[INFO] cloning repository https://github.com/irvingwashington/repo_racoon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/irvingwashington/repo_racoon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firvingwashington%2Frepo_racoon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firvingwashington%2Frepo_racoon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee420f5313fc0553e831858eac92363485649d68
[INFO] checking irvingwashington/repo_racoon against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firvingwashington%2Frepo_racoon" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/irvingwashington/repo_racoon on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/irvingwashington/repo_racoon
[INFO] finished tweaking git repo https://github.com/irvingwashington/repo_racoon
[INFO] tweaked toml for git repo https://github.com/irvingwashington/repo_racoon written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/irvingwashington/repo_racoon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--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 rustls v0.14.0
[INFO] [stderr]   Downloaded sct v0.4.0
[INFO] [stderr]   Downloaded ct-logs v0.4.0
[INFO] [stderr]   Downloaded webpki v0.18.1
[INFO] [stderr]   Downloaded webpki-roots v0.15.0
[INFO] [stderr]   Downloaded tokio-rustls v0.8.1
[INFO] [stderr]   Downloaded regex v1.1.2
[INFO] [stderr]   Downloaded hyper-rustls v0.15.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f1759293b823e5ba12940a27396ad03b54d72be5bfa31ec7627391cca6e5ba4
[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" "6f1759293b823e5ba12940a27396ad03b54d72be5bfa31ec7627391cca6e5ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f1759293b823e5ba12940a27396ad03b54d72be5bfa31ec7627391cca6e5ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f1759293b823e5ba12940a27396ad03b54d72be5bfa31ec7627391cca6e5ba4", kill_on_drop: false }`
[INFO] [stdout] 6f1759293b823e5ba12940a27396ad03b54d72be5bfa31ec7627391cca6e5ba4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a14d477447dae3261c8470cb7afd6664f494df6f0cbf6722eeb9046fb5e68934
[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" "a14d477447dae3261c8470cb7afd6664f494df6f0cbf6722eeb9046fb5e68934", kill_on_drop: false }`
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-sync v0.1.4
[INFO] [stderr]     Checking http v0.1.16
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-threadpool v0.1.12
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking h2 v0.1.17
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking regex v1.1.2
[INFO] [stderr]     Checking tokio v0.1.17
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking webpki v0.18.1
[INFO] [stderr]     Checking sct v0.4.0
[INFO] [stderr]     Checking hyper v0.12.25
[INFO] [stderr]     Checking ct-logs v0.4.0
[INFO] [stderr]     Checking rustls v0.14.0
[INFO] [stderr]     Checking webpki-roots v0.15.0
[INFO] [stderr]     Checking tokio-rustls v0.8.1
[INFO] [stderr]     Checking hyper-rustls v0.15.1
[INFO] [stderr]     Checking github-rs v0.6.1 (https://github.com/rust-github/github-rs/#0b591a82)
[INFO] [stderr]     Checking repo_racoon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/app_error.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |         Self::new(error.description())
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/app_error.rs:43:25
[INFO] [stdout]    |
[INFO] [stdout] 43 |         Self::new(error.description())
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/app_error.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |         Self::new(error.description())
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/app_error.rs:43:25
[INFO] [stdout]    |
[INFO] [stdout] 43 |         Self::new(error.description())
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `files`
[INFO] [stdout]   --> src/github_repo.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn files(&self, path: String) -> Result<Vec<String>, AppError> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `files`
[INFO] [stdout]   --> src/github_repo.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn files(&self, path: String) -> Result<Vec<String>, AppError> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.84s
[INFO] running `Command { std: "docker" "inspect" "a14d477447dae3261c8470cb7afd6664f494df6f0cbf6722eeb9046fb5e68934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a14d477447dae3261c8470cb7afd6664f494df6f0cbf6722eeb9046fb5e68934", kill_on_drop: false }`
[INFO] [stdout] a14d477447dae3261c8470cb7afd6664f494df6f0cbf6722eeb9046fb5e68934