[INFO] cloning repository https://github.com/rickmugridge/rust-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rickmugridge/rust-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickmugridge%2Frust-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickmugridge%2Frust-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba2a798c54b22f4146f27557b5c2db79d2579215
[INFO] checking rickmugridge/rust-experiments against try#f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208 for pr-139419
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickmugridge%2Frust-experiments" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rickmugridge/rust-experiments on toolchain f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rickmugridge/rust-experiments
[INFO] finished tweaking git repo https://github.com/rickmugridge/rust-experiments
[INFO] tweaked toml for git repo https://github.com/rickmugridge/rust-experiments written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rickmugridge/rust-experiments 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" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking rickmugridge/rust-experiments against try#f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208 for pr-139419
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickmugridge%2Frust-experiments" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rickmugridge/rust-experiments on toolchain f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rickmugridge/rust-experiments
[INFO] finished tweaking git repo https://github.com/rickmugridge/rust-experiments
[INFO] tweaked toml for git repo https://github.com/rickmugridge/rust-experiments written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rickmugridge/rust-experiments 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" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65a4d00e766fe1b0a17ced9ea3a0423026fa77c29c3b07f1c76f0de14cbf7068
[INFO] running `Command { std: "docker" "start" "-a" "65a4d00e766fe1b0a17ced9ea3a0423026fa77c29c3b07f1c76f0de14cbf7068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65a4d00e766fe1b0a17ced9ea3a0423026fa77c29c3b07f1c76f0de14cbf7068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a4d00e766fe1b0a17ced9ea3a0423026fa77c29c3b07f1c76f0de14cbf7068", kill_on_drop: false }`
[INFO] [stdout] 65a4d00e766fe1b0a17ced9ea3a0423026fa77c29c3b07f1c76f0de14cbf7068
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9b1fc8906c6d8e23cbe6ede3059d26226c72261dfbb95141dc2e56701a98413
[INFO] running `Command { std: "docker" "start" "-a" "b9b1fc8906c6d8e23cbe6ede3059d26226c72261dfbb95141dc2e56701a98413", kill_on_drop: false }`
[INFO] [stderr]     Checking experiments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `Double` in this scope
[INFO] [stdout]   --> src/lifetime/simple_in_struct.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<'a, 'b> Double<'a, 'b> {
[INFO] [stdout]    |              ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Double` in this scope
[INFO] [stdout]   --> src/lifetime/simple_in_struct.rs:30:51
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn make_double<'a, 'b>(p: &'a u32, q: &'b u32) -> Double<'a, 'b> {
[INFO] [stdout]    |                                                   ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Double` in this scope
[INFO] [stdout]   --> src/lifetime/simple_in_struct.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Double { p, q }
[INFO] [stdout]    |     ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0422.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `experiments` (bin "experiments") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `Lines` is never constructed
[INFO] [stdout]   --> src/traits/with_mutable.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Lines {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/closure/closure_traits.rs:104:43
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let _cc: &dyn FnOnce() = capture_s.deref();
[INFO] [stdout]     |                                           ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `dyn FnOnce()` does not implement `Deref`, so calling `deref` on `&dyn FnOnce()` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b9b1fc8906c6d8e23cbe6ede3059d26226c72261dfbb95141dc2e56701a98413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9b1fc8906c6d8e23cbe6ede3059d26226c72261dfbb95141dc2e56701a98413", kill_on_drop: false }`
[INFO] [stdout] b9b1fc8906c6d8e23cbe6ede3059d26226c72261dfbb95141dc2e56701a98413