[INFO] cloning repository https://github.com/lechub/rusty_app1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lechub/rusty_app1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flechub%2Frusty_app1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flechub%2Frusty_app1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2dd7029f78b49ed7a37f4f45382d42585c5578e0
[INFO] checking lechub/rusty_app1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flechub%2Frusty_app1" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lechub/rusty_app1 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/lechub/rusty_app1
[INFO] finished tweaking git repo https://github.com/lechub/rusty_app1
[INFO] tweaked toml for git repo https://github.com/lechub/rusty_app1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/lechub/rusty_app1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c552bc469d47e5048c84a4be412952310b3c2f59a433974db3d614cce0f97f39
[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" "c552bc469d47e5048c84a4be412952310b3c2f59a433974db3d614cce0f97f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c552bc469d47e5048c84a4be412952310b3c2f59a433974db3d614cce0f97f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c552bc469d47e5048c84a4be412952310b3c2f59a433974db3d614cce0f97f39", kill_on_drop: false }`
[INFO] [stdout] c552bc469d47e5048c84a4be412952310b3c2f59a433974db3d614cce0f97f39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] ef0cc18e1107dc315b2de562a1d1aea762f014d5cd58f6387a9a08d3efb6d8d1
[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" "ef0cc18e1107dc315b2de562a1d1aea762f014d5cd58f6387a9a08d3efb6d8d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rusty_app1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected identifier, found keyword `super`
[INFO] [stdout]  --> src/pkkb/pkkbL1.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod super::fifo;
[INFO] [stdout]   |     ^^^^^ expected identifier, found keyword
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `;` or `{`, found `::`
[INFO] [stdout]  --> src/pkkb/pkkbL1.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod super::fifo;
[INFO] [stdout]   |          ^^ expected one of `;` or `{`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found keyword `super`
[INFO] [stdout]  --> src/pkkb/pkkbL1.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod super::fifo;
[INFO] [stdout]   |     ^^^^^ expected identifier, found keyword
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `;` or `{`, found `::`
[INFO] [stdout]  --> src/pkkb/pkkbL1.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod super::fifo;
[INFO] [stdout]   |          ^^ expected one of `;` or `{`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty_app1`
[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] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ef0cc18e1107dc315b2de562a1d1aea762f014d5cd58f6387a9a08d3efb6d8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef0cc18e1107dc315b2de562a1d1aea762f014d5cd58f6387a9a08d3efb6d8d1", kill_on_drop: false }`
[INFO] [stdout] ef0cc18e1107dc315b2de562a1d1aea762f014d5cd58f6387a9a08d3efb6d8d1