[INFO] fetching crate test-mueQu9Oz 0.1.1...
[INFO] testing test-mueQu9Oz-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate test-mueQu9Oz 0.1.1 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate test-mueQu9Oz 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate test-mueQu9Oz 0.1.1
[INFO] finished tweaking crates.io crate test-mueQu9Oz 0.1.1
[INFO] tweaked toml for crates.io crate test-mueQu9Oz 0.1.1 written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] crate crates.io crate test-mueQu9Oz 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0d38c638ed00af512d118edea7df07e8747ae3a6ef44d50aaf57da8bc52bc09
[INFO] running `Command { std: "docker" "start" "-a" "f0d38c638ed00af512d118edea7df07e8747ae3a6ef44d50aaf57da8bc52bc09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0d38c638ed00af512d118edea7df07e8747ae3a6ef44d50aaf57da8bc52bc09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d38c638ed00af512d118edea7df07e8747ae3a6ef44d50aaf57da8bc52bc09", kill_on_drop: false }`
[INFO] [stdout] f0d38c638ed00af512d118edea7df07e8747ae3a6ef44d50aaf57da8bc52bc09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7240cf86ecb1043847fb02168706f17ea1232e53ab14d20d5544bb234c7ea37f
[INFO] running `Command { std: "docker" "start" "-a" "7240cf86ecb1043847fb02168706f17ea1232e53ab14d20d5544bb234c7ea37f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling try_from v0.2.2
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling oracle v0.3.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.5
[INFO] [stderr]    Compiling r2d2 v0.8.9
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling test-mueQu9Oz v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `test_mueQu9Oz` 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: `test_mue_qu9_oz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.06s
[INFO] running `Command { std: "docker" "inspect" "7240cf86ecb1043847fb02168706f17ea1232e53ab14d20d5544bb234c7ea37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7240cf86ecb1043847fb02168706f17ea1232e53ab14d20d5544bb234c7ea37f", kill_on_drop: false }`
[INFO] [stdout] 7240cf86ecb1043847fb02168706f17ea1232e53ab14d20d5544bb234c7ea37f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54b31f0412bd73afb89bcdb4e12ec3b970191252450e013725443b37cded7b54
[INFO] running `Command { std: "docker" "start" "-a" "54b31f0412bd73afb89bcdb4e12ec3b970191252450e013725443b37cded7b54", kill_on_drop: false }`
[INFO] [stderr]    Compiling test-mueQu9Oz v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `test_mueQu9Oz` 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: `test_mue_qu9_oz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "54b31f0412bd73afb89bcdb4e12ec3b970191252450e013725443b37cded7b54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b31f0412bd73afb89bcdb4e12ec3b970191252450e013725443b37cded7b54", kill_on_drop: false }`
[INFO] [stdout] 54b31f0412bd73afb89bcdb4e12ec3b970191252450e013725443b37cded7b54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 90091a59d82bf087dc69d5b2b5893ce97bd1d9e91873c7b3854e62ed3efb0cf1
[INFO] running `Command { std: "docker" "start" "-a" "90091a59d82bf087dc69d5b2b5893ce97bd1d9e91873c7b3854e62ed3efb0cf1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: crate `test_mueQu9Oz` 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: `test_mue_qu9_oz`
[INFO] [stderr] 
[INFO] [stderr] warning: `test-mueQu9Oz` (bin "test-mueQu9Oz" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/test_mueQu9Oz-cbaa39fd1acc27d6)
[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" "90091a59d82bf087dc69d5b2b5893ce97bd1d9e91873c7b3854e62ed3efb0cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90091a59d82bf087dc69d5b2b5893ce97bd1d9e91873c7b3854e62ed3efb0cf1", kill_on_drop: false }`
[INFO] [stdout] 90091a59d82bf087dc69d5b2b5893ce97bd1d9e91873c7b3854e62ed3efb0cf1