[INFO] cloning repository https://github.com/imtsuki/w
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imtsuki/w" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimtsuki%2Fw", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimtsuki%2Fw'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62684579f84b9d294f98105dbe2f68a244de3b17
[INFO] checking imtsuki/w against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimtsuki%2Fw" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/imtsuki/w
[INFO] finished tweaking git repo https://github.com/imtsuki/w
[INFO] tweaked toml for git repo https://github.com/imtsuki/w written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/imtsuki/w on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/imtsuki/w already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c4996e0ae04d72307fb25af5f209c0bfa89f77444d59f1eb0d1205ce41f5573
[INFO] running `Command { std: "docker" "start" "-a" "4c4996e0ae04d72307fb25af5f209c0bfa89f77444d59f1eb0d1205ce41f5573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c4996e0ae04d72307fb25af5f209c0bfa89f77444d59f1eb0d1205ce41f5573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c4996e0ae04d72307fb25af5f209c0bfa89f77444d59f1eb0d1205ce41f5573", kill_on_drop: false }`
[INFO] [stdout] 4c4996e0ae04d72307fb25af5f209c0bfa89f77444d59f1eb0d1205ce41f5573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ad44b46f2c38008385d93d37372df00a4f69bcc3c9ea5e1871813f56619ef4a
[INFO] running `Command { std: "docker" "start" "-a" "1ad44b46f2c38008385d93d37372df00a4f69bcc3c9ea5e1871813f56619ef4a", kill_on_drop: false }`
[INFO] [stderr]     Checking w v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Exp` is never used
[INFO] [stdout]  --> src/w.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum Exp {
[INFO] [stdout]   |      ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Lit` is never used
[INFO] [stdout]   --> src/w.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum Lit {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]   --> src/w.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum Type {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Types` is never used
[INFO] [stdout]   --> src/w.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 | trait Types {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Subst` is never used
[INFO] [stdout]   --> src/w.rs:77:6
[INFO] [stdout]    |
[INFO] [stdout] 77 | type Subst = HashMap<String, Type>;
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Exp` is never used
[INFO] [stdout]  --> src/w.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum Exp {
[INFO] [stdout]   |      ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Lit` is never used
[INFO] [stdout]   --> src/w.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum Lit {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]   --> src/w.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum Type {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Types` is never used
[INFO] [stdout]   --> src/w.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 | trait Types {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Subst` is never used
[INFO] [stdout]   --> src/w.rs:77:6
[INFO] [stdout]    |
[INFO] [stdout] 77 | type Subst = HashMap<String, Type>;
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "1ad44b46f2c38008385d93d37372df00a4f69bcc3c9ea5e1871813f56619ef4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad44b46f2c38008385d93d37372df00a4f69bcc3c9ea5e1871813f56619ef4a", kill_on_drop: false }`
[INFO] [stdout] 1ad44b46f2c38008385d93d37372df00a4f69bcc3c9ea5e1871813f56619ef4a