[INFO] fetching crate four-char-code 2.3.0...
[INFO] testing four-char-code-2.3.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate four-char-code 2.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate four-char-code 2.3.0
[INFO] finished tweaking crates.io crate four-char-code 2.3.0
[INFO] tweaked toml for crates.io crate four-char-code 2.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate four-char-code 2.3.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate four-char-code 2.3.0 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" "+562dee4820c458d823175268e41601d4c060588a" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adf67acbd927a87a3ae8fb3c7dbbfe038d14aa8baf549498d5b737ef992cbcf0
[INFO] running `Command { std: "docker" "start" "-a" "adf67acbd927a87a3ae8fb3c7dbbfe038d14aa8baf549498d5b737ef992cbcf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adf67acbd927a87a3ae8fb3c7dbbfe038d14aa8baf549498d5b737ef992cbcf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf67acbd927a87a3ae8fb3c7dbbfe038d14aa8baf549498d5b737ef992cbcf0", kill_on_drop: false }`
[INFO] [stdout] adf67acbd927a87a3ae8fb3c7dbbfe038d14aa8baf549498d5b737ef992cbcf0
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cfc0fee91e3c0325735902c700f302d8581f8613f2dafe88ad1293e2579384f
[INFO] running `Command { std: "docker" "start" "-a" "5cfc0fee91e3c0325735902c700f302d8581f8613f2dafe88ad1293e2579384f", kill_on_drop: false }`
[INFO] [stderr]    Compiling four-char-code v2.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "5cfc0fee91e3c0325735902c700f302d8581f8613f2dafe88ad1293e2579384f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cfc0fee91e3c0325735902c700f302d8581f8613f2dafe88ad1293e2579384f", kill_on_drop: false }`
[INFO] [stdout] 5cfc0fee91e3c0325735902c700f302d8581f8613f2dafe88ad1293e2579384f
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40651faf85bc5c3e4164659e2905cb722fce8e586aa6992851627e07d6183fe9
[INFO] running `Command { std: "docker" "start" "-a" "40651faf85bc5c3e4164659e2905cb722fce8e586aa6992851627e07d6183fe9", kill_on_drop: false }`
[INFO] [stderr]    Compiling four-char-code v2.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "40651faf85bc5c3e4164659e2905cb722fce8e586aa6992851627e07d6183fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40651faf85bc5c3e4164659e2905cb722fce8e586aa6992851627e07d6183fe9", kill_on_drop: false }`
[INFO] [stdout] 40651faf85bc5c3e4164659e2905cb722fce8e586aa6992851627e07d6183fe9
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f92caae25c4a04f168e203391dba19c21db14ee19b06acddc0c1d30b669156e3
[INFO] running `Command { std: "docker" "start" "-a" "f92caae25c4a04f168e203391dba19c21db14ee19b06acddc0c1d30b669156e3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/four_char_code-2be0ed3a2f805490)
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::format ... ok
[INFO] [stdout] test tests::invalid ... ok
[INFO] [stdout] test tests::valid ... ok
[INFO] [stderr]    Doc-tests four_char_code
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "f92caae25c4a04f168e203391dba19c21db14ee19b06acddc0c1d30b669156e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f92caae25c4a04f168e203391dba19c21db14ee19b06acddc0c1d30b669156e3", kill_on_drop: false }`
[INFO] [stdout] f92caae25c4a04f168e203391dba19c21db14ee19b06acddc0c1d30b669156e3