[INFO] fetching crate vlugger 0.3.0...
[INFO] testing vlugger-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate vlugger 0.3.0 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate vlugger 0.3.0 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 vlugger 0.3.0
[INFO] finished tweaking crates.io crate vlugger 0.3.0
[INFO] tweaked toml for crates.io crate vlugger 0.3.0 written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate crates.io crate vlugger 0.3.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 31c25141d41f9c73f7ab0e5b46063763ae5d388f7697d40e3693c0752689aab1
[INFO] running `Command { std: "docker" "start" "-a" "31c25141d41f9c73f7ab0e5b46063763ae5d388f7697d40e3693c0752689aab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31c25141d41f9c73f7ab0e5b46063763ae5d388f7697d40e3693c0752689aab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31c25141d41f9c73f7ab0e5b46063763ae5d388f7697d40e3693c0752689aab1", kill_on_drop: false }`
[INFO] [stdout] 31c25141d41f9c73f7ab0e5b46063763ae5d388f7697d40e3693c0752689aab1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 9450286038f863938c4b122c69f9665915d8235cc2c52b4c6356ec46d0cf2bc4
[INFO] running `Command { std: "docker" "start" "-a" "9450286038f863938c4b122c69f9665915d8235cc2c52b4c6356ec46d0cf2bc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling vlugger v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.03s
[INFO] running `Command { std: "docker" "inspect" "9450286038f863938c4b122c69f9665915d8235cc2c52b4c6356ec46d0cf2bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9450286038f863938c4b122c69f9665915d8235cc2c52b4c6356ec46d0cf2bc4", kill_on_drop: false }`
[INFO] [stdout] 9450286038f863938c4b122c69f9665915d8235cc2c52b4c6356ec46d0cf2bc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 95def7d199a62a01cfaf82f1210e6b344ca7f2684fa825c6254207efdcb475d1
[INFO] running `Command { std: "docker" "start" "-a" "95def7d199a62a01cfaf82f1210e6b344ca7f2684fa825c6254207efdcb475d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling vlugger v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "95def7d199a62a01cfaf82f1210e6b344ca7f2684fa825c6254207efdcb475d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95def7d199a62a01cfaf82f1210e6b344ca7f2684fa825c6254207efdcb475d1", kill_on_drop: false }`
[INFO] [stdout] 95def7d199a62a01cfaf82f1210e6b344ca7f2684fa825c6254207efdcb475d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 49d32e2bda8c35ddd2e5deac2f408492bfaba67ccaa6a8db8557fe7076858b3b
[INFO] running `Command { std: "docker" "start" "-a" "49d32e2bda8c35ddd2e5deac2f408492bfaba67ccaa6a8db8557fe7076858b3b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vlugger-0bc4786dfb979d73)
[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" "49d32e2bda8c35ddd2e5deac2f408492bfaba67ccaa6a8db8557fe7076858b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49d32e2bda8c35ddd2e5deac2f408492bfaba67ccaa6a8db8557fe7076858b3b", kill_on_drop: false }`
[INFO] [stdout] 49d32e2bda8c35ddd2e5deac2f408492bfaba67ccaa6a8db8557fe7076858b3b