[INFO] fetching crate serde-display 0.1.0...
[INFO] testing serde-display-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate serde-display 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate serde-display 0.1.0
[INFO] finished tweaking crates.io crate serde-display 0.1.0
[INFO] tweaked toml for crates.io crate serde-display 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-display 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde-display 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b9889b836172ef05a93bcbd43574f8eb8bb6d7888af9ccfd5787f3f6a361fa8
[INFO] running `Command { std: "docker" "start" "-a" "2b9889b836172ef05a93bcbd43574f8eb8bb6d7888af9ccfd5787f3f6a361fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b9889b836172ef05a93bcbd43574f8eb8bb6d7888af9ccfd5787f3f6a361fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b9889b836172ef05a93bcbd43574f8eb8bb6d7888af9ccfd5787f3f6a361fa8", kill_on_drop: false }`
[INFO] [stdout] 2b9889b836172ef05a93bcbd43574f8eb8bb6d7888af9ccfd5787f3f6a361fa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cad8a88b8c6c51491d2c7740e422eeb93c07453aea30a946fbe18e4aa5ee18b
[INFO] running `Command { std: "docker" "start" "-a" "6cad8a88b8c6c51491d2c7740e422eeb93c07453aea30a946fbe18e4aa5ee18b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde-display v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "6cad8a88b8c6c51491d2c7740e422eeb93c07453aea30a946fbe18e4aa5ee18b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cad8a88b8c6c51491d2c7740e422eeb93c07453aea30a946fbe18e4aa5ee18b", kill_on_drop: false }`
[INFO] [stdout] 6cad8a88b8c6c51491d2c7740e422eeb93c07453aea30a946fbe18e4aa5ee18b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dd71733eb1e0b3b9a40c0930eda7944f0f9566669d477b2f896ffc00ff010ab
[INFO] running `Command { std: "docker" "start" "-a" "4dd71733eb1e0b3b9a40c0930eda7944f0f9566669d477b2f896ffc00ff010ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde-display v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.62s
[INFO] running `Command { std: "docker" "inspect" "4dd71733eb1e0b3b9a40c0930eda7944f0f9566669d477b2f896ffc00ff010ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd71733eb1e0b3b9a40c0930eda7944f0f9566669d477b2f896ffc00ff010ab", kill_on_drop: false }`
[INFO] [stdout] 4dd71733eb1e0b3b9a40c0930eda7944f0f9566669d477b2f896ffc00ff010ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0d8686dc5fd123aff6ffc070f76d268517b91dcab08fa0a07838411cc8a759ee
[INFO] running `Command { std: "docker" "start" "-a" "0d8686dc5fd123aff6ffc070f76d268517b91dcab08fa0a07838411cc8a759ee", 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/serde_display-46173b62fcee5d01)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::empty_map ... ok
[INFO] [stdout] test tests::empty_slice ... ok
[INFO] [stdout] test tests::nested_struct ... ok
[INFO] [stdout] test tests::newtype_struct ... ok
[INFO] [stdout] test tests::newtype_variant ... ok
[INFO] [stdout] test tests::none ... ok
[INFO] [stdout] test tests::simple_map ... ok
[INFO] [stdout] test tests::struct_array ... ok
[INFO] [stdout] test tests::struct_map ... ok
[INFO] [stdout] test tests::struct_variant ... ok
[INFO] [stdout] test tests::tuple_variant ... ok
[INFO] [stdout] test tests::unit_struct ... ok
[INFO] [stdout] test tests::simple_slice ... ok
[INFO] [stdout] test tests::unit_variant ... ok
[INFO] [stdout] test tests::simple_struct ... ok
[INFO] [stdout] test tests::some_slice ... ok
[INFO] [stdout] test tests::simple_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_display
[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" "0d8686dc5fd123aff6ffc070f76d268517b91dcab08fa0a07838411cc8a759ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8686dc5fd123aff6ffc070f76d268517b91dcab08fa0a07838411cc8a759ee", kill_on_drop: false }`
[INFO] [stdout] 0d8686dc5fd123aff6ffc070f76d268517b91dcab08fa0a07838411cc8a759ee