[INFO] cloning repository https://github.com/nikkolasg/test_dynamic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikkolasg/test_dynamic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikkolasg%2Ftest_dynamic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikkolasg%2Ftest_dynamic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 942c9bf06744c1f554c96d9711c8d55e443a26bf
[INFO] checking nikkolasg/test_dynamic against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikkolasg%2Ftest_dynamic" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/nikkolasg/test_dynamic
[INFO] finished tweaking git repo https://github.com/nikkolasg/test_dynamic
[INFO] tweaked toml for git repo https://github.com/nikkolasg/test_dynamic written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nikkolasg/test_dynamic on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nikkolasg/test_dynamic 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" "+987a165cfab916796a8315782b83ac460a651ce2" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 792c6c223fa461ed133e257e3e80138859024207d5f96fd02f0132baa76154e4
[INFO] running `Command { std: "docker" "start" "-a" "792c6c223fa461ed133e257e3e80138859024207d5f96fd02f0132baa76154e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "792c6c223fa461ed133e257e3e80138859024207d5f96fd02f0132baa76154e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "792c6c223fa461ed133e257e3e80138859024207d5f96fd02f0132baa76154e4", kill_on_drop: false }`
[INFO] [stdout] 792c6c223fa461ed133e257e3e80138859024207d5f96fd02f0132baa76154e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24a22201741ce9ebee1bd6b69bb797afc07cbf8cf43b1622b5587dff9ad78f32
[INFO] running `Command { std: "docker" "start" "-a" "24a22201741ce9ebee1bd6b69bb797afc07cbf8cf43b1622b5587dff9ad78f32", kill_on_drop: false }`
[INFO] [stderr]     Checking dynamic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Operation` is never used
[INFO] [stdout]  --> src/lib.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Operation<N> {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DoubleOp` is never constructed
[INFO] [stdout]   --> src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct DoubleOp<N>(N);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generic_op` is never used
[INFO] [stdout]   --> src/lib.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<N> DoubleOp<N> where N: std::ops::Add<Output=N> + Copy {
[INFO] [stdout]    | ----------------------------------------------------------- method in this implementation
[INFO] [stdout] 15 |     fn generic_op(&self) -> N {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `discretize_to_u32` is never used
[INFO] [stdout]   --> src/lib.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl DoubleOp<f32> {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 33 |     // Helper method for discretizing
[INFO] [stdout] 34 |     fn discretize_to_u32(&self) -> Box<dyn Operation<u32>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OpTrace` is never constructed
[INFO] [stdout]   --> src/lib.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct OpTrace<N> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `discretize` is never used
[INFO] [stdout]   --> src/lib.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl OpTrace<f32> {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 55 |     fn discretize(&self) -> OpTrace<u32> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "24a22201741ce9ebee1bd6b69bb797afc07cbf8cf43b1622b5587dff9ad78f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24a22201741ce9ebee1bd6b69bb797afc07cbf8cf43b1622b5587dff9ad78f32", kill_on_drop: false }`
[INFO] [stdout] 24a22201741ce9ebee1bd6b69bb797afc07cbf8cf43b1622b5587dff9ad78f32