[INFO] fetching crate mtab 0.1.0...
[INFO] testing mtab-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate mtab 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate mtab 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mtab 0.1.0
[INFO] tweaked toml for crates.io crate mtab 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mtab 0.1.0 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] crate crates.io crate mtab 0.1.0 already has a lockfile, it will not be regenerated
[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] 1ed52f1467c62215cc59e2b4b1dca12c121bd6f3612951ae862bdbfbb2586058
[INFO] running `Command { std: "docker" "start" "-a" "1ed52f1467c62215cc59e2b4b1dca12c121bd6f3612951ae862bdbfbb2586058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ed52f1467c62215cc59e2b4b1dca12c121bd6f3612951ae862bdbfbb2586058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ed52f1467c62215cc59e2b4b1dca12c121bd6f3612951ae862bdbfbb2586058", kill_on_drop: false }`
[INFO] [stdout] 1ed52f1467c62215cc59e2b4b1dca12c121bd6f3612951ae862bdbfbb2586058
[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] f16efb87779305628983981490b145a6606ec1988f4fe533415ed7e917a0b84e
[INFO] running `Command { std: "docker" "start" "-a" "f16efb87779305628983981490b145a6606ec1988f4fe533415ed7e917a0b84e", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling mtab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "f16efb87779305628983981490b145a6606ec1988f4fe533415ed7e917a0b84e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f16efb87779305628983981490b145a6606ec1988f4fe533415ed7e917a0b84e", kill_on_drop: false }`
[INFO] [stdout] f16efb87779305628983981490b145a6606ec1988f4fe533415ed7e917a0b84e
[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] d1d51acb72bd77af2ae2bfffce9f665aeaa021ddc0cf68ee0ac8aa7ed5755711
[INFO] running `Command { std: "docker" "start" "-a" "d1d51acb72bd77af2ae2bfffce9f665aeaa021ddc0cf68ee0ac8aa7ed5755711", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "d1d51acb72bd77af2ae2bfffce9f665aeaa021ddc0cf68ee0ac8aa7ed5755711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1d51acb72bd77af2ae2bfffce9f665aeaa021ddc0cf68ee0ac8aa7ed5755711", kill_on_drop: false }`
[INFO] [stdout] d1d51acb72bd77af2ae2bfffce9f665aeaa021ddc0cf68ee0ac8aa7ed5755711
[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] dd052bba0cb15446afaefb43bba9df97b6ec981e440d833cad9576d6f147856e
[INFO] running `Command { std: "docker" "start" "-a" "dd052bba0cb15446afaefb43bba9df97b6ec981e440d833cad9576d6f147856e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mtab-899ff254559a520c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::it_really_works ... 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 mtab
[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" "dd052bba0cb15446afaefb43bba9df97b6ec981e440d833cad9576d6f147856e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd052bba0cb15446afaefb43bba9df97b6ec981e440d833cad9576d6f147856e", kill_on_drop: false }`
[INFO] [stdout] dd052bba0cb15446afaefb43bba9df97b6ec981e440d833cad9576d6f147856e