[INFO] cloning repository https://github.com/bomattin/thrasher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bomattin/thrasher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbomattin%2Fthrasher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbomattin%2Fthrasher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2d1fcb953402dca17f2345390da48ce35e3b911
[INFO] checking bomattin/thrasher against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbomattin%2Fthrasher" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bomattin/thrasher on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bomattin/thrasher
[INFO] finished tweaking git repo https://github.com/bomattin/thrasher
[INFO] tweaked toml for git repo https://github.com/bomattin/thrasher written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/bomattin/thrasher already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded custom_derive v0.1.7
[INFO] [stderr]   Downloaded magenta-sys v0.1.1
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded scopeguard v0.3.2
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.0
[INFO] [stderr]   Downloaded clap v2.26.0
[INFO] [stderr]   Downloaded futures v0.1.14
[INFO] [stderr]   Downloaded libc v0.2.29
[INFO] [stderr]   Downloaded magenta v0.1.1
[INFO] [stderr]   Downloaded rand v0.3.16
[INFO] [stderr]   Downloaded term_size v0.3.0
[INFO] [stderr]   Downloaded num_cpus v1.6.2
[INFO] [stderr]   Downloaded textwrap v0.7.0
[INFO] [stderr]   Downloaded rayon-core v1.2.1
[INFO] [stderr]   Downloaded conv v0.3.3
[INFO] [stderr]   Downloaded lazy_static v0.2.8
[INFO] [stderr]   Downloaded coco v0.1.1
[INFO] [stderr]   Downloaded either v1.1.0
[INFO] [stderr]   Downloaded rayon v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a3cbd1f874af56c88b8b09e4776cd86f1517086429cc5928110c9f33128bddc
[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" "1a3cbd1f874af56c88b8b09e4776cd86f1517086429cc5928110c9f33128bddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a3cbd1f874af56c88b8b09e4776cd86f1517086429cc5928110c9f33128bddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a3cbd1f874af56c88b8b09e4776cd86f1517086429cc5928110c9f33128bddc", kill_on_drop: false }`
[INFO] [stdout] 1a3cbd1f874af56c88b8b09e4776cd86f1517086429cc5928110c9f33128bddc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49cd70b7c367abf1809cb8cab69d264a8d5dca1e3938b6649ad70c73fc7c2f5c
[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" "49cd70b7c367abf1809cb8cab69d264a8d5dca1e3938b6649ad70c73fc7c2f5c", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.29
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking textwrap v0.7.0
[INFO] [stderr]     Checking clap v2.26.0
[INFO] [stderr]     Checking rayon-core v1.2.1
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking thrasher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]  --> src/filehose.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn spam(path: &PathBuf, n: i32, ext: &str) {
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ext`
[INFO] [stdout]  --> src/filehose.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn spam(path: &PathBuf, n: i32, ext: &str) {
[INFO] [stdout]   |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ext`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]  --> src/filehose.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn spam(path: &PathBuf, n: i32, ext: &str) {
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ext`
[INFO] [stdout]  --> src/filehose.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn spam(path: &PathBuf, n: i32, ext: &str) {
[INFO] [stdout]   |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ext`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.44s
[INFO] running `Command { std: "docker" "inspect" "49cd70b7c367abf1809cb8cab69d264a8d5dca1e3938b6649ad70c73fc7c2f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49cd70b7c367abf1809cb8cab69d264a8d5dca1e3938b6649ad70c73fc7c2f5c", kill_on_drop: false }`
[INFO] [stdout] 49cd70b7c367abf1809cb8cab69d264a8d5dca1e3938b6649ad70c73fc7c2f5c