[INFO] cloning repository https://github.com/sts10/prefix_checkers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sts10/prefix_checkers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Fprefix_checkers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Fprefix_checkers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 098a41ff8c938793f9f0403d90ac769ef6cf82b5
[INFO] testing sts10/prefix_checkers against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Fprefix_checkers" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sts10/prefix_checkers on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sts10/prefix_checkers
[INFO] finished tweaking git repo https://github.com/sts10/prefix_checkers
[INFO] tweaked toml for git repo https://github.com/sts10/prefix_checkers written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/sts10/prefix_checkers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09db0285a64215349acb93bdc6b33deb84f66ea09b72eda5cb30dbff1e4c2fdc
[INFO] running `Command { std: "docker" "start" "-a" "09db0285a64215349acb93bdc6b33deb84f66ea09b72eda5cb30dbff1e4c2fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09db0285a64215349acb93bdc6b33deb84f66ea09b72eda5cb30dbff1e4c2fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09db0285a64215349acb93bdc6b33deb84f66ea09b72eda5cb30dbff1e4c2fdc", kill_on_drop: false }`
[INFO] [stdout] 09db0285a64215349acb93bdc6b33deb84f66ea09b72eda5cb30dbff1e4c2fdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77adeea93448f29c0f4702f8f5ca727de6be73a9d3e73a0067025664911a52fc
[INFO] running `Command { std: "docker" "start" "-a" "77adeea93448f29c0f4702f8f5ca727de6be73a9d3e73a0067025664911a52fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling fst v0.4.6
[INFO] [stderr]    Compiling prefix_checkers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.85s
[INFO] running `Command { std: "docker" "inspect" "77adeea93448f29c0f4702f8f5ca727de6be73a9d3e73a0067025664911a52fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77adeea93448f29c0f4702f8f5ca727de6be73a9d3e73a0067025664911a52fc", kill_on_drop: false }`
[INFO] [stdout] 77adeea93448f29c0f4702f8f5ca727de6be73a9d3e73a0067025664911a52fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1c859dc799bab718989325008d9fe182cf3521d1123a159e1bd8b50dfe6fd50
[INFO] running `Command { std: "docker" "start" "-a" "f1c859dc799bab718989325008d9fe182cf3521d1123a159e1bd8b50dfe6fd50", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling plotters-svg v0.3.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling plotters v0.3.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling prefix_checkers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.10s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/prefix_checkers-cbebb2db180425fd)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/prefix_checkers-dcd9e09f6ef5d7f0)
[INFO] running `Command { std: "docker" "inspect" "f1c859dc799bab718989325008d9fe182cf3521d1123a159e1bd8b50dfe6fd50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1c859dc799bab718989325008d9fe182cf3521d1123a159e1bd8b50dfe6fd50", kill_on_drop: false }`
[INFO] [stdout] f1c859dc799bab718989325008d9fe182cf3521d1123a159e1bd8b50dfe6fd50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 65dfe6d708bcdc468625935cd6b57cb33cfc75d1eeb5a4a2253bfe05b848f352
[INFO] running `Command { std: "docker" "start" "-a" "65dfe6d708bcdc468625935cd6b57cb33cfc75d1eeb5a4a2253bfe05b848f352", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prefix_checkers-cbebb2db180425fd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::can_remove_prefix_words ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/prefix_checkers-dcd9e09f6ef5d7f0)
[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] [stderr]    Doc-tests prefix_checkers
[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 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "65dfe6d708bcdc468625935cd6b57cb33cfc75d1eeb5a4a2253bfe05b848f352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65dfe6d708bcdc468625935cd6b57cb33cfc75d1eeb5a4a2253bfe05b848f352", kill_on_drop: false }`
[INFO] [stdout] 65dfe6d708bcdc468625935cd6b57cb33cfc75d1eeb5a4a2253bfe05b848f352