[INFO] fetching crate couriers 0.0.0-unreleased+2...
[INFO] testing couriers-0.0.0-unreleased+2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate couriers 0.0.0-unreleased+2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate couriers 0.0.0-unreleased+2
[INFO] finished tweaking crates.io crate couriers 0.0.0-unreleased+2
[INFO] tweaked toml for crates.io crate couriers 0.0.0-unreleased+2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate couriers 0.0.0-unreleased+2 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] 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4fc6f149da95546af79a15353974b2f3659b999497fcfa2ecee0b9d8d8dc6534
[INFO] running `Command { std: "docker" "start" "-a" "4fc6f149da95546af79a15353974b2f3659b999497fcfa2ecee0b9d8d8dc6534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fc6f149da95546af79a15353974b2f3659b999497fcfa2ecee0b9d8d8dc6534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fc6f149da95546af79a15353974b2f3659b999497fcfa2ecee0b9d8d8dc6534", kill_on_drop: false }`
[INFO] [stdout] 4fc6f149da95546af79a15353974b2f3659b999497fcfa2ecee0b9d8d8dc6534
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ca68acdde6ed4d4b819b0a8e5fd0ae4ae0a346afbd712b257f1827937e3ff041
[INFO] running `Command { std: "docker" "start" "-a" "ca68acdde6ed4d4b819b0a8e5fd0ae4ae0a346afbd712b257f1827937e3ff041", kill_on_drop: false }`
[INFO] [stderr]    Compiling couriers v0.0.0-unreleased+2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "ca68acdde6ed4d4b819b0a8e5fd0ae4ae0a346afbd712b257f1827937e3ff041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca68acdde6ed4d4b819b0a8e5fd0ae4ae0a346afbd712b257f1827937e3ff041", kill_on_drop: false }`
[INFO] [stdout] ca68acdde6ed4d4b819b0a8e5fd0ae4ae0a346afbd712b257f1827937e3ff041
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 804380c92f04cd0da44f11996221ad51948aee910abaed9a22280ace2105a295
[INFO] running `Command { std: "docker" "start" "-a" "804380c92f04cd0da44f11996221ad51948aee910abaed9a22280ace2105a295", kill_on_drop: false }`
[INFO] [stderr]    Compiling couriers v0.0.0-unreleased+2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "804380c92f04cd0da44f11996221ad51948aee910abaed9a22280ace2105a295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "804380c92f04cd0da44f11996221ad51948aee910abaed9a22280ace2105a295", kill_on_drop: false }`
[INFO] [stdout] 804380c92f04cd0da44f11996221ad51948aee910abaed9a22280ace2105a295
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 89657965bbc153c296920a9a16690f02c1f3f5fad846771168b6511c33a3b2fd
[INFO] running `Command { std: "docker" "start" "-a" "89657965bbc153c296920a9a16690f02c1f3f5fad846771168b6511c33a3b2fd", 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/couriers-14087ce8017adde7)
[INFO] [stderr]    Doc-tests couriers
[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] [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" "89657965bbc153c296920a9a16690f02c1f3f5fad846771168b6511c33a3b2fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89657965bbc153c296920a9a16690f02c1f3f5fad846771168b6511c33a3b2fd", kill_on_drop: false }`
[INFO] [stdout] 89657965bbc153c296920a9a16690f02c1f3f5fad846771168b6511c33a3b2fd