[INFO] cloning repository https://github.com/yayoc/hn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yayoc/hn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyayoc%2Fhn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyayoc%2Fhn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d3971d5c374e8f08972e2f661bd5adc70d143f7
[INFO] checking yayoc/hn against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyayoc%2Fhn" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yayoc/hn on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yayoc/hn
[INFO] finished tweaking git repo https://github.com/yayoc/hn
[INFO] tweaked toml for git repo https://github.com/yayoc/hn written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/yayoc/hn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", 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] 10ea5f00b6238eb3365c778c8feae3e17916e03733ef7826e083a19ded0ea500
[INFO] running `Command { std: "docker" "start" "-a" "10ea5f00b6238eb3365c778c8feae3e17916e03733ef7826e083a19ded0ea500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10ea5f00b6238eb3365c778c8feae3e17916e03733ef7826e083a19ded0ea500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10ea5f00b6238eb3365c778c8feae3e17916e03733ef7826e083a19ded0ea500", kill_on_drop: false }`
[INFO] [stdout] 10ea5f00b6238eb3365c778c8feae3e17916e03733ef7826e083a19ded0ea500
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40cefe3ad84630a0839956800d869d159ec72b489d58e38a1992463a38e12b87
[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" "40cefe3ad84630a0839956800d869d159ec72b489d58e38a1992463a38e12b87", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]     Checking rgb v0.8.14
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.5.0
[INFO] [stderr]     Checking webbrowser v0.5.2
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking miniz_oxide v0.3.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking tui v0.6.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling openssl-sys v0.9.51
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking assert-json-diff v1.0.0
[INFO] [stderr]     Checking mockito v0.21.0
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]     Checking hn 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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(try_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(try_trait)]
[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 `hn` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "40cefe3ad84630a0839956800d869d159ec72b489d58e38a1992463a38e12b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40cefe3ad84630a0839956800d869d159ec72b489d58e38a1992463a38e12b87", kill_on_drop: false }`
[INFO] [stdout] 40cefe3ad84630a0839956800d869d159ec72b489d58e38a1992463a38e12b87
