[INFO] fetching crate n_best 0.1.0...
[INFO] testing n_best-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate n_best 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate n_best 0.1.0
[INFO] finished tweaking crates.io crate n_best 0.1.0
[INFO] tweaked toml for crates.io crate n_best 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate n_best 0.1.0 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 1 package to latest compatible version
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ord_by v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 97f02196d6c2149652f5ab6c513a3be508ece8a61135764e9cfed321795eca99
[INFO] running `Command { std: "docker" "start" "-a" "97f02196d6c2149652f5ab6c513a3be508ece8a61135764e9cfed321795eca99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97f02196d6c2149652f5ab6c513a3be508ece8a61135764e9cfed321795eca99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f02196d6c2149652f5ab6c513a3be508ece8a61135764e9cfed321795eca99", kill_on_drop: false }`
[INFO] [stdout] 97f02196d6c2149652f5ab6c513a3be508ece8a61135764e9cfed321795eca99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d8af15980d5f6dad63698960ad8f975ed2397f178813e59a96cd932b5bd0597a
[INFO] running `Command { std: "docker" "start" "-a" "d8af15980d5f6dad63698960ad8f975ed2397f178813e59a96cd932b5bd0597a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ord_by v0.1.1
[INFO] [stderr]    Compiling n_best v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "d8af15980d5f6dad63698960ad8f975ed2397f178813e59a96cd932b5bd0597a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8af15980d5f6dad63698960ad8f975ed2397f178813e59a96cd932b5bd0597a", kill_on_drop: false }`
[INFO] [stdout] d8af15980d5f6dad63698960ad8f975ed2397f178813e59a96cd932b5bd0597a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 12e5a94f8975f5a3c3542c6623133348afe783c417e244ae9daa065e4ff532f2
[INFO] running `Command { std: "docker" "start" "-a" "12e5a94f8975f5a3c3542c6623133348afe783c417e244ae9daa065e4ff532f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling n_best v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "12e5a94f8975f5a3c3542c6623133348afe783c417e244ae9daa065e4ff532f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12e5a94f8975f5a3c3542c6623133348afe783c417e244ae9daa065e4ff532f2", kill_on_drop: false }`
[INFO] [stdout] 12e5a94f8975f5a3c3542c6623133348afe783c417e244ae9daa065e4ff532f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3f54166cc336c741e8f96392cb7fdb8355ad8c17b7af225471a082130e134c7c
[INFO] running `Command { std: "docker" "start" "-a" "3f54166cc336c741e8f96392cb7fdb8355ad8c17b7af225471a082130e134c7c", 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/n_best-bf9e59203e3e307e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_cmp_fn ... ok
[INFO] [stdout] test test_ord ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests n_best
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3f54166cc336c741e8f96392cb7fdb8355ad8c17b7af225471a082130e134c7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f54166cc336c741e8f96392cb7fdb8355ad8c17b7af225471a082130e134c7c", kill_on_drop: false }`
[INFO] [stdout] 3f54166cc336c741e8f96392cb7fdb8355ad8c17b7af225471a082130e134c7c