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `f921`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "a5c6f974946a27e39901ff2cfab281b00fd0226c14965099e8fab90c99776d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5c6f974946a27e39901ff2cfab281b00fd0226c14965099e8fab90c99776d65", kill_on_drop: false }`
[INFO] [stdout] a5c6f974946a27e39901ff2cfab281b00fd0226c14965099e8fab90c99776d65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f895ed3b2dd398756024b5f8e3f47a7b6219c48eca14f329429c05bb92a7c1d
[INFO] running `Command { std: "docker" "start" "-a" "5f895ed3b2dd398756024b5f8e3f47a7b6219c48eca14f329429c05bb92a7c1d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling F921 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `F921` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `f921`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "5f895ed3b2dd398756024b5f8e3f47a7b6219c48eca14f329429c05bb92a7c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f895ed3b2dd398756024b5f8e3f47a7b6219c48eca14f329429c05bb92a7c1d", kill_on_drop: false }`
[INFO] [stdout] 5f895ed3b2dd398756024b5f8e3f47a7b6219c48eca14f329429c05bb92a7c1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9aaf1b06fb543c6b1803ee948fcd40f1dadc93c13599609e287b389c2ec7463a
[INFO] running `Command { std: "docker" "start" "-a" "9aaf1b06fb543c6b1803ee948fcd40f1dadc93c13599609e287b389c2ec7463a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: crate `F921` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `f921`
[INFO] [stderr] 
[INFO] [stderr] warning: `F921` (bin "F921" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/F921-4ab4d37c78649986)
[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" "9aaf1b06fb543c6b1803ee948fcd40f1dadc93c13599609e287b389c2ec7463a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aaf1b06fb543c6b1803ee948fcd40f1dadc93c13599609e287b389c2ec7463a", kill_on_drop: false }`
[INFO] [stdout] 9aaf1b06fb543c6b1803ee948fcd40f1dadc93c13599609e287b389c2ec7463a