[INFO] fetching crate impossible 0.0.0...
[INFO] testing impossible-0.0.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate impossible 0.0.0 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate impossible 0.0.0 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 impossible 0.0.0
[INFO] finished tweaking crates.io crate impossible 0.0.0
[INFO] tweaked toml for crates.io crate impossible 0.0.0 written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate crates.io crate impossible 0.0.0 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-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1822e945e564b235121efa13a81f991c6a767b85f6dc49f738eab7c2d81533ce
[INFO] running `Command { std: "docker" "start" "-a" "1822e945e564b235121efa13a81f991c6a767b85f6dc49f738eab7c2d81533ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1822e945e564b235121efa13a81f991c6a767b85f6dc49f738eab7c2d81533ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1822e945e564b235121efa13a81f991c6a767b85f6dc49f738eab7c2d81533ce", kill_on_drop: false }`
[INFO] [stdout] 1822e945e564b235121efa13a81f991c6a767b85f6dc49f738eab7c2d81533ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf8227213d5a18bf98dd4cfa9153ab1f7cae505d880a2a9c280f651827705b1c
[INFO] running `Command { std: "docker" "start" "-a" "bf8227213d5a18bf98dd4cfa9153ab1f7cae505d880a2a9c280f651827705b1c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling impossible v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "bf8227213d5a18bf98dd4cfa9153ab1f7cae505d880a2a9c280f651827705b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf8227213d5a18bf98dd4cfa9153ab1f7cae505d880a2a9c280f651827705b1c", kill_on_drop: false }`
[INFO] [stdout] bf8227213d5a18bf98dd4cfa9153ab1f7cae505d880a2a9c280f651827705b1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b9578b207968fffe7ed8af770dd8b63ec451ad4adebd9da48dc62b64b8d6d9c
[INFO] running `Command { std: "docker" "start" "-a" "0b9578b207968fffe7ed8af770dd8b63ec451ad4adebd9da48dc62b64b8d6d9c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling impossible v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "0b9578b207968fffe7ed8af770dd8b63ec451ad4adebd9da48dc62b64b8d6d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b9578b207968fffe7ed8af770dd8b63ec451ad4adebd9da48dc62b64b8d6d9c", kill_on_drop: false }`
[INFO] [stdout] 0b9578b207968fffe7ed8af770dd8b63ec451ad4adebd9da48dc62b64b8d6d9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 720ef619f57534e2c188389c262fa62c004225252532120c5c5db0270c973dcf
[INFO] running `Command { std: "docker" "start" "-a" "720ef619f57534e2c188389c262fa62c004225252532120c5c5db0270c973dcf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/impossible-1a64da71986a2fa3)
[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" "720ef619f57534e2c188389c262fa62c004225252532120c5c5db0270c973dcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "720ef619f57534e2c188389c262fa62c004225252532120c5c5db0270c973dcf", kill_on_drop: false }`
[INFO] [stdout] 720ef619f57534e2c188389c262fa62c004225252532120c5c5db0270c973dcf