[INFO] fetching crate plagiarismbasic_lib 1.0.0...
[INFO] checking plagiarismbasic_lib-1.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate plagiarismbasic_lib 1.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate plagiarismbasic_lib 1.0.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate plagiarismbasic_lib 1.0.0
[INFO] finished tweaking crates.io crate plagiarismbasic_lib 1.0.0
[INFO] tweaked toml for crates.io crate plagiarismbasic_lib 1.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 88 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding criterion v0.3.6 (latest: v0.5.1)
[INFO] [stderr]       Adding criterion-macro v0.3.4 (latest: v0.4.0)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (latest: v0.5.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.0)
[INFO] [stderr]       Adding handlebars v2.0.4 (latest: v5.1.2)
[INFO] [stderr]       Adding hashbrown v0.5.0 (latest: v0.14.3)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding strsim v0.9.3 (latest: v0.11.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trilean v1.1.0
[INFO] [stderr]   Downloaded gcollections v1.5.0
[INFO] [stderr]   Downloaded criterion-macro v0.3.4
[INFO] [stderr]   Downloaded intervallum v1.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5e7f18d287c0ab3261a18edeeeac90899c555f0fc8a5d137daa777076d3a4a4
[INFO] running `Command { std: "docker" "start" "-a" "b5e7f18d287c0ab3261a18edeeeac90899c555f0fc8a5d137daa777076d3a4a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5e7f18d287c0ab3261a18edeeeac90899c555f0fc8a5d137daa777076d3a4a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e7f18d287c0ab3261a18edeeeac90899c555f0fc8a5d137daa777076d3a4a4", kill_on_drop: false }`
[INFO] [stdout] b5e7f18d287c0ab3261a18edeeeac90899c555f0fc8a5d137daa777076d3a4a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9be5dd6688fceafa8aeaf00c311d5846090993a9b6f8ce8f40e3205d6d3dc64
[INFO] running `Command { std: "docker" "start" "-a" "a9be5dd6688fceafa8aeaf00c311d5846090993a9b6f8ce8f40e3205d6d3dc64", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking trilean v1.1.0
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fs_extra v1.3.0
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking gcollections v1.5.0
[INFO] [stderr]     Checking intervallum v1.4.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling criterion-macro v0.3.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling pest v2.7.9
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]    Compiling pest_meta v2.7.9
[INFO] [stderr]    Compiling pest_generator v2.7.9
[INFO] [stderr]    Compiling pest_derive v2.7.9
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking handlebars v2.0.4
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking plagiarismbasic_lib v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `fs_extra` is imported redundantly
[INFO] [stdout]  --> src/result_output_html.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use fs_extra;
[INFO] [stdout]   |     ^^^^^^^^ the item `fs_extra` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `fs_extra` is imported redundantly
[INFO] [stdout]  --> src/result_output_html.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use fs_extra;
[INFO] [stdout]   |     ^^^^^^^^ the item `fs_extra` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.91s
[INFO] running `Command { std: "docker" "inspect" "a9be5dd6688fceafa8aeaf00c311d5846090993a9b6f8ce8f40e3205d6d3dc64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9be5dd6688fceafa8aeaf00c311d5846090993a9b6f8ce8f40e3205d6d3dc64", kill_on_drop: false }`
[INFO] [stdout] a9be5dd6688fceafa8aeaf00c311d5846090993a9b6f8ce8f40e3205d6d3dc64