[INFO] fetching crate flexi_logger 0.16.2...
[INFO] testing flexi_logger-0.16.2 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate flexi_logger 0.16.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate flexi_logger 0.16.2 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flexi_logger 0.16.2
[INFO] finished tweaking crates.io crate flexi_logger 0.16.2
[INFO] tweaked toml for crates.io crate flexi_logger 0.16.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate flexi_logger 0.16.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 421bb08cf32060b97f36eb960ca68fffed72e5f076b51044f4e41dcfee0a8f98
[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" "421bb08cf32060b97f36eb960ca68fffed72e5f076b51044f4e41dcfee0a8f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "421bb08cf32060b97f36eb960ca68fffed72e5f076b51044f4e41dcfee0a8f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "421bb08cf32060b97f36eb960ca68fffed72e5f076b51044f4e41dcfee0a8f98", kill_on_drop: false }`
[INFO] [stdout] 421bb08cf32060b97f36eb960ca68fffed72e5f076b51044f4e41dcfee0a8f98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 716964dee7b5876720a266aa30370f8820d33728e473d19712c9e7f3fa0836cd
[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" "716964dee7b5876720a266aa30370f8820d33728e473d19712c9e7f3fa0836cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling flexi_logger v0.16.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.51s
[INFO] running `Command { std: "docker" "inspect" "716964dee7b5876720a266aa30370f8820d33728e473d19712c9e7f3fa0836cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "716964dee7b5876720a266aa30370f8820d33728e473d19712c9e7f3fa0836cd", kill_on_drop: false }`
[INFO] [stdout] 716964dee7b5876720a266aa30370f8820d33728e473d19712c9e7f3fa0836cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a285dbfbfc37197e101b9d93f5ec990b87bc84a6571e60d840f45c247fff31b
[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" "4a285dbfbfc37197e101b9d93f5ec990b87bc84a6571e60d840f45c247fff31b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling semver-parser v0.9.0
[INFO] [stderr]    Compiling tinyvec v1.0.1
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling unicode-normalization v0.1.15
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling version-sync v0.9.1
[INFO] [stderr]    Compiling flexi_logger v0.16.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `flexi_logger`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name flexi_logger --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="atty"' --cfg 'feature="colors"' --cfg 'feature="default"' --cfg 'feature="lazy_static"' --cfg 'feature="regex"' --cfg 'feature="textfilter"' --cfg 'feature="yansi"' -C metadata=ff93400f84452f12 -C extra-filename=-ff93400f84452f12 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atty=/opt/rustwide/target/debug/deps/libatty-e9990643e384daa5.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-b345fd723829ae61.rlib --extern glob=/opt/rustwide/target/debug/deps/libglob-c57da5286c7fae6e.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-cd2401a06b1676f6.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-4bf1047162af990b.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-8233158ab52a94b3.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-d1bbc67187da9b82.so --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-9bf3e25fee535b6a.rlib --extern version_sync=/opt/rustwide/target/debug/deps/libversion_sync-2af429f8d398d7da.rlib --extern yansi=/opt/rustwide/target/debug/deps/libyansi-35940f0a6c4fd250.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4a285dbfbfc37197e101b9d93f5ec990b87bc84a6571e60d840f45c247fff31b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a285dbfbfc37197e101b9d93f5ec990b87bc84a6571e60d840f45c247fff31b", kill_on_drop: false }`
[INFO] [stdout] 4a285dbfbfc37197e101b9d93f5ec990b87bc84a6571e60d840f45c247fff31b