[INFO] cloning repository https://github.com/dwuggh/dw
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dwuggh/dw" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwuggh%2Fdw", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwuggh%2Fdw'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c665f3341b58715256d2d4697ac0d62b5c306c95
[INFO] checking dwuggh/dw against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwuggh%2Fdw" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dwuggh/dw on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dwuggh/dw
[INFO] finished tweaking git repo https://github.com/dwuggh/dw
[INFO] tweaked toml for git repo https://github.com/dwuggh/dw written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/dwuggh/dw already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ripemd128 v0.1.2
[INFO] [stderr]   Downloaded whatlang v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 795466a0b14c30ce6d65f6cda583a68b025c698703ad30753217716e615982d3
[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" "795466a0b14c30ce6d65f6cda583a68b025c698703ad30753217716e615982d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "795466a0b14c30ce6d65f6cda583a68b025c698703ad30753217716e615982d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795466a0b14c30ce6d65f6cda583a68b025c698703ad30753217716e615982d3", kill_on_drop: false }`
[INFO] [stdout] 795466a0b14c30ce6d65f6cda583a68b025c698703ad30753217716e615982d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eea429b8bc054b85d70b8cd3e9f53a2b79446a0b04ab932032b8f4cacb96a634
[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" "eea429b8bc054b85d70b8cd3e9f53a2b79446a0b04ab932032b8f4cacb96a634", kill_on_drop: false }`
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[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling cargo-platform v0.1.1
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]     Checking reqwest v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling cargo_metadata v0.12.3
[INFO] [stderr]    Compiling tera v0.11.20
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]    Compiling skeptic v0.13.6
[INFO] [stderr]     Checking scraper v0.12.0
[INFO] [stderr]     Checking mdict v0.1.0 (/opt/rustwide/workdir/lib/mdict)
[INFO] [stdout] warning: unused variable: `decompressed_size`
[INFO] [stdout]   --> lib/mdict/src/mdx.rs:66:31
[INFO] [stdout]    |
[INFO] [stdout] 66 |         for (compressed_size, decompressed_size) in record_block_info_list {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decompressed_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `End`
[INFO] [stdout]   --> lib/mdict/src/mdict_header.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     End,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `RecordBlockInfoList`
[INFO] [stdout]   --> lib/mdict/src/mdx.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | type RecordBlockInfoList = Vec<(usize, usize)>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> lib/mdict/src/mdx.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn new(key_text: String, record_text: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Words`
[INFO] [stdout]   --> lib/mdict/src/mdx.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | type Words = Vec<Word>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mdx_decode_record_block`
[INFO] [stdout]   --> lib/mdict/src/mdx.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn mdx_decode_record_block(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decompressed_size`
[INFO] [stdout]   --> lib/mdict/src/mdx.rs:66:31
[INFO] [stdout]    |
[INFO] [stdout] 66 |         for (compressed_size, decompressed_size) in record_block_info_list {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decompressed_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `End`
[INFO] [stdout]   --> lib/mdict/src/mdict_header.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     End,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling whatlang v0.6.0
[INFO] [stderr]     Checking dw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 46s
[INFO] running `Command { std: "docker" "inspect" "eea429b8bc054b85d70b8cd3e9f53a2b79446a0b04ab932032b8f4cacb96a634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea429b8bc054b85d70b8cd3e9f53a2b79446a0b04ab932032b8f4cacb96a634", kill_on_drop: false }`
[INFO] [stdout] eea429b8bc054b85d70b8cd3e9f53a2b79446a0b04ab932032b8f4cacb96a634