[INFO] fetching crate plagiarism-basic 1.0.0...
[INFO] checking plagiarism-basic-1.0.0 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate plagiarism-basic 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate plagiarism-basic 1.0.0 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate plagiarism-basic 1.0.0
[INFO] finished tweaking crates.io crate plagiarism-basic 1.0.0
[INFO] tweaked toml for crates.io crate plagiarism-basic 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate plagiarism-basic 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plagiarismbasic_lib v1.0.0
[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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] fce1e858b2d6e499bd6c620349a849ce1c497dde7d9290ec30740a0dbbd66423
[INFO] running `"docker" "start" "-a" "fce1e858b2d6e499bd6c620349a849ce1c497dde7d9290ec30740a0dbbd66423"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking trilean v1.0.1
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking bit-set v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking gcollections v1.4.0
[INFO] [stderr]     Checking intervallum v1.3.0
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking handlebars v2.0.2
[INFO] [stderr]     Checking plagiarismbasic_lib v1.0.0
[INFO] [stderr]     Checking plagiarism-basic v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.71s
[INFO] running `"docker" "inspect" "fce1e858b2d6e499bd6c620349a849ce1c497dde7d9290ec30740a0dbbd66423"`
[INFO] running `"docker" "rm" "-f" "fce1e858b2d6e499bd6c620349a849ce1c497dde7d9290ec30740a0dbbd66423"`
[INFO] [stdout] fce1e858b2d6e499bd6c620349a849ce1c497dde7d9290ec30740a0dbbd66423