[INFO] fetching crate devker 0.1.6...
[INFO] testing devker-0.1.6 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate devker 0.1.6 into /workspace/builds/worker-100/source
[INFO] validating manifest of crates.io crate devker 0.1.6 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 devker 0.1.6
[INFO] finished tweaking crates.io crate devker 0.1.6
[INFO] tweaked toml for crates.io crate devker 0.1.6 written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] 4aa0d021268ac84fe69db4006da80b0ab022f7bbb92623cdbe769b6f186d6945
[INFO] running `Command { std: "docker" "start" "-a" "4aa0d021268ac84fe69db4006da80b0ab022f7bbb92623cdbe769b6f186d6945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4aa0d021268ac84fe69db4006da80b0ab022f7bbb92623cdbe769b6f186d6945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aa0d021268ac84fe69db4006da80b0ab022f7bbb92623cdbe769b6f186d6945", kill_on_drop: false }`
[INFO] [stdout] 4aa0d021268ac84fe69db4006da80b0ab022f7bbb92623cdbe769b6f186d6945
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] 9c22565db9083df40b008aa0fede1b773f5979d3c2c384c96044dfb5829fbc5a
[INFO] running `Command { std: "docker" "start" "-a" "9c22565db9083df40b008aa0fede1b773f5979d3c2c384c96044dfb5829fbc5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling devker v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "9c22565db9083df40b008aa0fede1b773f5979d3c2c384c96044dfb5829fbc5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c22565db9083df40b008aa0fede1b773f5979d3c2c384c96044dfb5829fbc5a", kill_on_drop: false }`
[INFO] [stdout] 9c22565db9083df40b008aa0fede1b773f5979d3c2c384c96044dfb5829fbc5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] 0a13aa29813eb50cfe15a578bca52d8b73ede6b3f8384a89936388dc4c61d551
[INFO] running `Command { std: "docker" "start" "-a" "0a13aa29813eb50cfe15a578bca52d8b73ede6b3f8384a89936388dc4c61d551", kill_on_drop: false }`
[INFO] [stderr]    Compiling devker v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "0a13aa29813eb50cfe15a578bca52d8b73ede6b3f8384a89936388dc4c61d551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a13aa29813eb50cfe15a578bca52d8b73ede6b3f8384a89936388dc4c61d551", kill_on_drop: false }`
[INFO] [stdout] 0a13aa29813eb50cfe15a578bca52d8b73ede6b3f8384a89936388dc4c61d551
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] 8da629a2bf9088e4a6123ab0159a053ef4fa84eec792434149e4fe16608675a8
[INFO] running `Command { std: "docker" "start" "-a" "8da629a2bf9088e4a6123ab0159a053ef4fa84eec792434149e4fe16608675a8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/devker-4ddb884970456b29)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests devker
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/deflate.rs - deflate (line 21) ... ok
[INFO] [stdout] test src/deflate.rs - deflate (line 6) ... ok
[INFO] [stdout] test src/zlib.rs - zlib (line 6) ... ok
[INFO] [stdout] test src/zlib.rs - zlib (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8da629a2bf9088e4a6123ab0159a053ef4fa84eec792434149e4fe16608675a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8da629a2bf9088e4a6123ab0159a053ef4fa84eec792434149e4fe16608675a8", kill_on_drop: false }`
[INFO] [stdout] 8da629a2bf9088e4a6123ab0159a053ef4fa84eec792434149e4fe16608675a8