[INFO] cloning repository https://github.com/comicfans/libunarr_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/comicfans/libunarr_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomicfans%2Flibunarr_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomicfans%2Flibunarr_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f64737cbfd30947e2113c973df06904389830e6
[INFO] checking comicfans/libunarr_rs against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomicfans%2Flibunarr_rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/comicfans/libunarr_rs on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/comicfans/libunarr_rs
[INFO] finished tweaking git repo https://github.com/comicfans/libunarr_rs
[INFO] tweaked toml for git repo https://github.com/comicfans/libunarr_rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/comicfans/libunarr_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f94e6722dab9c763e951e11ca4024d9ef3cc257e9178cd14a0ac2dff0619cb11
[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" "f94e6722dab9c763e951e11ca4024d9ef3cc257e9178cd14a0ac2dff0619cb11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f94e6722dab9c763e951e11ca4024d9ef3cc257e9178cd14a0ac2dff0619cb11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f94e6722dab9c763e951e11ca4024d9ef3cc257e9178cd14a0ac2dff0619cb11", kill_on_drop: false }`
[INFO] [stdout] f94e6722dab9c763e951e11ca4024d9ef3cc257e9178cd14a0ac2dff0619cb11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0461b97f9178a8a8f0f6f603e831232f6ea922866badb5c788a12027ffc0f365
[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" "0461b97f9178a8a8f0f6f603e831232f6ea922866badb5c788a12027ffc0f365", 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] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling unarr_sys v0.1.0 (https://github.com/comicfans/unarr_sys.git#d4a14409)
[INFO] [stderr]     Checking ffi v0.0.2
[INFO] [stderr]     Checking chardet v0.2.4
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling csv v1.0.7
[INFO] [stderr]    Compiling codepage-437 v0.1.0
[INFO] [stderr]     Checking unarr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/lib.rs:478:9
[INFO] [stdout]     |
[INFO] [stdout] 478 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]    --> src/lib.rs:479:9
[INFO] [stdout]     |
[INFO] [stdout] 479 |     use std::io::Read;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.76s
[INFO] running `Command { std: "docker" "inspect" "0461b97f9178a8a8f0f6f603e831232f6ea922866badb5c788a12027ffc0f365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0461b97f9178a8a8f0f6f603e831232f6ea922866badb5c788a12027ffc0f365", kill_on_drop: false }`
[INFO] [stdout] 0461b97f9178a8a8f0f6f603e831232f6ea922866badb5c788a12027ffc0f365