[INFO] fetching crate vp 0.1.2...
[INFO] testing vp-0.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate vp 0.1.2 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate vp 0.1.2 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 vp 0.1.2
[INFO] finished tweaking crates.io crate vp 0.1.2
[INFO] tweaked toml for crates.io crate vp 0.1.2 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate crates.io crate vp 0.1.2 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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] b60c8a12c022653e20b8e2b633f7cf0151c0202eccebccae8ddd062ca0d4a835
[INFO] running `Command { std: "docker" "start" "-a" "b60c8a12c022653e20b8e2b633f7cf0151c0202eccebccae8ddd062ca0d4a835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b60c8a12c022653e20b8e2b633f7cf0151c0202eccebccae8ddd062ca0d4a835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b60c8a12c022653e20b8e2b633f7cf0151c0202eccebccae8ddd062ca0d4a835", kill_on_drop: false }`
[INFO] [stdout] b60c8a12c022653e20b8e2b633f7cf0151c0202eccebccae8ddd062ca0d4a835
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 9fa30c3dfb085edd8f22b8088c9e24bbb1dc41f6bbfc95732781c261295526de
[INFO] running `Command { std: "docker" "start" "-a" "9fa30c3dfb085edd8f22b8088c9e24bbb1dc41f6bbfc95732781c261295526de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling errno v0.2.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling vp v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.73s
[INFO] running `Command { std: "docker" "inspect" "9fa30c3dfb085edd8f22b8088c9e24bbb1dc41f6bbfc95732781c261295526de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fa30c3dfb085edd8f22b8088c9e24bbb1dc41f6bbfc95732781c261295526de", kill_on_drop: false }`
[INFO] [stdout] 9fa30c3dfb085edd8f22b8088c9e24bbb1dc41f6bbfc95732781c261295526de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 7184030ab932c767d4343d780e2dbc10df67b59b7dd28d0ae129baae2a3bcb4a
[INFO] running `Command { std: "docker" "start" "-a" "7184030ab932c767d4343d780e2dbc10df67b59b7dd28d0ae129baae2a3bcb4a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling vp v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "7184030ab932c767d4343d780e2dbc10df67b59b7dd28d0ae129baae2a3bcb4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7184030ab932c767d4343d780e2dbc10df67b59b7dd28d0ae129baae2a3bcb4a", kill_on_drop: false }`
[INFO] [stdout] 7184030ab932c767d4343d780e2dbc10df67b59b7dd28d0ae129baae2a3bcb4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 8a28a202131db18abfa0def4e76cbb0031fe034f7f1cc47cf0e6b1aaaafb5ba4
[INFO] running `Command { std: "docker" "start" "-a" "8a28a202131db18abfa0def4e76cbb0031fe034f7f1cc47cf0e6b1aaaafb5ba4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vp-154de172f4f038a0)
[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" "8a28a202131db18abfa0def4e76cbb0031fe034f7f1cc47cf0e6b1aaaafb5ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a28a202131db18abfa0def4e76cbb0031fe034f7f1cc47cf0e6b1aaaafb5ba4", kill_on_drop: false }`
[INFO] [stdout] 8a28a202131db18abfa0def4e76cbb0031fe034f7f1cc47cf0e6b1aaaafb5ba4