[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] testing imtsuki/w against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimtsuki%2Fw" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/imtsuki/w on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 538753387e95cbd759304c1219173ea31b848a290a0d8349666a3a6aced4af94
[INFO] running `Command { std: "docker" "start" "-a" "538753387e95cbd759304c1219173ea31b848a290a0d8349666a3a6aced4af94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "538753387e95cbd759304c1219173ea31b848a290a0d8349666a3a6aced4af94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "538753387e95cbd759304c1219173ea31b848a290a0d8349666a3a6aced4af94", kill_on_drop: false }`
[INFO] [stdout] 538753387e95cbd759304c1219173ea31b848a290a0d8349666a3a6aced4af94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08ee7d2cf4cd418f017eafc5cd7e5ade37cd6653a800e7e5142fc4f0f9eb2c88
[INFO] running `Command { std: "docker" "start" "-a" "08ee7d2cf4cd418f017eafc5cd7e5ade37cd6653a800e7e5142fc4f0f9eb2c88", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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 0.32s
[INFO] running `Command { std: "docker" "inspect" "08ee7d2cf4cd418f017eafc5cd7e5ade37cd6653a800e7e5142fc4f0f9eb2c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ee7d2cf4cd418f017eafc5cd7e5ade37cd6653a800e7e5142fc4f0f9eb2c88", kill_on_drop: false }`
[INFO] [stdout] 08ee7d2cf4cd418f017eafc5cd7e5ade37cd6653a800e7e5142fc4f0f9eb2c88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d17b8769c20830721b859f565468d5c4a8d104a1720c058daef31010f27cff0
[INFO] running `Command { std: "docker" "start" "-a" "9d17b8769c20830721b859f565468d5c4a8d104a1720c058daef31010f27cff0", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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 `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "9d17b8769c20830721b859f565468d5c4a8d104a1720c058daef31010f27cff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d17b8769c20830721b859f565468d5c4a8d104a1720c058daef31010f27cff0", kill_on_drop: false }`
[INFO] [stdout] 9d17b8769c20830721b859f565468d5c4a8d104a1720c058daef31010f27cff0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d37b04e17d4bfc9efed9a57cdf3a54fd8818b806a31d3ddc875bffdd2796463f
[INFO] running `Command { std: "docker" "start" "-a" "d37b04e17d4bfc9efed9a57cdf3a54fd8818b806a31d3ddc875bffdd2796463f", kill_on_drop: false }`
[INFO] [stderr] warning: enum `Exp` is never used
[INFO] [stderr]  --> src/w.rs:5:6
[INFO] [stderr]   |
[INFO] [stderr] 5 | enum Exp {
[INFO] [stderr]   |      ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Lit` is never used
[INFO] [stderr]   --> src/w.rs:20:6
[INFO] [stderr]    |
[INFO] [stderr] 20 | enum Lit {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Type` is never used
[INFO] [stderr]   --> src/w.rs:32:6
[INFO] [stderr]    |
[INFO] [stderr] 32 | enum Type {
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Types` is never used
[INFO] [stderr]   --> src/w.rs:45:7
[INFO] [stderr]    |
[INFO] [stderr] 45 | trait Types {
[INFO] [stderr]    |       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Subst` is never used
[INFO] [stderr]   --> src/w.rs:77:6
[INFO] [stderr]    |
[INFO] [stderr] 77 | type Subst = HashMap<String, Type>;
[INFO] [stderr]    |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `w` (bin "w" test) generated 5 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/w-f91e135f1a3c3fec)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d37b04e17d4bfc9efed9a57cdf3a54fd8818b806a31d3ddc875bffdd2796463f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d37b04e17d4bfc9efed9a57cdf3a54fd8818b806a31d3ddc875bffdd2796463f", kill_on_drop: false }`
[INFO] [stdout] d37b04e17d4bfc9efed9a57cdf3a54fd8818b806a31d3ddc875bffdd2796463f