[INFO] fetching crate ley 0.0.5...
[INFO] checking ley-0.0.5 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate ley 0.0.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ley 0.0.5 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ley 0.0.5
[INFO] finished tweaking crates.io crate ley 0.0.5
[INFO] tweaked toml for crates.io crate ley 0.0.5 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate ley 0.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f5ca4c6d0cdc8fe70a9f86027a7a85ff87183aa86bca2c5cdeca5cfc8382d402
[INFO] running `Command { std: "docker" "start" "-a" "f5ca4c6d0cdc8fe70a9f86027a7a85ff87183aa86bca2c5cdeca5cfc8382d402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5ca4c6d0cdc8fe70a9f86027a7a85ff87183aa86bca2c5cdeca5cfc8382d402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5ca4c6d0cdc8fe70a9f86027a7a85ff87183aa86bca2c5cdeca5cfc8382d402", kill_on_drop: false }`
[INFO] [stdout] f5ca4c6d0cdc8fe70a9f86027a7a85ff87183aa86bca2c5cdeca5cfc8382d402
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba483a5e89e20b1f5885c5ad2155ac45c58c3c5777ac1200806952f0d4aaa9ed
[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" "ba483a5e89e20b1f5885c5ad2155ac45c58c3c5777ac1200806952f0d4aaa9ed", kill_on_drop: false }`
[INFO] [stderr]     Checking ley v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `collections::VecDeque`
[INFO] [stdout]  --> src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{collections::VecDeque, env, fs::{File, read_dir}, io::{Read, Write}, path::Path};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/fmt.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Display, fs::File, io::{self, Write}, path::PathBuf};
[INFO] [stdout]   |                                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/fmt.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::catch`
[INFO] [stdout]  --> src/fmt.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::catch;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::VecDeque`
[INFO] [stdout]  --> src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{collections::VecDeque, env, fs::{File, read_dir}, io::{Read, Write}, path::Path};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/fmt.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Display, fs::File, io::{self, Write}, path::PathBuf};
[INFO] [stdout]   |                                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/fmt.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::catch`
[INFO] [stdout]  --> src/fmt.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::catch;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "ba483a5e89e20b1f5885c5ad2155ac45c58c3c5777ac1200806952f0d4aaa9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba483a5e89e20b1f5885c5ad2155ac45c58c3c5777ac1200806952f0d4aaa9ed", kill_on_drop: false }`
[INFO] [stdout] ba483a5e89e20b1f5885c5ad2155ac45c58c3c5777ac1200806952f0d4aaa9ed