[INFO] fetching crate smartcow 0.2.1...
[INFO] testing smartcow-0.2.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate smartcow 0.2.1 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate smartcow 0.2.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d417f57b63b63d9a17d2d5cad47121d94c94c20883b72bee722c840553d1ff95
[INFO] running `Command { std: "docker" "start" "-a" "d417f57b63b63d9a17d2d5cad47121d94c94c20883b72bee722c840553d1ff95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d417f57b63b63d9a17d2d5cad47121d94c94c20883b72bee722c840553d1ff95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d417f57b63b63d9a17d2d5cad47121d94c94c20883b72bee722c840553d1ff95", kill_on_drop: false }`
[INFO] [stdout] d417f57b63b63d9a17d2d5cad47121d94c94c20883b72bee722c840553d1ff95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9f2bbb339a42b9bb2319a706562d0b83bef06b18f40756774148e542543ea33
[INFO] running `Command { std: "docker" "start" "-a" "c9f2bbb339a42b9bb2319a706562d0b83bef06b18f40756774148e542543ea33", 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 0.95s
[INFO] running `Command { std: "docker" "inspect" "c9f2bbb339a42b9bb2319a706562d0b83bef06b18f40756774148e542543ea33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9f2bbb339a42b9bb2319a706562d0b83bef06b18f40756774148e542543ea33", kill_on_drop: false }`
[INFO] [stdout] c9f2bbb339a42b9bb2319a706562d0b83bef06b18f40756774148e542543ea33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 658769b816614cb2b70757baa6af53da6af67f2b92590f68884e517d8b8d998f
[INFO] running `Command { std: "docker" "start" "-a" "658769b816614cb2b70757baa6af53da6af67f2b92590f68884e517d8b8d998f", kill_on_drop: false }`
[INFO] [stderr]    Compiling smartcow v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "658769b816614cb2b70757baa6af53da6af67f2b92590f68884e517d8b8d998f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "658769b816614cb2b70757baa6af53da6af67f2b92590f68884e517d8b8d998f", kill_on_drop: false }`
[INFO] [stdout] 658769b816614cb2b70757baa6af53da6af67f2b92590f68884e517d8b8d998f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c40f6071bc474b9352849b3198ce27956e64e1ba407261c3d677a0c8f28f1ea9
[INFO] running `Command { std: "docker" "start" "-a" "c40f6071bc474b9352849b3198ce27956e64e1ba407261c3d677a0c8f28f1ea9", 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-30a7f63205cfc772)
[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] [stderr]    Doc-tests smartcow
[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" "c40f6071bc474b9352849b3198ce27956e64e1ba407261c3d677a0c8f28f1ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c40f6071bc474b9352849b3198ce27956e64e1ba407261c3d677a0c8f28f1ea9", kill_on_drop: false }`
[INFO] [stdout] c40f6071bc474b9352849b3198ce27956e64e1ba407261c3d677a0c8f28f1ea9