[INFO] cloning repository https://github.com/vs-123/language-differentiator-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vs-123/language-differentiator-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvs-123%2Flanguage-differentiator-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvs-123%2Flanguage-differentiator-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26c006aa7c794abc97d238fc057d639177d72bbf
[INFO] testing vs-123/language-differentiator-rs against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvs-123%2Flanguage-differentiator-rs" "/workspace/builds/worker-91/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-91/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vs-123/language-differentiator-rs on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vs-123/language-differentiator-rs
[INFO] finished tweaking git repo https://github.com/vs-123/language-differentiator-rs
[INFO] tweaked toml for git repo https://github.com/vs-123/language-differentiator-rs written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate git repo https://github.com/vs-123/language-differentiator-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.130
[INFO] [stderr]   Downloaded num v0.3.1
[INFO] [stderr]   Downloaded num-complex v0.3.1
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded num-bigint v0.3.3
[INFO] [stderr]   Downloaded libm v0.2.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.15
[INFO] [stderr]   Downloaded proc-macro2 v1.0.32
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded syn v1.0.81
[INFO] [stderr]   Downloaded serde_derive v1.0.130
[INFO] [stderr]   Downloaded smartcore v0.2.0
[INFO] [stderr]   Downloaded libc v0.2.107
[INFO] [stderr]   Downloaded rand_distr v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ac4bfc9d0395e0ec7ece7e7934d2d5d830dfa94047d61554fa0aa4b665a788d
[INFO] running `Command { std: "docker" "start" "-a" "8ac4bfc9d0395e0ec7ece7e7934d2d5d830dfa94047d61554fa0aa4b665a788d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ac4bfc9d0395e0ec7ece7e7934d2d5d830dfa94047d61554fa0aa4b665a788d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac4bfc9d0395e0ec7ece7e7934d2d5d830dfa94047d61554fa0aa4b665a788d", kill_on_drop: false }`
[INFO] [stdout] 8ac4bfc9d0395e0ec7ece7e7934d2d5d830dfa94047d61554fa0aa4b665a788d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe8995f6f811a7806e184f27c9e1034efe0bb2e49164d393a45537c708d078c3
[INFO] running `Command { std: "docker" "start" "-a" "fe8995f6f811a7806e184f27c9e1034efe0bb2e49164d393a45537c708d078c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling rand_distr v0.3.0
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling smartcore v0.2.0
[INFO] [stderr]    Compiling language-differentiator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "fe8995f6f811a7806e184f27c9e1034efe0bb2e49164d393a45537c708d078c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe8995f6f811a7806e184f27c9e1034efe0bb2e49164d393a45537c708d078c3", kill_on_drop: false }`
[INFO] [stdout] fe8995f6f811a7806e184f27c9e1034efe0bb2e49164d393a45537c708d078c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea7341ecfb5837e561e012deb4a5d9a42ef93adf764fdabfbf2343732dc5b68e
[INFO] running `Command { std: "docker" "start" "-a" "ea7341ecfb5837e561e012deb4a5d9a42ef93adf764fdabfbf2343732dc5b68e", kill_on_drop: false }`
[INFO] [stderr]    Compiling language-differentiator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "ea7341ecfb5837e561e012deb4a5d9a42ef93adf764fdabfbf2343732dc5b68e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea7341ecfb5837e561e012deb4a5d9a42ef93adf764fdabfbf2343732dc5b68e", kill_on_drop: false }`
[INFO] [stdout] ea7341ecfb5837e561e012deb4a5d9a42ef93adf764fdabfbf2343732dc5b68e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2879f372363e90086678c8510e0f451c5f83f81a021699f7d50a5f7a30fd14f6
[INFO] running `Command { std: "docker" "start" "-a" "2879f372363e90086678c8510e0f451c5f83f81a021699f7d50a5f7a30fd14f6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/language_differentiator-09752917f1666f14)
[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" "2879f372363e90086678c8510e0f451c5f83f81a021699f7d50a5f7a30fd14f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2879f372363e90086678c8510e0f451c5f83f81a021699f7d50a5f7a30fd14f6", kill_on_drop: false }`
[INFO] [stdout] 2879f372363e90086678c8510e0f451c5f83f81a021699f7d50a5f7a30fd14f6