[INFO] cloning repository https://github.com/vs-123/Auctan
[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/Auctan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvs-123%2FAuctan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvs-123%2FAuctan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 309763d01d75650761d1e99c5048bc2776424225
[INFO] testing vs-123/Auctan against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvs-123%2FAuctan" "/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/vs-123/Auctan on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vs-123/Auctan
[INFO] finished tweaking git repo https://github.com/vs-123/Auctan
[INFO] tweaked toml for git repo https://github.com/vs-123/Auctan written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/vs-123/Auctan already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 187000174b67478382d6e375a3c84d4dc695d72c870af1c33c82e1365a4d4206
[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" "187000174b67478382d6e375a3c84d4dc695d72c870af1c33c82e1365a4d4206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "187000174b67478382d6e375a3c84d4dc695d72c870af1c33c82e1365a4d4206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "187000174b67478382d6e375a3c84d4dc695d72c870af1c33c82e1365a4d4206", kill_on_drop: false }`
[INFO] [stdout] 187000174b67478382d6e375a3c84d4dc695d72c870af1c33c82e1365a4d4206
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 8a68846d2c0509f06ebb5fe6ed2564dc15f5a8209466ce2bf0f9075ef379f830
[INFO] running `Command { std: "docker" "start" "-a" "8a68846d2c0509f06ebb5fe6ed2564dc15f5a8209466ce2bf0f9075ef379f830", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling lalrpop-util v0.19.6
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling string_cache v0.8.2
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling lalrpop v0.19.6
[INFO] [stderr]    Compiling auctan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_into_inner)]
[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 `auctan` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8a68846d2c0509f06ebb5fe6ed2564dc15f5a8209466ce2bf0f9075ef379f830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a68846d2c0509f06ebb5fe6ed2564dc15f5a8209466ce2bf0f9075ef379f830", kill_on_drop: false }`
[INFO] [stdout] 8a68846d2c0509f06ebb5fe6ed2564dc15f5a8209466ce2bf0f9075ef379f830