[INFO] cloning repository https://github.com/gauteh/landmask
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gauteh/landmask" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgauteh%2Flandmask", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgauteh%2Flandmask'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5461521ae554ae99c992e1f8747706a4a5c6b990
[INFO] testing gauteh/landmask against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgauteh%2Flandmask" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gauteh/landmask on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gauteh/landmask
[INFO] finished tweaking git repo https://github.com/gauteh/landmask
[INFO] tweaked toml for git repo https://github.com/gauteh/landmask written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/gauteh/landmask already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2637215fc2b3cd1bf70cf99daf1accf77e4b9f59a5e772d50aa9fc8b643d5fa
[INFO] running `Command { std: "docker" "start" "-a" "e2637215fc2b3cd1bf70cf99daf1accf77e4b9f59a5e772d50aa9fc8b643d5fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2637215fc2b3cd1bf70cf99daf1accf77e4b9f59a5e772d50aa9fc8b643d5fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2637215fc2b3cd1bf70cf99daf1accf77e4b9f59a5e772d50aa9fc8b643d5fa", kill_on_drop: false }`
[INFO] [stdout] e2637215fc2b3cd1bf70cf99daf1accf77e4b9f59a5e772d50aa9fc8b643d5fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 056ee051f08fb7d7a564dbc0da3e3f0ea5378259ce42f1608b5dad55959c947e
[INFO] running `Command { std: "docker" "start" "-a" "056ee051f08fb7d7a564dbc0da3e3f0ea5378259ce42f1608b5dad55959c947e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling pdqselect v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling rstar v0.2.0
[INFO] [stderr]    Compiling rstar v0.5.1
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]    Compiling geo-types v0.4.3
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling wkb v0.4.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling geo v0.12.2
[INFO] [stderr]    Compiling landmask v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[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 `landmask`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "056ee051f08fb7d7a564dbc0da3e3f0ea5378259ce42f1608b5dad55959c947e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "056ee051f08fb7d7a564dbc0da3e3f0ea5378259ce42f1608b5dad55959c947e", kill_on_drop: false }`
[INFO] [stdout] 056ee051f08fb7d7a564dbc0da3e3f0ea5378259ce42f1608b5dad55959c947e
