[INFO] fetching crate lumberjack-utils 0.3.1...
[INFO] checking lumberjack-utils-0.3.1 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate lumberjack-utils 0.3.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate lumberjack-utils 0.3.1 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lumberjack-utils 0.3.1
[INFO] finished tweaking crates.io crate lumberjack-utils 0.3.1
[INFO] tweaked toml for crates.io crate lumberjack-utils 0.3.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0c3961463dd2baa4b0fba20308618825128cd49095fcc2478c2982d638fae44e
[INFO] running `"docker" "start" "-a" "0c3961463dd2baa4b0fba20308618825128cd49095fcc2478c2982d638fae44e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking lazy-init v0.3.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking stdinout v0.4.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking conllx v0.11.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking lumberjack v0.3.1
[INFO] [stderr]     Checking lumberjack-utils v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/lumberjack-conversion.rs:178:10
[INFO] [stderr]     |
[INFO] [stderr] 178 | ) -> Box<Iterator<Item = Result<Tree, Error>> + 'a>
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<Tree, Error>> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/lumberjack-conversion.rs:209:63
[INFO] [stderr]     |
[INFO] [stderr] 209 | fn get_writer<'a, W>(out_format: OutFormat, writer: W) -> Box<WriteTree + 'a>
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn WriteTree + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/lumberjack-conversion.rs:178:10
[INFO] [stderr]     |
[INFO] [stderr] 178 | ) -> Box<Iterator<Item = Result<Tree, Error>> + 'a>
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<Tree, Error>> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/lumberjack-conversion.rs:209:63
[INFO] [stderr]     |
[INFO] [stderr] 209 | fn get_writer<'a, W>(out_format: OutFormat, writer: W) -> Box<WriteTree + 'a>
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn WriteTree + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.92s
[INFO] running `"docker" "inspect" "0c3961463dd2baa4b0fba20308618825128cd49095fcc2478c2982d638fae44e"`
[INFO] running `"docker" "rm" "-f" "0c3961463dd2baa4b0fba20308618825128cd49095fcc2478c2982d638fae44e"`
[INFO] [stdout] 0c3961463dd2baa4b0fba20308618825128cd49095fcc2478c2982d638fae44e