[INFO] fetching crate briar 0.0.0...
[INFO] testing briar-0.0.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate briar 0.0.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate briar 0.0.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate briar 0.0.0
[INFO] finished tweaking crates.io crate briar 0.0.0
[INFO] tweaked toml for crates.io crate briar 0.0.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 229fc40c6473134590d9492fdd36efb77c0cf1ed147e9dc66f3819984fb14da1
[INFO] running `Command { std: "docker" "start" "-a" "229fc40c6473134590d9492fdd36efb77c0cf1ed147e9dc66f3819984fb14da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "229fc40c6473134590d9492fdd36efb77c0cf1ed147e9dc66f3819984fb14da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "229fc40c6473134590d9492fdd36efb77c0cf1ed147e9dc66f3819984fb14da1", kill_on_drop: false }`
[INFO] [stdout] 229fc40c6473134590d9492fdd36efb77c0cf1ed147e9dc66f3819984fb14da1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06f2bef26392c555f33865a27c8968b33d28e3492b71a9523cca91f2921018f2
[INFO] running `Command { std: "docker" "start" "-a" "06f2bef26392c555f33865a27c8968b33d28e3492b71a9523cca91f2921018f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling briar v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "06f2bef26392c555f33865a27c8968b33d28e3492b71a9523cca91f2921018f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06f2bef26392c555f33865a27c8968b33d28e3492b71a9523cca91f2921018f2", kill_on_drop: false }`
[INFO] [stdout] 06f2bef26392c555f33865a27c8968b33d28e3492b71a9523cca91f2921018f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc7ca93525ee1a92be4d4f1e0fdbf3541baf7f7d7e82b67dbab32ce9309bfa5c
[INFO] running `Command { std: "docker" "start" "-a" "bc7ca93525ee1a92be4d4f1e0fdbf3541baf7f7d7e82b67dbab32ce9309bfa5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling briar v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "bc7ca93525ee1a92be4d4f1e0fdbf3541baf7f7d7e82b67dbab32ce9309bfa5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7ca93525ee1a92be4d4f1e0fdbf3541baf7f7d7e82b67dbab32ce9309bfa5c", kill_on_drop: false }`
[INFO] [stdout] bc7ca93525ee1a92be4d4f1e0fdbf3541baf7f7d7e82b67dbab32ce9309bfa5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f14d320cfe93856db6ddad21bb4670309669c62896ea2fbe8551568bb3d5fd72
[INFO] running `Command { std: "docker" "start" "-a" "f14d320cfe93856db6ddad21bb4670309669c62896ea2fbe8551568bb3d5fd72", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/briar-d3ebd8656161a303)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests briar
[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] [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" "f14d320cfe93856db6ddad21bb4670309669c62896ea2fbe8551568bb3d5fd72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f14d320cfe93856db6ddad21bb4670309669c62896ea2fbe8551568bb3d5fd72", kill_on_drop: false }`
[INFO] [stdout] f14d320cfe93856db6ddad21bb4670309669c62896ea2fbe8551568bb3d5fd72