[INFO] cloning repository https://github.com/p32blo/pl-vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/p32blo/pl-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fp32blo%2Fpl-vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fp32blo%2Fpl-vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c9b4543f64761035fa935ecfc93fc7f68f7cb6e
[INFO] checking p32blo/pl-vm against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fp32blo%2Fpl-vm" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/p32blo/pl-vm on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/p32blo/pl-vm
[INFO] finished tweaking git repo https://github.com/p32blo/pl-vm
[INFO] tweaked toml for git repo https://github.com/p32blo/pl-vm written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/p32blo/pl-vm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 497174fc2b4cf988ea9b9fd63e5dae71088f7460044f3094eef6112ef7e134d6
[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" "497174fc2b4cf988ea9b9fd63e5dae71088f7460044f3094eef6112ef7e134d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "497174fc2b4cf988ea9b9fd63e5dae71088f7460044f3094eef6112ef7e134d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "497174fc2b4cf988ea9b9fd63e5dae71088f7460044f3094eef6112ef7e134d6", kill_on_drop: false }`
[INFO] [stdout] 497174fc2b4cf988ea9b9fd63e5dae71088f7460044f3094eef6112ef7e134d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbdc43e67be86ac172139e54a9707253d99d726410423e8b53f84e11ad50e2bc
[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" "fbdc43e67be86ac172139e54a9707253d99d726410423e8b53f84e11ad50e2bc", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking pest v0.4.1
[INFO] [stderr]     Checking error-chain v0.7.2
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking clap v2.31.1
[INFO] [stderr]     Checking pl-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused logical operation that must be used
[INFO] [stdout]    --> src/parser.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout] 28  | /     impl_rdp! {
[INFO] [stdout] 29  | |         grammar! {
[INFO] [stdout] 30  | |             // Lexical Rules
[INFO] [stdout] 31  | |             digit = _{ ['0'..'9'] }
[INFO] [stdout] ...   |
[INFO] [stdout] 249 | |         }
[INFO] [stdout] 250 | |     }
[INFO] [stdout]     | |_____^ the logical operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `grammar` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused logical operation that must be used
[INFO] [stdout]    --> src/parser.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout] 28  | /     impl_rdp! {
[INFO] [stdout] 29  | |         grammar! {
[INFO] [stdout] 30  | |             // Lexical Rules
[INFO] [stdout] 31  | |             digit = _{ ['0'..'9'] }
[INFO] [stdout] ...   |
[INFO] [stdout] 249 | |         }
[INFO] [stdout] 250 | |     }
[INFO] [stdout]     | |_____^ the logical operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `grammar` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.20s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fbdc43e67be86ac172139e54a9707253d99d726410423e8b53f84e11ad50e2bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbdc43e67be86ac172139e54a9707253d99d726410423e8b53f84e11ad50e2bc", kill_on_drop: false }`
[INFO] [stdout] fbdc43e67be86ac172139e54a9707253d99d726410423e8b53f84e11ad50e2bc