[INFO] cloning repository https://github.com/aviansie-ben/mppc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aviansie-ben/mppc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faviansie-ben%2Fmppc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faviansie-ben%2Fmppc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7344e1993aad0789c843b3417b61dcdd486273ac
[INFO] checking aviansie-ben/mppc against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faviansie-ben%2Fmppc" "/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/aviansie-ben/mppc on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aviansie-ben/mppc
[INFO] finished tweaking git repo https://github.com/aviansie-ben/mppc
[INFO] tweaked toml for git repo https://github.com/aviansie-ben/mppc written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/aviansie-ben/mppc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 221e884c46e71bc09e35d18a11faf22573878dfc76c50e7f29b416deb7b9898f
[INFO] running `Command { std: "docker" "start" "-a" "221e884c46e71bc09e35d18a11faf22573878dfc76c50e7f29b416deb7b9898f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "221e884c46e71bc09e35d18a11faf22573878dfc76c50e7f29b416deb7b9898f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221e884c46e71bc09e35d18a11faf22573878dfc76c50e7f29b416deb7b9898f", kill_on_drop: false }`
[INFO] [stdout] 221e884c46e71bc09e35d18a11faf22573878dfc76c50e7f29b416deb7b9898f
[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=forbid" "-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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b76a6f191da7b9fb519340414c7547ac26353483ff223ee98bac87bf703c248
[INFO] running `Command { std: "docker" "start" "-a" "5b76a6f191da7b9fb519340414c7547ac26353483ff223ee98bac87bf703c248", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]    Compiling lalr v0.0.2
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking itertools v0.7.7
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling redfa v0.0.2
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking clap v2.31.1
[INFO] [stderr]    Compiling plex v0.0.3 (/opt/rustwide/workdir/plex)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> plex/src/lib.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin_registrar, quote, rustc_private, i128_type)]
[INFO] [stdout]   |                              ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]  --> plex/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate syntax;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `plex`
[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" "5b76a6f191da7b9fb519340414c7547ac26353483ff223ee98bac87bf703c248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b76a6f191da7b9fb519340414c7547ac26353483ff223ee98bac87bf703c248", kill_on_drop: false }`
[INFO] [stdout] 5b76a6f191da7b9fb519340414c7547ac26353483ff223ee98bac87bf703c248