[INFO] fetching crate usage 1.4.0...
[INFO] testing usage-1.4.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate usage 1.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate usage 1.4.0
[INFO] finished tweaking crates.io crate usage 1.4.0
[INFO] tweaked toml for crates.io crate usage 1.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate usage 1.4.0 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 7 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d61640fcdbce99c307abcf2f6cc875648f65670dd594ca93a937039e6684f6f7
[INFO] running `Command { std: "docker" "start" "-a" "d61640fcdbce99c307abcf2f6cc875648f65670dd594ca93a937039e6684f6f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d61640fcdbce99c307abcf2f6cc875648f65670dd594ca93a937039e6684f6f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d61640fcdbce99c307abcf2f6cc875648f65670dd594ca93a937039e6684f6f7", kill_on_drop: false }`
[INFO] [stdout] d61640fcdbce99c307abcf2f6cc875648f65670dd594ca93a937039e6684f6f7
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60d5ece5e2de85b1f161a4eb73ee1310ca25bacaa6d0d50b0059dcaa857045a0
[INFO] running `Command { std: "docker" "start" "-a" "60d5ece5e2de85b1f161a4eb73ee1310ca25bacaa6d0d50b0059dcaa857045a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling usage v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "60d5ece5e2de85b1f161a4eb73ee1310ca25bacaa6d0d50b0059dcaa857045a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60d5ece5e2de85b1f161a4eb73ee1310ca25bacaa6d0d50b0059dcaa857045a0", kill_on_drop: false }`
[INFO] [stdout] 60d5ece5e2de85b1f161a4eb73ee1310ca25bacaa6d0d50b0059dcaa857045a0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e3b0f7cbcb4dbf81e72881ce295a769ef34a23e417c0a14b9dd5dd5368d298b
[INFO] running `Command { std: "docker" "start" "-a" "0e3b0f7cbcb4dbf81e72881ce295a769ef34a23e417c0a14b9dd5dd5368d298b", kill_on_drop: false }`
[INFO] [stderr]    Compiling usage v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "0e3b0f7cbcb4dbf81e72881ce295a769ef34a23e417c0a14b9dd5dd5368d298b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e3b0f7cbcb4dbf81e72881ce295a769ef34a23e417c0a14b9dd5dd5368d298b", kill_on_drop: false }`
[INFO] [stdout] 0e3b0f7cbcb4dbf81e72881ce295a769ef34a23e417c0a14b9dd5dd5368d298b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f7dcc1966a6788b6d7c16cdd8294dcec2d25efe34379fc4845681f2d21241ef4
[INFO] running `Command { std: "docker" "start" "-a" "f7dcc1966a6788b6d7c16cdd8294dcec2d25efe34379fc4845681f2d21241ef4", 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/usage-fe71373570d1023e)
[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 usage
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/as_usage.rs - as_usage::AsUsage (line 4) ... ok
[INFO] [stdout] test src/lib.rs - Usage (line 92) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f7dcc1966a6788b6d7c16cdd8294dcec2d25efe34379fc4845681f2d21241ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7dcc1966a6788b6d7c16cdd8294dcec2d25efe34379fc4845681f2d21241ef4", kill_on_drop: false }`
[INFO] [stdout] f7dcc1966a6788b6d7c16cdd8294dcec2d25efe34379fc4845681f2d21241ef4