[INFO] fetching crate format_serde_error 0.3.0...
[INFO] testing format_serde_error-0.3.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate format_serde_error 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate format_serde_error 0.3.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate format_serde_error 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate format_serde_error 0.3.0
[INFO] tweaked toml for crates.io crate format_serde_error 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate format_serde_error 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5ba75722cfac7a626e2f42888eb6fecd0ca3101f3db3379e4e5dcc1cf06551e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e5ba75722cfac7a626e2f42888eb6fecd0ca3101f3db3379e4e5dcc1cf06551e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5ba75722cfac7a626e2f42888eb6fecd0ca3101f3db3379e4e5dcc1cf06551e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ba75722cfac7a626e2f42888eb6fecd0ca3101f3db3379e4e5dcc1cf06551e", kill_on_drop: false }`
[INFO] [stdout] e5ba75722cfac7a626e2f42888eb6fecd0ca3101f3db3379e4e5dcc1cf06551e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f18a0bbfeef90a9a9695a892e48adffb7f2eb11337b58d0861598d27fbf48cb2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f18a0bbfeef90a9a9695a892e48adffb7f2eb11337b58d0861598d27fbf48cb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling format_serde_error v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.03s
[INFO] running `Command { std: "docker" "inspect" "f18a0bbfeef90a9a9695a892e48adffb7f2eb11337b58d0861598d27fbf48cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f18a0bbfeef90a9a9695a892e48adffb7f2eb11337b58d0861598d27fbf48cb2", kill_on_drop: false }`
[INFO] [stdout] f18a0bbfeef90a9a9695a892e48adffb7f2eb11337b58d0861598d27fbf48cb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5e0b30724f2b228453d87c2e943dc4563d722193623cc76c8f994c6fdedb9b7d
[INFO] running `Command { std: "docker" "start" "-a" "5e0b30724f2b228453d87c2e943dc4563d722193623cc76c8f994c6fdedb9b7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling pretty_assertions v0.7.2
[INFO] [stderr]    Compiling format_serde_error v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `Command { std: "docker" "inspect" "5e0b30724f2b228453d87c2e943dc4563d722193623cc76c8f994c6fdedb9b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e0b30724f2b228453d87c2e943dc4563d722193623cc76c8f994c6fdedb9b7d", kill_on_drop: false }`
[INFO] [stdout] 5e0b30724f2b228453d87c2e943dc4563d722193623cc76c8f994c6fdedb9b7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c41407367419d051a4062144b5a46a6d57b8413ff53e5004ea830616d81fb60
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4c41407367419d051a4062144b5a46a6d57b8413ff53e5004ea830616d81fb60", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/format_serde_error-bde04a5e03b786cc)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test test::context_long_line::graphemes_string ... ok
[INFO] [stdout] test test::context_long_line::short_line_using_context ... ok
[INFO] [stdout] test test::context_long_line::last_char_is_error ... ok
[INFO] [stdout] test test::context_long_line::unicode_string ... ok
[INFO] [stdout] test test::custom::short_line_change_no_line_context ... ok
[INFO] [stdout] test test::custom::short_line ... ok
[INFO] [stdout] test test::context_long_line::short_line_without_context ... ok
[INFO] [stdout] test test::custom::short_line_disable_context ... ok
[INFO] [stdout] test test::custom::tabs_single_line ... ok
[INFO] [stdout] test test::custom::long_line ... ok
[INFO] [stdout] test test::context_long_line::long_line_error_beginning ... ok
[INFO] [stdout] test test::context_long_line::structured_line ... ok
[INFO] [stdout] test test::custom::tabs_multiple_lines ... ok
[INFO] [stdout] test test::json::empty_config_file_only_map ... ok
[INFO] [stdout] test test::context_long_line::long_line_using_context ... ok
[INFO] [stdout] test test::json::empty_config_file ... ok
[INFO] [stdout] test test::json::unterminated_map ... ok
[INFO] [stdout] test test::yaml::empty_config_file ... ok
[INFO] [stdout] test test::custom::long_line_change_context_characters ... ok
[INFO] [stdout] test test::json::example_config_file_pretty ... ok
[INFO] [stdout] test test::json::example_config_file ... ok
[INFO] [stdout] test test::yaml::example_config_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests format_serde_error
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.93s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c41407367419d051a4062144b5a46a6d57b8413ff53e5004ea830616d81fb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c41407367419d051a4062144b5a46a6d57b8413ff53e5004ea830616d81fb60", kill_on_drop: false }`
[INFO] [stdout] 4c41407367419d051a4062144b5a46a6d57b8413ff53e5004ea830616d81fb60