[INFO] cloning repository https://github.com/porglezomp/vcd-view
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/porglezomp/vcd-view" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fporglezomp%2Fvcd-view", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fporglezomp%2Fvcd-view'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8832ef659fed6b0f841ea70a4dc330ee7bed8398
[INFO] testing porglezomp/vcd-view against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fporglezomp%2Fvcd-view" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/porglezomp/vcd-view 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/porglezomp/vcd-view
[INFO] finished tweaking git repo https://github.com/porglezomp/vcd-view
[INFO] tweaked toml for git repo https://github.com/porglezomp/vcd-view written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/porglezomp/vcd-view 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.22
[INFO] [stderr]   Downloaded pkg-config v0.3.13
[INFO] [stderr]   Downloaded urlencoding v1.0.0
[INFO] [stderr]   Downloaded vcd v0.4.0
[INFO] [stderr]   Downloaded web-view v0.2.1
[INFO] [stderr]   Downloaded webview-sys v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 30c4d858acf319f67ffb9bc6877613bcef958cf6e9b015f995f873753d97be9d
[INFO] running `Command { std: "docker" "start" "-a" "30c4d858acf319f67ffb9bc6877613bcef958cf6e9b015f995f873753d97be9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30c4d858acf319f67ffb9bc6877613bcef958cf6e9b015f995f873753d97be9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30c4d858acf319f67ffb9bc6877613bcef958cf6e9b015f995f873753d97be9d", kill_on_drop: false }`
[INFO] [stdout] 30c4d858acf319f67ffb9bc6877613bcef958cf6e9b015f995f873753d97be9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 5469d3d8befeb028a8ac17e07bb924c2bb32144aafcbd8c9a1cc3f5761bf37d9
[INFO] running `Command { std: "docker" "start" "-a" "5469d3d8befeb028a8ac17e07bb924c2bb32144aafcbd8c9a1cc3f5761bf37d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.13
[INFO] [stderr]    Compiling cc v1.0.22
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling vcd v0.4.0
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling webview-sys v0.1.0
[INFO] [stderr]    Compiling web-view v0.2.1
[INFO] [stderr]    Compiling vcd-view v0.2.0 (/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(nll)]
[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 `vcd-view` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5469d3d8befeb028a8ac17e07bb924c2bb32144aafcbd8c9a1cc3f5761bf37d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5469d3d8befeb028a8ac17e07bb924c2bb32144aafcbd8c9a1cc3f5761bf37d9", kill_on_drop: false }`
[INFO] [stdout] 5469d3d8befeb028a8ac17e07bb924c2bb32144aafcbd8c9a1cc3f5761bf37d9