[INFO] fetching crate plagiarism-basic 1.0.0...
[INFO] testing plagiarism-basic-1.0.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate plagiarism-basic 1.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate plagiarism-basic 1.0.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atty v0.2.13
[INFO] [stderr]   Downloaded ryu v1.0.2
[INFO] [stderr]   Downloaded fs_extra v1.1.0
[INFO] [stderr]   Downloaded num-traits v0.2.10
[INFO] [stderr]   Downloaded num-integer v0.1.41
[INFO] [stderr]   Downloaded bit-vec v0.6.1
[INFO] [stderr]   Downloaded aho-corasick v0.7.6
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded handlebars v2.0.2
[INFO] [stderr]   Downloaded sha-1 v0.8.1
[INFO] [stderr]   Downloaded generic-array v0.12.3
[INFO] [stderr]   Downloaded pest v2.1.2
[INFO] [stderr]   Downloaded ucd-trie v0.1.2
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded trilean v1.0.1
[INFO] [stderr]   Downloaded winapi-util v0.1.2
[INFO] [stderr]   Downloaded typenum v1.11.2
[INFO] [stderr]   Downloaded pest_meta v2.1.2
[INFO] [stderr]   Downloaded pest_generator v2.1.1
[INFO] [stderr]   Downloaded memchr v2.2.1
[INFO] [stderr]   Downloaded same-file v1.0.5
[INFO] [stderr]   Downloaded num-iter v0.1.39
[INFO] [stderr]   Downloaded itoa v0.4.4
[INFO] [stderr]   Downloaded syn v1.0.11
[INFO] [stderr]   Downloaded regex v1.3.1
[INFO] [stderr]   Downloaded serde_json v1.0.44
[INFO] [stderr]   Downloaded proc-macro2 v1.0.6
[INFO] [stderr]   Downloaded regex-syntax v0.6.12
[INFO] [stderr]   Downloaded walkdir v2.2.9
[INFO] [stderr]   Downloaded plagiarismbasic_lib v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db5ef6ed96466f6a3bd6cd94704ac1109a13e75a28755ecd0886a913f44dd9ee
[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" "db5ef6ed96466f6a3bd6cd94704ac1109a13e75a28755ecd0886a913f44dd9ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db5ef6ed96466f6a3bd6cd94704ac1109a13e75a28755ecd0886a913f44dd9ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db5ef6ed96466f6a3bd6cd94704ac1109a13e75a28755ecd0886a913f44dd9ee", kill_on_drop: false }`
[INFO] [stdout] db5ef6ed96466f6a3bd6cd94704ac1109a13e75a28755ecd0886a913f44dd9ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 82d86c68ae2e32fc26042a7f37ac9ca28c499341f61b14e0f1c4d0ee24a81101
[INFO] running `Command { std: "docker" "start" "-a" "82d86c68ae2e32fc26042a7f37ac9ca28c499341f61b14e0f1c4d0ee24a81101", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling bit-vec v0.6.1
[INFO] [stderr]    Compiling trilean v1.0.1
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling 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]    Compiling pest v2.1.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling bit-set v0.2.0
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling gcollections v1.4.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling intervallum v1.3.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling hashbrown v0.5.0
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling handlebars v2.0.2
[INFO] [stderr]    Compiling plagiarismbasic_lib v1.0.0
[INFO] [stderr]    Compiling plagiarism-basic v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.94s
[INFO] running `Command { std: "docker" "inspect" "82d86c68ae2e32fc26042a7f37ac9ca28c499341f61b14e0f1c4d0ee24a81101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82d86c68ae2e32fc26042a7f37ac9ca28c499341f61b14e0f1c4d0ee24a81101", kill_on_drop: false }`
[INFO] [stdout] 82d86c68ae2e32fc26042a7f37ac9ca28c499341f61b14e0f1c4d0ee24a81101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 70e847920e89d390bf7f5a6987ce035fc64decfc6affeed26d0dea3cf21d3e63
[INFO] running `Command { std: "docker" "start" "-a" "70e847920e89d390bf7f5a6987ce035fc64decfc6affeed26d0dea3cf21d3e63", kill_on_drop: false }`
[INFO] [stderr]    Compiling plagiarism-basic v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "70e847920e89d390bf7f5a6987ce035fc64decfc6affeed26d0dea3cf21d3e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70e847920e89d390bf7f5a6987ce035fc64decfc6affeed26d0dea3cf21d3e63", kill_on_drop: false }`
[INFO] [stdout] 70e847920e89d390bf7f5a6987ce035fc64decfc6affeed26d0dea3cf21d3e63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5769d85649df497a1984efa5ebcfd6826dc7a3565a6d3805d40f257131102e2
[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" "f5769d85649df497a1984efa5ebcfd6826dc7a3565a6d3805d40f257131102e2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/plagiarism_basic-c669bceb232575e1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f5769d85649df497a1984efa5ebcfd6826dc7a3565a6d3805d40f257131102e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5769d85649df497a1984efa5ebcfd6826dc7a3565a6d3805d40f257131102e2", kill_on_drop: false }`
[INFO] [stdout] f5769d85649df497a1984efa5ebcfd6826dc7a3565a6d3805d40f257131102e2