[INFO] fetching crate smartcow 0.2.1...
[INFO] testing smartcow-0.2.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate smartcow 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate smartcow 0.2.1
[INFO] finished tweaking crates.io crate smartcow 0.2.1
[INFO] tweaked toml for crates.io crate smartcow 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate smartcow 0.2.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63a922efa56d4fef1b92961bdaba66b30ab026e33767e166930524238367f5ea
[INFO] running `Command { std: "docker" "start" "-a" "63a922efa56d4fef1b92961bdaba66b30ab026e33767e166930524238367f5ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63a922efa56d4fef1b92961bdaba66b30ab026e33767e166930524238367f5ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63a922efa56d4fef1b92961bdaba66b30ab026e33767e166930524238367f5ea", kill_on_drop: false }`
[INFO] [stdout] 63a922efa56d4fef1b92961bdaba66b30ab026e33767e166930524238367f5ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4ac0bbbca576762bbc818d8409f1fcd98caa1f58b36883ced4ed2b9a56938df
[INFO] running `Command { std: "docker" "start" "-a" "d4ac0bbbca576762bbc818d8409f1fcd98caa1f58b36883ced4ed2b9a56938df", kill_on_drop: false }`
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling smartcow v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "d4ac0bbbca576762bbc818d8409f1fcd98caa1f58b36883ced4ed2b9a56938df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4ac0bbbca576762bbc818d8409f1fcd98caa1f58b36883ced4ed2b9a56938df", kill_on_drop: false }`
[INFO] [stdout] d4ac0bbbca576762bbc818d8409f1fcd98caa1f58b36883ced4ed2b9a56938df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0238a040af4faf173d13e76d31e8c5360b81672082c4eeb24d5fcdb72efcf614
[INFO] running `Command { std: "docker" "start" "-a" "0238a040af4faf173d13e76d31e8c5360b81672082c4eeb24d5fcdb72efcf614", kill_on_drop: false }`
[INFO] [stderr]    Compiling smartcow v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "0238a040af4faf173d13e76d31e8c5360b81672082c4eeb24d5fcdb72efcf614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0238a040af4faf173d13e76d31e8c5360b81672082c4eeb24d5fcdb72efcf614", kill_on_drop: false }`
[INFO] [stdout] 0238a040af4faf173d13e76d31e8c5360b81672082c4eeb24d5fcdb72efcf614
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] acb73a25be720b6f81cba2abd48a44dd95dbd276813c5c15f06e1834ae183f25
[INFO] running `Command { std: "docker" "start" "-a" "acb73a25be720b6f81cba2abd48a44dd95dbd276813c5c15f06e1834ae183f25", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/smartcow-3f61b6c01e2c7d01)
[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 smartcow
[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" "acb73a25be720b6f81cba2abd48a44dd95dbd276813c5c15f06e1834ae183f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acb73a25be720b6f81cba2abd48a44dd95dbd276813c5c15f06e1834ae183f25", kill_on_drop: false }`
[INFO] [stdout] acb73a25be720b6f81cba2abd48a44dd95dbd276813c5c15f06e1834ae183f25