[INFO] cloning repository https://github.com/akochi/derpy
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akochi/derpy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakochi%2Fderpy"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakochi%2Fderpy'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4a7097d51149be284620093370e575898057eb90
[INFO] checking akochi/derpy against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakochi%2Fderpy" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akochi/derpy on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/akochi/derpy
[INFO] finished tweaking git repo https://github.com/akochi/derpy
[INFO] tweaked toml for git repo https://github.com/akochi/derpy written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/akochi/derpy already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] df6aefe144ba048221563f18612820d505dba3c99daa5559707f052fd588fa17
[INFO] running `"docker" "start" "-a" "df6aefe144ba048221563f18612820d505dba3c99daa5559707f052fd588fa17"`
[INFO] [stderr]    Compiling serenity v0.7.0
[INFO] [stderr]     Checking uwl v0.4.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking dotenv v0.14.1
[INFO] [stderr]     Checking tungstenite v0.9.1
[INFO] [stderr]     Checking mime_guess v2.0.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-rustls v0.10.0
[INFO] [stderr]     Checking hyper v0.12.33
[INFO] [stderr]     Checking hyper-rustls v0.17.1
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling command_attr v0.1.5
[INFO] [stderr]     Checking serde v1.0.99
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.20
[INFO] [stderr]     Checking derpy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] running `"docker" "inspect" "df6aefe144ba048221563f18612820d505dba3c99daa5559707f052fd588fa17"`
[INFO] running `"docker" "rm" "-f" "df6aefe144ba048221563f18612820d505dba3c99daa5559707f052fd588fa17"`
[INFO] [stdout] df6aefe144ba048221563f18612820d505dba3c99daa5559707f052fd588fa17