[INFO] cloning repository https://github.com/est31/lewton-wiki-tool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/est31/lewton-wiki-tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fest31%2Flewton-wiki-tool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fest31%2Flewton-wiki-tool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c363c8c27acfd498d6b64441d702137727bbffd6
[INFO] checking est31/lewton-wiki-tool against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fest31%2Flewton-wiki-tool" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/est31/lewton-wiki-tool on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/est31/lewton-wiki-tool
[INFO] finished tweaking git repo https://github.com/est31/lewton-wiki-tool
[INFO] tweaked toml for git repo https://github.com/est31/lewton-wiki-tool written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/est31/lewton-wiki-tool already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/RustAudio/lewton/`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-openssl v0.3.0
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[INFO] [stderr]   Downloaded http v0.1.16
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[INFO] [stderr]   Downloaded vorbis-sys v0.0.8
[INFO] [stderr]   Downloaded hyper v0.12.24
[INFO] [stderr]   Downloaded pbr v1.0.1
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.11
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[INFO] [stderr]   Downloaded curl-sys v0.4.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23dd7c084851ff905f60e66f73613967a444213f046af6ae1a3f3008b07bb753
[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" "23dd7c084851ff905f60e66f73613967a444213f046af6ae1a3f3008b07bb753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23dd7c084851ff905f60e66f73613967a444213f046af6ae1a3f3008b07bb753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23dd7c084851ff905f60e66f73613967a444213f046af6ae1a3f3008b07bb753", kill_on_drop: false }`
[INFO] [stdout] 23dd7c084851ff905f60e66f73613967a444213f046af6ae1a3f3008b07bb753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ffdf0199f058a1a3f400e02e9b6bf1f1f60908a8f74e062e89d21fb47adc1a5
[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" "5ffdf0199f058a1a3f400e02e9b6bf1f1f60908a8f74e062e89d21fb47adc1a5", kill_on_drop: false }`
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[INFO] [stderr]     Checking indexmap v1.0.2
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[INFO] [stderr]     Checking lewton v0.9.3 (https://github.com/RustAudio/lewton/#2c644693)
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[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking h2 v0.1.16
[INFO] [stderr]     Checking tokio-threadpool v0.1.11
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[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]     Checking tokio-openssl v0.3.0
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[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking curl v0.4.19
[INFO] [stderr]     Checking test-assets v0.2.0
[INFO] [stderr]     Checking cmp v0.1.0 (https://github.com/RustAudio/lewton/#2c644693)
[INFO] [stderr]     Checking lewton-wiki-tool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let mut br = BufReader::new(f);
[INFO] [stdout]     |                 ----^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let mut br = BufReader::new(f);
[INFO] [stdout]     |                 ----^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:196:6
[INFO] [stdout]     |
[INFO] [stdout] 196 |                     writeln!(lf, "{}", msg_str);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:196:6
[INFO] [stdout]     |
[INFO] [stdout] 196 |                     writeln!(lf, "{}", msg_str);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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 1m 30s
[INFO] running `Command { std: "docker" "inspect" "5ffdf0199f058a1a3f400e02e9b6bf1f1f60908a8f74e062e89d21fb47adc1a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ffdf0199f058a1a3f400e02e9b6bf1f1f60908a8f74e062e89d21fb47adc1a5", kill_on_drop: false }`
[INFO] [stdout] 5ffdf0199f058a1a3f400e02e9b6bf1f1f60908a8f74e062e89d21fb47adc1a5