[INFO] fetching crate serde 1.0.130...
[INFO] testing serde-1.0.130 against 1.55.0 for beta-1.56-1
[INFO] extracting crate serde 1.0.130 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate serde 1.0.130 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde 1.0.130
[INFO] finished tweaking crates.io crate serde 1.0.130
[INFO] tweaked toml for crates.io crate serde 1.0.130 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ee21d6b75eae037b250a86f3366339c62e20f16c8e1956798c352fd0e9cce09
[INFO] running `Command { std: "docker" "start" "-a" "2ee21d6b75eae037b250a86f3366339c62e20f16c8e1956798c352fd0e9cce09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ee21d6b75eae037b250a86f3366339c62e20f16c8e1956798c352fd0e9cce09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ee21d6b75eae037b250a86f3366339c62e20f16c8e1956798c352fd0e9cce09", kill_on_drop: false }`
[INFO] [stdout] 2ee21d6b75eae037b250a86f3366339c62e20f16c8e1956798c352fd0e9cce09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 733d044a7367ea3dfa027b88b00ac1b213149a33feb24028a69a4519b4bf3609
[INFO] running `Command { std: "docker" "start" "-a" "733d044a7367ea3dfa027b88b00ac1b213149a33feb24028a69a4519b4bf3609", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.57s
[INFO] running `Command { std: "docker" "inspect" "733d044a7367ea3dfa027b88b00ac1b213149a33feb24028a69a4519b4bf3609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "733d044a7367ea3dfa027b88b00ac1b213149a33feb24028a69a4519b4bf3609", kill_on_drop: false }`
[INFO] [stdout] 733d044a7367ea3dfa027b88b00ac1b213149a33feb24028a69a4519b4bf3609
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 988e05a49e70842d98a9de4235241acc757f0b07e1fa27a225c2167fb7546901
[INFO] running `Command { std: "docker" "start" "-a" "988e05a49e70842d98a9de4235241acc757f0b07e1fa27a225c2167fb7546901", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde v1.0.130 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 32.37s
[INFO] running `Command { std: "docker" "inspect" "988e05a49e70842d98a9de4235241acc757f0b07e1fa27a225c2167fb7546901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "988e05a49e70842d98a9de4235241acc757f0b07e1fa27a225c2167fb7546901", kill_on_drop: false }`
[INFO] [stdout] 988e05a49e70842d98a9de4235241acc757f0b07e1fa27a225c2167fb7546901
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 679a35e49072c3184d4892066db3303347b9bf78d9b6668e434e40c404721b2f
[INFO] running `Command { std: "docker" "start" "-a" "679a35e49072c3184d4892066db3303347b9bf78d9b6668e434e40c404721b2f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde-ad9cb25ee60439a7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test ser::impls::test_format_u8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde
[INFO] [stdout] 
[INFO] [stdout] running 71 tests
[INFO] [stdout] test src/ser/fmt.rs - ser::fmt::&'a mut fmt::Formatter (line 20) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name serde --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde=/opt/rustwide/target/debug/deps/libserde-220fc5d0510ddf11.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-8fe885f1d4439ddc.so -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="std"' --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg iterator_try_fold --cfg num_nonzero --cfg serde_derive --cfg core_try_from --cfg num_nonzero_signed --cfg systemtime_checked_add --cfg std_atomic64 --cfg std_atomic --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "679a35e49072c3184d4892066db3303347b9bf78d9b6668e434e40c404721b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "679a35e49072c3184d4892066db3303347b9bf78d9b6668e434e40c404721b2f", kill_on_drop: false }`
[INFO] [stdout] 679a35e49072c3184d4892066db3303347b9bf78d9b6668e434e40c404721b2f