[INFO] cloning repository https://github.com/dlo9/pdxindoorsoccer-ical
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dlo9/pdxindoorsoccer-ical" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlo9%2Fpdxindoorsoccer-ical", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlo9%2Fpdxindoorsoccer-ical'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3089638ac1e703960343abdaee79fad40f588a4d
[INFO] testing dlo9/pdxindoorsoccer-ical against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlo9%2Fpdxindoorsoccer-ical" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dlo9/pdxindoorsoccer-ical 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/dlo9/pdxindoorsoccer-ical
[INFO] finished tweaking git repo https://github.com/dlo9/pdxindoorsoccer-ical
[INFO] tweaked toml for git repo https://github.com/dlo9/pdxindoorsoccer-ical written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/dlo9/pdxindoorsoccer-ical 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] [stderr] warning: the cargo feature `resolver` has been stabilized in the 1.51 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 255f855ad29ecf588dbf5a4d37ef51323aaf982ededcc9b53b939d6a73c5d1e0
[INFO] running `Command { std: "docker" "start" "-a" "255f855ad29ecf588dbf5a4d37ef51323aaf982ededcc9b53b939d6a73c5d1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "255f855ad29ecf588dbf5a4d37ef51323aaf982ededcc9b53b939d6a73c5d1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255f855ad29ecf588dbf5a4d37ef51323aaf982ededcc9b53b939d6a73c5d1e0", kill_on_drop: false }`
[INFO] [stdout] 255f855ad29ecf588dbf5a4d37ef51323aaf982ededcc9b53b939d6a73c5d1e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 796e8871d9e56f4f5ceff73ab5e4dc5d04a8d8f758134bd1df6620be636c1d4f
[INFO] running `Command { std: "docker" "start" "-a" "796e8871d9e56f4f5ceff73ab5e4dc5d04a8d8f758134bd1df6620be636c1d4f", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `resolver` has been stabilized in the 1.51 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions for more information about using this feature.
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling pin-project-lite v0.1.5
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling openssl-sys v0.9.56
[INFO] [stderr]    Compiling tokio v0.2.20
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling icalendar v0.7.1 (https://github.com/dlo9/icalendar-rs#d4ff2345)
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling parse-zoneinfo v0.2.1
[INFO] [stderr]    Compiling caseless v0.2.1
[INFO] [stderr]    Compiling chrono-tz v0.5.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.15
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling paw-attributes v1.0.2
[INFO] [stderr]    Compiling paw v1.0.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling pin-project v0.4.15
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling structopt v0.3.14
[INFO] [stderr]    Compiling h2 v0.2.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling hyper v0.13.5
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling reqwest v0.10.4
[INFO] [stderr]    Compiling pdxindoorsoccer-ical 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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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 `pdxindoorsoccer-ical`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "796e8871d9e56f4f5ceff73ab5e4dc5d04a8d8f758134bd1df6620be636c1d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "796e8871d9e56f4f5ceff73ab5e4dc5d04a8d8f758134bd1df6620be636c1d4f", kill_on_drop: false }`
[INFO] [stdout] 796e8871d9e56f4f5ceff73ab5e4dc5d04a8d8f758134bd1df6620be636c1d4f
