[INFO] updating cached repository https://github.com/edouardmenayde/dead-link-checker
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2fc7b6be069efd375b142a561d88dc1655d2d9b6
[INFO] checking edouardmenayde/dead-link-checker against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedouardmenayde%2Fdead-link-checker" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edouardmenayde/dead-link-checker on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/edouardmenayde/dead-link-checker
[INFO] finished tweaking git repo https://github.com/edouardmenayde/dead-link-checker
[INFO] tweaked toml for git repo https://github.com/edouardmenayde/dead-link-checker written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/edouardmenayde/dead-link-checker already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 187abe92a4048db39b63d7a71c272225f5a121bde8ddb1e89d5d1d15a4c2917f
[INFO] running `"docker" "start" "-a" "187abe92a4048db39b63d7a71c272225f5a121bde8ddb1e89d5d1d15a4c2917f"`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking cfg-if v0.1.6
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[INFO] [stderr]     Checking slab v0.4.1
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[INFO] [stderr]    Compiling cc v1.0.25
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[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking unicode-normalization v0.1.7
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[INFO] [stderr]    Compiling ryu v0.2.6
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[INFO] [stderr]    Compiling encoding_rs v0.8.10
[INFO] [stderr]     Checking safemem v0.3.0
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[INFO] [stderr]     Checking rand_core v0.2.2
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[INFO] [stderr]    Compiling crc v1.8.1
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[INFO] [stderr]    Compiling parking_lot_core v0.3.1
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[INFO] [stderr]    Compiling phf_shared v0.7.23
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[INFO] [stderr]     Checking rand v0.5.5
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[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking thread_local v0.3.6
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[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
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[INFO] [stderr]    Compiling phf_codegen v0.7.23
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[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
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[INFO] [stderr]     Checking tokio-uds v0.2.3
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[INFO] [stderr]     Checking tokio v0.1.11
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[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking hyper v0.12.13
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.4
[INFO] [stderr]     Checking dead-link-checker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `core::fmt`
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use core::fmt;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::fmt`
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use core::fmt;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:194:11
[INFO] [stderr]     |
[INFO] [stderr] 194 |       for mut link in links {
[INFO] [stderr]     |           ----^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unreachable`
[INFO] [stderr]   --> src/main.rs:29:3
[INFO] [stderr]    |
[INFO] [stderr] 29 |   Unreachable,
[INFO] [stderr]    |   ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:75:21
[INFO] [stderr]    |
[INFO] [stderr] 75 | /                     tx.send(Response {
[INFO] [stderr] 76 | |                       processed_link: url,
[INFO] [stderr] 77 | |                       extracted_links: Some(links),
[INFO] [stderr] 78 | |                       status: ResponseStatus::Ok,
[INFO] [stderr] 79 | |                     });
[INFO] [stderr]    | |_______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:82:21
[INFO] [stderr]    |
[INFO] [stderr] 82 | /                     tx.send(Response {
[INFO] [stderr] 83 | |                       processed_link: url,
[INFO] [stderr] 84 | |                       status: ResponseStatus::Err(res.status()),
[INFO] [stderr] 85 | |                       extracted_links: None,
[INFO] [stderr] 86 | |                     });
[INFO] [stderr]    | |_______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:194:11
[INFO] [stderr]     |
[INFO] [stderr] 194 |       for mut link in links {
[INFO] [stderr]     |           ----^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unreachable`
[INFO] [stderr]   --> src/main.rs:29:3
[INFO] [stderr]    |
[INFO] [stderr] 29 |   Unreachable,
[INFO] [stderr]    |   ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:75:21
[INFO] [stderr]    |
[INFO] [stderr] 75 | /                     tx.send(Response {
[INFO] [stderr] 76 | |                       processed_link: url,
[INFO] [stderr] 77 | |                       extracted_links: Some(links),
[INFO] [stderr] 78 | |                       status: ResponseStatus::Ok,
[INFO] [stderr] 79 | |                     });
[INFO] [stderr]    | |_______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:82:21
[INFO] [stderr]    |
[INFO] [stderr] 82 | /                     tx.send(Response {
[INFO] [stderr] 83 | |                       processed_link: url,
[INFO] [stderr] 84 | |                       status: ResponseStatus::Err(res.status()),
[INFO] [stderr] 85 | |                       extracted_links: None,
[INFO] [stderr] 86 | |                     });
[INFO] [stderr]    | |_______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `"docker" "inspect" "187abe92a4048db39b63d7a71c272225f5a121bde8ddb1e89d5d1d15a4c2917f"`
[INFO] running `"docker" "rm" "-f" "187abe92a4048db39b63d7a71c272225f5a121bde8ddb1e89d5d1d15a4c2917f"`
[INFO] [stdout] 187abe92a4048db39b63d7a71c272225f5a121bde8ddb1e89d5d1d15a4c2917f