[INFO] cloning repository https://github.com/noxabellus/lexer-io-perf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noxabellus/lexer-io-perf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoxabellus%2Flexer-io-perf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoxabellus%2Flexer-io-perf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d639566d8a2c91c4e5b3e4067d634e47ac6cf5d
[INFO] testing noxabellus/lexer-io-perf against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoxabellus%2Flexer-io-perf" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/noxabellus/lexer-io-perf on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/noxabellus/lexer-io-perf
[INFO] finished tweaking git repo https://github.com/noxabellus/lexer-io-perf
[INFO] tweaked toml for git repo https://github.com/noxabellus/lexer-io-perf written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/noxabellus/lexer-io-perf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfbf2c7c56bcd971248c1e2ceba8c2107b716caf3ceaa9537f39755c6f14bb9d
[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" "cfbf2c7c56bcd971248c1e2ceba8c2107b716caf3ceaa9537f39755c6f14bb9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfbf2c7c56bcd971248c1e2ceba8c2107b716caf3ceaa9537f39755c6f14bb9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfbf2c7c56bcd971248c1e2ceba8c2107b716caf3ceaa9537f39755c6f14bb9d", kill_on_drop: false }`
[INFO] [stdout] cfbf2c7c56bcd971248c1e2ceba8c2107b716caf3ceaa9537f39755c6f14bb9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] 1e41b803e7b9401ae4d380b54a963e2eeffd7f558b967e93123cc0b6e5007bf6
[INFO] running `Command { std: "docker" "start" "-a" "1e41b803e7b9401ae4d380b54a963e2eeffd7f558b967e93123cc0b6e5007bf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling lexer-io-perf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `Command { std: "docker" "inspect" "1e41b803e7b9401ae4d380b54a963e2eeffd7f558b967e93123cc0b6e5007bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e41b803e7b9401ae4d380b54a963e2eeffd7f558b967e93123cc0b6e5007bf6", kill_on_drop: false }`
[INFO] [stdout] 1e41b803e7b9401ae4d380b54a963e2eeffd7f558b967e93123cc0b6e5007bf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] aae1d3853f7748361a18eff36aa15146ac35e1d380067f520bd69894e0c6cfd2
[INFO] running `Command { std: "docker" "start" "-a" "aae1d3853f7748361a18eff36aa15146ac35e1d380067f520bd69894e0c6cfd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling lexer-io-perf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "aae1d3853f7748361a18eff36aa15146ac35e1d380067f520bd69894e0c6cfd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aae1d3853f7748361a18eff36aa15146ac35e1d380067f520bd69894e0c6cfd2", kill_on_drop: false }`
[INFO] [stdout] aae1d3853f7748361a18eff36aa15146ac35e1d380067f520bd69894e0c6cfd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c589f8b38a846a90d3c4226ed2a0b53757d8c71e095f7ca06e84312ecbb5bc6d
[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" "c589f8b38a846a90d3c4226ed2a0b53757d8c71e095f7ca06e84312ecbb5bc6d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lexer_io_perf-c9d113e8ce8568d6)
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::bench_mmap ... ok
[INFO] [stdout] test tests::bench_buffered_reader_1mb ... ok
[INFO] [stdout] test tests::bench_read_to_string ... ok
[INFO] [stdout] test tests::test_buffered_reader_1mb ... ok
[INFO] [stdout] test tests::test_mmap ... ok
[INFO] [stdout] test tests::bench_buffered_reader_1kb ... ok
[INFO] [stdout] test tests::test_buffered_reader_1kb ... ok
[INFO] [stdout] test tests::bench_read_to_vec ... ok
[INFO] [stdout] test tests::test_read_to_vec ... ok
[INFO] [stdout] test tests::test_read_to_string ... ok
[INFO] [stdout] test tests::test_byte_reader ... ok
[INFO] [stdout] test tests::bench_byte_reader ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.38s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lexer-io-perf
[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" "c589f8b38a846a90d3c4226ed2a0b53757d8c71e095f7ca06e84312ecbb5bc6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c589f8b38a846a90d3c4226ed2a0b53757d8c71e095f7ca06e84312ecbb5bc6d", kill_on_drop: false }`
[INFO] [stdout] c589f8b38a846a90d3c4226ed2a0b53757d8c71e095f7ca06e84312ecbb5bc6d