[INFO] fetching crate plagiarism-basic 1.0.0...
[INFO] checking plagiarism-basic-1.0.0 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate plagiarism-basic 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate plagiarism-basic 1.0.0 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] crate crates.io crate plagiarism-basic 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plagiarismbasic_lib v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ee6fd425a8de745af3d7f31c818aac35fd452edae83dfedf6055e4f1d93dccf
[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" "0ee6fd425a8de745af3d7f31c818aac35fd452edae83dfedf6055e4f1d93dccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ee6fd425a8de745af3d7f31c818aac35fd452edae83dfedf6055e4f1d93dccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee6fd425a8de745af3d7f31c818aac35fd452edae83dfedf6055e4f1d93dccf", kill_on_drop: false }`
[INFO] [stdout] 0ee6fd425a8de745af3d7f31c818aac35fd452edae83dfedf6055e4f1d93dccf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b162fd5a98c169b71acebf1458ca30cd71a8ac930646a3bd07b272421e6b863
[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" "0b162fd5a98c169b71acebf1458ca30cd71a8ac930646a3bd07b272421e6b863", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling memchr v2.2.1
[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 itoa v0.4.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]     Checking vec_map v0.8.1
[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 log v0.4.8
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking bit-set v0.2.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking pest v2.1.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking gcollections v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking intervallum v1.3.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.44
[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 53.55s
[INFO] running `Command { std: "docker" "inspect" "0b162fd5a98c169b71acebf1458ca30cd71a8ac930646a3bd07b272421e6b863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b162fd5a98c169b71acebf1458ca30cd71a8ac930646a3bd07b272421e6b863", kill_on_drop: false }`
[INFO] [stdout] 0b162fd5a98c169b71acebf1458ca30cd71a8ac930646a3bd07b272421e6b863