[INFO] fetching crate rusty-os 0.1.0...
[INFO] testing rusty-os-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate rusty-os 0.1.0 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate rusty-os 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 rusty-os 0.1.0
[INFO] finished tweaking crates.io crate rusty-os 0.1.0
[INFO] tweaked toml for crates.io crate rusty-os 0.1.0 written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate crates.io crate rusty-os 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 432697eb1f95b1313ce6794c477feb032c03382fef8b3585aafc5c8d457d9863
[INFO] running `Command { std: "docker" "start" "-a" "432697eb1f95b1313ce6794c477feb032c03382fef8b3585aafc5c8d457d9863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "432697eb1f95b1313ce6794c477feb032c03382fef8b3585aafc5c8d457d9863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "432697eb1f95b1313ce6794c477feb032c03382fef8b3585aafc5c8d457d9863", kill_on_drop: false }`
[INFO] [stdout] 432697eb1f95b1313ce6794c477feb032c03382fef8b3585aafc5c8d457d9863
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 3cc6a5ebb22260ea4ec59c8eea412bbc0dd26d34524fa4b61ff5dc45664f8b77
[INFO] running `Command { std: "docker" "start" "-a" "3cc6a5ebb22260ea4ec59c8eea412bbc0dd26d34524fa4b61ff5dc45664f8b77", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty-os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "3cc6a5ebb22260ea4ec59c8eea412bbc0dd26d34524fa4b61ff5dc45664f8b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc6a5ebb22260ea4ec59c8eea412bbc0dd26d34524fa4b61ff5dc45664f8b77", kill_on_drop: false }`
[INFO] [stdout] 3cc6a5ebb22260ea4ec59c8eea412bbc0dd26d34524fa4b61ff5dc45664f8b77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 870112d18dab1b1644b5ca67ba3275aa538d67bb09aa937fbf2a57599cfe5e97
[INFO] running `Command { std: "docker" "start" "-a" "870112d18dab1b1644b5ca67ba3275aa538d67bb09aa937fbf2a57599cfe5e97", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty-os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "870112d18dab1b1644b5ca67ba3275aa538d67bb09aa937fbf2a57599cfe5e97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "870112d18dab1b1644b5ca67ba3275aa538d67bb09aa937fbf2a57599cfe5e97", kill_on_drop: false }`
[INFO] [stdout] 870112d18dab1b1644b5ca67ba3275aa538d67bb09aa937fbf2a57599cfe5e97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] d60cf8d52536a75c180512aae371435cf784f0454c8f2c0d8c1c0ec1e4d0075f
[INFO] running `Command { std: "docker" "start" "-a" "d60cf8d52536a75c180512aae371435cf784f0454c8f2c0d8c1c0ec1e4d0075f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusty_os-0b2df1d8e69b7a46)
[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" "d60cf8d52536a75c180512aae371435cf784f0454c8f2c0d8c1c0ec1e4d0075f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d60cf8d52536a75c180512aae371435cf784f0454c8f2c0d8c1c0ec1e4d0075f", kill_on_drop: false }`
[INFO] [stdout] d60cf8d52536a75c180512aae371435cf784f0454c8f2c0d8c1c0ec1e4d0075f