[INFO] cloning repository https://github.com/kuniyoshi/one_seek_one_read
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kuniyoshi/one_seek_one_read" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuniyoshi%2Fone_seek_one_read", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuniyoshi%2Fone_seek_one_read'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a37c8015d1b4f498fb14850ab8954a971f9dab17
[INFO] testing kuniyoshi/one_seek_one_read against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuniyoshi%2Fone_seek_one_read" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kuniyoshi/one_seek_one_read on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kuniyoshi/one_seek_one_read
[INFO] finished tweaking git repo https://github.com/kuniyoshi/one_seek_one_read
[INFO] tweaked toml for git repo https://github.com/kuniyoshi/one_seek_one_read written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/kuniyoshi/one_seek_one_read already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hex v0.4.1
[INFO] [stderr]   Downloaded derive_utils v0.9.1
[INFO] [stderr]   Downloaded auto_enums_core v0.7.1
[INFO] [stderr]   Downloaded auto_enums_derive v0.7.1
[INFO] [stderr]   Downloaded auto_enums v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a8cad601ae87d81624ab6592e6a66d29e1c528441dead9463a3fc1c7dcb4870
[INFO] running `Command { std: "docker" "start" "-a" "3a8cad601ae87d81624ab6592e6a66d29e1c528441dead9463a3fc1c7dcb4870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a8cad601ae87d81624ab6592e6a66d29e1c528441dead9463a3fc1c7dcb4870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a8cad601ae87d81624ab6592e6a66d29e1c528441dead9463a3fc1c7dcb4870", kill_on_drop: false }`
[INFO] [stdout] 3a8cad601ae87d81624ab6592e6a66d29e1c528441dead9463a3fc1c7dcb4870
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71045b4dff1359ae1214638bf1e0990de4ddbe65811fbfdb2dc166f210a23291
[INFO] running `Command { std: "docker" "start" "-a" "71045b4dff1359ae1214638bf1e0990de4ddbe65811fbfdb2dc166f210a23291", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling auto_enums_derive v0.7.1
[INFO] [stderr]    Compiling hex v0.4.1
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling derive_utils v0.9.1
[INFO] [stderr]    Compiling auto_enums_core v0.7.1
[INFO] [stderr]    Compiling auto_enums v0.7.1
[INFO] [stderr]    Compiling one_seek_one_read v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.89s
[INFO] running `Command { std: "docker" "inspect" "71045b4dff1359ae1214638bf1e0990de4ddbe65811fbfdb2dc166f210a23291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71045b4dff1359ae1214638bf1e0990de4ddbe65811fbfdb2dc166f210a23291", kill_on_drop: false }`
[INFO] [stdout] 71045b4dff1359ae1214638bf1e0990de4ddbe65811fbfdb2dc166f210a23291
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7b558d4d3ffcf0b5e32d8d478e0afe8dcf5d09a85adcf1a208bfffe032f0af2
[INFO] running `Command { std: "docker" "start" "-a" "c7b558d4d3ffcf0b5e32d8d478e0afe8dcf5d09a85adcf1a208bfffe032f0af2", kill_on_drop: false }`
[INFO] [stderr]    Compiling one_seek_one_read v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> tests/lib.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature( test )]
[INFO] [stdout]   |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `one_seek_one_read` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c7b558d4d3ffcf0b5e32d8d478e0afe8dcf5d09a85adcf1a208bfffe032f0af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7b558d4d3ffcf0b5e32d8d478e0afe8dcf5d09a85adcf1a208bfffe032f0af2", kill_on_drop: false }`
[INFO] [stdout] c7b558d4d3ffcf0b5e32d8d478e0afe8dcf5d09a85adcf1a208bfffe032f0af2