[INFO] updating cached repository https://github.com/emilio/crashfinder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bae8634dbf344cbdd75b9852a89c490b3f2f7374
[INFO] checking emilio/crashfinder against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femilio%2Fcrashfinder" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emilio/crashfinder on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emilio/crashfinder
[INFO] finished tweaking git repo https://github.com/emilio/crashfinder
[INFO] tweaked toml for git repo https://github.com/emilio/crashfinder written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/emilio/crashfinder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee454bf2cb00d4e28d61c11bcb7419e453e5b075f7aa41a10d59b67d0ba54263
[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" "ee454bf2cb00d4e28d61c11bcb7419e453e5b075f7aa41a10d59b67d0ba54263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee454bf2cb00d4e28d61c11bcb7419e453e5b075f7aa41a10d59b67d0ba54263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee454bf2cb00d4e28d61c11bcb7419e453e5b075f7aa41a10d59b67d0ba54263", kill_on_drop: false }`
[INFO] [stdout] ee454bf2cb00d4e28d61c11bcb7419e453e5b075f7aa41a10d59b67d0ba54263
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2354d7e461784fcd34bbf4af46a4ff3a2d5a649f8d220ba118c7b11d4c4d4b91
[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" "2354d7e461784fcd34bbf4af46a4ff3a2d5a649f8d220ba118c7b11d4c4d4b91", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking wait-timeout v0.1.5
[INFO] [stderr]     Checking arrayvec v0.4.11
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking env_logger v0.7.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking crashfinder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `stdout`
[INFO] [stdout]   --> src/main.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Timeout { stdout: String, stderr: String },
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stderr`
[INFO] [stdout]   --> src/main.rs:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Timeout { stdout: String, stderr: String },
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stdout`
[INFO] [stdout]   --> src/main.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Crashed { stdout: String, stderr: String },
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stderr`
[INFO] [stdout]   --> src/main.rs:25:31
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Crashed { stdout: String, stderr: String },
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stdout`
[INFO] [stdout]   --> src/main.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Timeout { stdout: String, stderr: String },
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stderr`
[INFO] [stdout]   --> src/main.rs:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Timeout { stdout: String, stderr: String },
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stdout`
[INFO] [stdout]   --> src/main.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Crashed { stdout: String, stderr: String },
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stderr`
[INFO] [stdout]   --> src/main.rs:25:31
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Crashed { stdout: String, stderr: String },
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.40s
[INFO] running `Command { std: "docker" "inspect" "2354d7e461784fcd34bbf4af46a4ff3a2d5a649f8d220ba118c7b11d4c4d4b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2354d7e461784fcd34bbf4af46a4ff3a2d5a649f8d220ba118c7b11d4c4d4b91", kill_on_drop: false }`
[INFO] [stdout] 2354d7e461784fcd34bbf4af46a4ff3a2d5a649f8d220ba118c7b11d4c4d4b91