[INFO] fetching crate format_serde_error 0.3.0...
[INFO] testing format_serde_error-0.3.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[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 b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e45eebdd45f4db15770217cfd1113985ad9fd62c8aa0b1e95cab2b507604a19
[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" "8e45eebdd45f4db15770217cfd1113985ad9fd62c8aa0b1e95cab2b507604a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e45eebdd45f4db15770217cfd1113985ad9fd62c8aa0b1e95cab2b507604a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e45eebdd45f4db15770217cfd1113985ad9fd62c8aa0b1e95cab2b507604a19", kill_on_drop: false }`
[INFO] [stdout] 8e45eebdd45f4db15770217cfd1113985ad9fd62c8aa0b1e95cab2b507604a19
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29603da1be946be53b439eccf89e7d88d057089dc259d3381dc22ec674508016
[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" "29603da1be946be53b439eccf89e7d88d057089dc259d3381dc22ec674508016", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling quote v1.0.9
[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 29.20s
[INFO] running `Command { std: "docker" "inspect" "29603da1be946be53b439eccf89e7d88d057089dc259d3381dc22ec674508016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29603da1be946be53b439eccf89e7d88d057089dc259d3381dc22ec674508016", kill_on_drop: false }`
[INFO] [stdout] 29603da1be946be53b439eccf89e7d88d057089dc259d3381dc22ec674508016
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8364446dd34480a16f24390cb42998f2eab8a4c0922fa47cd938c8de689ee8bd
[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" "8364446dd34480a16f24390cb42998f2eab8a4c0922fa47cd938c8de689ee8bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff v0.1.12
[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 6.77s
[INFO] running `Command { std: "docker" "inspect" "8364446dd34480a16f24390cb42998f2eab8a4c0922fa47cd938c8de689ee8bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8364446dd34480a16f24390cb42998f2eab8a4c0922fa47cd938c8de689ee8bd", kill_on_drop: false }`
[INFO] [stdout] 8364446dd34480a16f24390cb42998f2eab8a4c0922fa47cd938c8de689ee8bd
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", 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] bf1b6f4fa119ea40ce4be02c3931956aa417f60f8855bdb0705ec14ef34adea5
[INFO] running `Command { std: "docker" "start" "-a" "bf1b6f4fa119ea40ce4be02c3931956aa417f60f8855bdb0705ec14ef34adea5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[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_without_context ... ok
[INFO] [stdout] test test::context_long_line::structured_line ... ok
[INFO] [stdout] test test::context_long_line::unicode_string ... ok
[INFO] [stdout] test test::custom::long_line ... ok
[INFO] [stdout] test test::custom::long_line_change_context_characters ... ok
[INFO] [stdout] test test::custom::short_line ... ok
[INFO] [stdout] test test::custom::short_line_change_no_line_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::json::empty_config_file_only_map ... ok
[INFO] [stdout] test test::json::unterminated_map ... ok
[INFO] [stdout] test test::custom::tabs_multiple_lines ... ok
[INFO] [stdout] test test::json::empty_config_file ... ok
[INFO] [stdout] test test::json::example_config_file ... ok
[INFO] [stdout] test test::context_long_line::short_line_using_context ... ok
[INFO] [stdout] test test::context_long_line::long_line_error_beginning ... ok
[INFO] [stdout] test test::context_long_line::last_char_is_error ... ok
[INFO] [stdout] test test::context_long_line::long_line_using_context ... ok
[INFO] [stdout] test test::yaml::empty_config_file ... ok
[INFO] [stdout] test test::yaml::example_config_file ... ok
[INFO] [stdout] test test::json::example_config_file_pretty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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 1.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf1b6f4fa119ea40ce4be02c3931956aa417f60f8855bdb0705ec14ef34adea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf1b6f4fa119ea40ce4be02c3931956aa417f60f8855bdb0705ec14ef34adea5", kill_on_drop: false }`
[INFO] [stdout] bf1b6f4fa119ea40ce4be02c3931956aa417f60f8855bdb0705ec14ef34adea5