[INFO] fetching crate flacon 0.0.1...
[INFO] testing flacon-0.0.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate flacon 0.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate flacon 0.0.1 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 flacon 0.0.1
[INFO] finished tweaking crates.io crate flacon 0.0.1
[INFO] tweaked toml for crates.io crate flacon 0.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate flacon 0.0.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a379d2c6be1cc87da816db6ca4acf29eb201b8f94c8b8dae0bb903c20dbcab13
[INFO] running `Command { std: "docker" "start" "-a" "a379d2c6be1cc87da816db6ca4acf29eb201b8f94c8b8dae0bb903c20dbcab13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a379d2c6be1cc87da816db6ca4acf29eb201b8f94c8b8dae0bb903c20dbcab13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a379d2c6be1cc87da816db6ca4acf29eb201b8f94c8b8dae0bb903c20dbcab13", kill_on_drop: false }`
[INFO] [stdout] a379d2c6be1cc87da816db6ca4acf29eb201b8f94c8b8dae0bb903c20dbcab13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a2ac1a712d6daa46a3b34f75e98ea48469768d5dcb0bbf71ba17627d31e07ec1
[INFO] running `Command { std: "docker" "start" "-a" "a2ac1a712d6daa46a3b34f75e98ea48469768d5dcb0bbf71ba17627d31e07ec1", kill_on_drop: false }`
[INFO] [stderr]    Compiling flacon v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "a2ac1a712d6daa46a3b34f75e98ea48469768d5dcb0bbf71ba17627d31e07ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ac1a712d6daa46a3b34f75e98ea48469768d5dcb0bbf71ba17627d31e07ec1", kill_on_drop: false }`
[INFO] [stdout] a2ac1a712d6daa46a3b34f75e98ea48469768d5dcb0bbf71ba17627d31e07ec1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 3d6fa3dd04d6c99cc945606f97401f25fb87981533c7fd67ee81fe85a90ee0c3
[INFO] running `Command { std: "docker" "start" "-a" "3d6fa3dd04d6c99cc945606f97401f25fb87981533c7fd67ee81fe85a90ee0c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling flacon v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "3d6fa3dd04d6c99cc945606f97401f25fb87981533c7fd67ee81fe85a90ee0c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d6fa3dd04d6c99cc945606f97401f25fb87981533c7fd67ee81fe85a90ee0c3", kill_on_drop: false }`
[INFO] [stdout] 3d6fa3dd04d6c99cc945606f97401f25fb87981533c7fd67ee81fe85a90ee0c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 29931b9466f5ae582efc19bea672c05e67791112a03c7cac6750b4ef560001a1
[INFO] running `Command { std: "docker" "start" "-a" "29931b9466f5ae582efc19bea672c05e67791112a03c7cac6750b4ef560001a1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flacon-4752e10573cf754a)
[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" "29931b9466f5ae582efc19bea672c05e67791112a03c7cac6750b4ef560001a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29931b9466f5ae582efc19bea672c05e67791112a03c7cac6750b4ef560001a1", kill_on_drop: false }`
[INFO] [stdout] 29931b9466f5ae582efc19bea672c05e67791112a03c7cac6750b4ef560001a1