[INFO] fetching crate flex 0.0.0...
[INFO] testing flex-0.0.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate flex 0.0.0 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate flex 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 flex 0.0.0
[INFO] finished tweaking crates.io crate flex 0.0.0
[INFO] tweaked toml for crates.io crate flex 0.0.0 written to /workspace/builds/worker-76/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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] dd66bb39669ac30d2e0a1dcacb7723cc868a7d0bf7a93e544e4c7a5c8662876a
[INFO] running `Command { std: "docker" "start" "-a" "dd66bb39669ac30d2e0a1dcacb7723cc868a7d0bf7a93e544e4c7a5c8662876a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd66bb39669ac30d2e0a1dcacb7723cc868a7d0bf7a93e544e4c7a5c8662876a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd66bb39669ac30d2e0a1dcacb7723cc868a7d0bf7a93e544e4c7a5c8662876a", kill_on_drop: false }`
[INFO] [stdout] dd66bb39669ac30d2e0a1dcacb7723cc868a7d0bf7a93e544e4c7a5c8662876a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 0ffdb17d1de9bd39628ee07c443ef54e595d215dcda2645153f9d6bd603070fa
[INFO] running `Command { std: "docker" "start" "-a" "0ffdb17d1de9bd39628ee07c443ef54e595d215dcda2645153f9d6bd603070fa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flex v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "0ffdb17d1de9bd39628ee07c443ef54e595d215dcda2645153f9d6bd603070fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ffdb17d1de9bd39628ee07c443ef54e595d215dcda2645153f9d6bd603070fa", kill_on_drop: false }`
[INFO] [stdout] 0ffdb17d1de9bd39628ee07c443ef54e595d215dcda2645153f9d6bd603070fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 1d6644c463f97b04a26196b57180182dc5e438276d2508609809046b175649ac
[INFO] running `Command { std: "docker" "start" "-a" "1d6644c463f97b04a26196b57180182dc5e438276d2508609809046b175649ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flex v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "1d6644c463f97b04a26196b57180182dc5e438276d2508609809046b175649ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d6644c463f97b04a26196b57180182dc5e438276d2508609809046b175649ac", kill_on_drop: false }`
[INFO] [stdout] 1d6644c463f97b04a26196b57180182dc5e438276d2508609809046b175649ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 3bb45cffbaac204b2f9df243e50f3814d8a0dedfbc587afc38afbb2b5d14f16d
[INFO] running `Command { std: "docker" "start" "-a" "3bb45cffbaac204b2f9df243e50f3814d8a0dedfbc587afc38afbb2b5d14f16d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flex-74802b9fea357022)
[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] [stderr]    Doc-tests flex
[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" "3bb45cffbaac204b2f9df243e50f3814d8a0dedfbc587afc38afbb2b5d14f16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bb45cffbaac204b2f9df243e50f3814d8a0dedfbc587afc38afbb2b5d14f16d", kill_on_drop: false }`
[INFO] [stdout] 3bb45cffbaac204b2f9df243e50f3814d8a0dedfbc587afc38afbb2b5d14f16d