[INFO] fetching crate butter 0.1.2-alpha1...
[INFO] testing butter-0.1.2-alpha1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate butter 0.1.2-alpha1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate butter 0.1.2-alpha1
[INFO] finished tweaking crates.io crate butter 0.1.2-alpha1
[INFO] tweaked toml for crates.io crate butter 0.1.2-alpha1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate butter 0.1.2-alpha1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b1c45104651abfac814235ba8d4cc840def44c3103a332bdbc1f8db70b49154
[INFO] running `Command { std: "docker" "start" "-a" "6b1c45104651abfac814235ba8d4cc840def44c3103a332bdbc1f8db70b49154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b1c45104651abfac814235ba8d4cc840def44c3103a332bdbc1f8db70b49154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b1c45104651abfac814235ba8d4cc840def44c3103a332bdbc1f8db70b49154", kill_on_drop: false }`
[INFO] [stdout] 6b1c45104651abfac814235ba8d4cc840def44c3103a332bdbc1f8db70b49154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bead5b726ddccbfff468aecc46dbba98c48bb70e5eb3a0599b451a4dd7b3ddae
[INFO] running `Command { std: "docker" "start" "-a" "bead5b726ddccbfff468aecc46dbba98c48bb70e5eb3a0599b451a4dd7b3ddae", kill_on_drop: false }`
[INFO] [stderr]    Compiling butter v0.1.2-alpha1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "bead5b726ddccbfff468aecc46dbba98c48bb70e5eb3a0599b451a4dd7b3ddae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bead5b726ddccbfff468aecc46dbba98c48bb70e5eb3a0599b451a4dd7b3ddae", kill_on_drop: false }`
[INFO] [stdout] bead5b726ddccbfff468aecc46dbba98c48bb70e5eb3a0599b451a4dd7b3ddae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a0f6387495e7bbab0b2d7ccec1b6a5505b3db7d2e54da90d0cf1efa89493868
[INFO] running `Command { std: "docker" "start" "-a" "6a0f6387495e7bbab0b2d7ccec1b6a5505b3db7d2e54da90d0cf1efa89493868", kill_on_drop: false }`
[INFO] [stderr]    Compiling butter v0.1.2-alpha1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "6a0f6387495e7bbab0b2d7ccec1b6a5505b3db7d2e54da90d0cf1efa89493868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a0f6387495e7bbab0b2d7ccec1b6a5505b3db7d2e54da90d0cf1efa89493868", kill_on_drop: false }`
[INFO] [stdout] 6a0f6387495e7bbab0b2d7ccec1b6a5505b3db7d2e54da90d0cf1efa89493868
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 56229c265c9f559250e9a2d02d3556e4f43e34fe07d6b401a6de80d7160009e3
[INFO] running `Command { std: "docker" "start" "-a" "56229c265c9f559250e9a2d02d3556e4f43e34fe07d6b401a6de80d7160009e3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/butter-cd93e4a77a1b1d87)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_reverse ... ok
[INFO] [stdout] test tests::test_to_title_case ... ok
[INFO] [stdout] test tests::test_word_count ... ok
[INFO] [stdout] test tests::test_is_palindrome ... ok
[INFO] [stderr]    Doc-tests butter
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 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" "56229c265c9f559250e9a2d02d3556e4f43e34fe07d6b401a6de80d7160009e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56229c265c9f559250e9a2d02d3556e4f43e34fe07d6b401a6de80d7160009e3", kill_on_drop: false }`
[INFO] [stdout] 56229c265c9f559250e9a2d02d3556e4f43e34fe07d6b401a6de80d7160009e3