[INFO] fetching crate vmode 0.1.0...
[INFO] testing vmode-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate vmode 0.1.0 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate vmode 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vmode 0.1.0
[INFO] finished tweaking crates.io crate vmode 0.1.0
[INFO] tweaked toml for crates.io crate vmode 0.1.0 written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] crate crates.io crate vmode 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f5c27c594f8ae2f5e2dc2c0ffed1446c0b36dd251ffccb66dc632eba1fc00e6
[INFO] running `Command { std: "docker" "start" "-a" "4f5c27c594f8ae2f5e2dc2c0ffed1446c0b36dd251ffccb66dc632eba1fc00e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f5c27c594f8ae2f5e2dc2c0ffed1446c0b36dd251ffccb66dc632eba1fc00e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f5c27c594f8ae2f5e2dc2c0ffed1446c0b36dd251ffccb66dc632eba1fc00e6", kill_on_drop: false }`
[INFO] [stdout] 4f5c27c594f8ae2f5e2dc2c0ffed1446c0b36dd251ffccb66dc632eba1fc00e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f17af30ab5ff20c9e8b02da050ee1ac59d7a4807007f6c3947a144762ad7b71e
[INFO] running `Command { std: "docker" "start" "-a" "f17af30ab5ff20c9e8b02da050ee1ac59d7a4807007f6c3947a144762ad7b71e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling vmode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.76s
[INFO] running `Command { std: "docker" "inspect" "f17af30ab5ff20c9e8b02da050ee1ac59d7a4807007f6c3947a144762ad7b71e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f17af30ab5ff20c9e8b02da050ee1ac59d7a4807007f6c3947a144762ad7b71e", kill_on_drop: false }`
[INFO] [stdout] f17af30ab5ff20c9e8b02da050ee1ac59d7a4807007f6c3947a144762ad7b71e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 490796ca77027307b665a1ec410f2a19a665a71a382be21fa29e881dd0ab9ad6
[INFO] running `Command { std: "docker" "start" "-a" "490796ca77027307b665a1ec410f2a19a665a71a382be21fa29e881dd0ab9ad6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling vmode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.33s
[INFO] running `Command { std: "docker" "inspect" "490796ca77027307b665a1ec410f2a19a665a71a382be21fa29e881dd0ab9ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "490796ca77027307b665a1ec410f2a19a665a71a382be21fa29e881dd0ab9ad6", kill_on_drop: false }`
[INFO] [stdout] 490796ca77027307b665a1ec410f2a19a665a71a382be21fa29e881dd0ab9ad6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9e6d800a2a89953a1374dd9afc68e04bef3b44c4b08d1acaffd4fc813613cd3d
[INFO] running `Command { std: "docker" "start" "-a" "9e6d800a2a89953a1374dd9afc68e04bef3b44c4b08d1acaffd4fc813613cd3d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.54s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vmode-d323745a2a74beb2)
[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" "9e6d800a2a89953a1374dd9afc68e04bef3b44c4b08d1acaffd4fc813613cd3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e6d800a2a89953a1374dd9afc68e04bef3b44c4b08d1acaffd4fc813613cd3d", kill_on_drop: false }`
[INFO] [stdout] 9e6d800a2a89953a1374dd9afc68e04bef3b44c4b08d1acaffd4fc813613cd3d