[INFO] cloning repository https://github.com/nbittich/distrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nbittich/distrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbittich%2Fdistrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbittich%2Fdistrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1436c76417197b0db7ccf6fbe859805308838cc7
[INFO] building nbittich/distrust against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbittich%2Fdistrust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nbittich/distrust
[INFO] finished tweaking git repo https://github.com/nbittich/distrust
[INFO] tweaked toml for git repo https://github.com/nbittich/distrust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nbittich/distrust on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nbittich/distrust 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db6ea5eb21ea36d10e20392525fea9534ab262aec4f36226e747d28a305a7586
[INFO] running `Command { std: "docker" "start" "-a" "db6ea5eb21ea36d10e20392525fea9534ab262aec4f36226e747d28a305a7586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db6ea5eb21ea36d10e20392525fea9534ab262aec4f36226e747d28a305a7586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db6ea5eb21ea36d10e20392525fea9534ab262aec4f36226e747d28a305a7586", kill_on_drop: false }`
[INFO] [stdout] db6ea5eb21ea36d10e20392525fea9534ab262aec4f36226e747d28a305a7586
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74686bbd1874dc6d24973b762045e30edc397d87c7db0e70e46353c3f3620b8f
[INFO] running `Command { std: "docker" "start" "-a" "74686bbd1874dc6d24973b762045e30edc397d87c7db0e70e46353c3f3620b8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling distrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Cat` is never constructed
[INFO] [stdout]  --> src/dog_becomes_a_cat.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Cat<'a> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]   --> src/dog_becomes_a_cat.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Dog<'a> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Human` is never constructed
[INFO] [stdout]   --> src/dog_becomes_a_cat.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Human<'a> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Transmutable` is never used
[INFO] [stdout]   --> src/dog_becomes_a_cat.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | trait Transmutable {
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "74686bbd1874dc6d24973b762045e30edc397d87c7db0e70e46353c3f3620b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74686bbd1874dc6d24973b762045e30edc397d87c7db0e70e46353c3f3620b8f", kill_on_drop: false }`
[INFO] [stdout] 74686bbd1874dc6d24973b762045e30edc397d87c7db0e70e46353c3f3620b8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20d71849fa93c183cfac3565e9042db9c3911f61b2abdbce4b705a3d83d8134f
[INFO] running `Command { std: "docker" "start" "-a" "20d71849fa93c183cfac3565e9042db9c3911f61b2abdbce4b705a3d83d8134f", kill_on_drop: false }`
[INFO] [stderr]    Compiling distrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Cat` is never constructed
[INFO] [stdout]  --> src/dog_becomes_a_cat.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Cat<'a> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]   --> src/dog_becomes_a_cat.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Dog<'a> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Human` is never constructed
[INFO] [stdout]   --> src/dog_becomes_a_cat.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Human<'a> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Transmutable` is never used
[INFO] [stdout]   --> src/dog_becomes_a_cat.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | trait Transmutable {
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "20d71849fa93c183cfac3565e9042db9c3911f61b2abdbce4b705a3d83d8134f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d71849fa93c183cfac3565e9042db9c3911f61b2abdbce4b705a3d83d8134f", kill_on_drop: false }`
[INFO] [stdout] 20d71849fa93c183cfac3565e9042db9c3911f61b2abdbce4b705a3d83d8134f