[INFO] cloning repository https://github.com/bmxm/rust-demoes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bmxm/rust-demoes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmxm%2Frust-demoes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmxm%2Frust-demoes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fff48dbebedfaf24be13c1c3c310541f4cef0cb3
[INFO] checking bmxm/rust-demoes against master#74c3f5a146860c94ff4d179fc3bfa34f879adf41 for pr-120248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmxm%2Frust-demoes" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bmxm/rust-demoes on toolchain 74c3f5a146860c94ff4d179fc3bfa34f879adf41
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+74c3f5a146860c94ff4d179fc3bfa34f879adf41" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bmxm/rust-demoes
[INFO] finished tweaking git repo https://github.com/bmxm/rust-demoes
[INFO] tweaked toml for git repo https://github.com/bmxm/rust-demoes written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bmxm/rust-demoes 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" "+74c3f5a146860c94ff4d179fc3bfa34f879adf41" "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
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking bmxm/rust-demoes against try#13cae6066db2d5e6c9bb508caceec8d34ca49980 for pr-120248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmxm%2Frust-demoes" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bmxm/rust-demoes on toolchain 13cae6066db2d5e6c9bb508caceec8d34ca49980
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bmxm/rust-demoes
[INFO] finished tweaking git repo https://github.com/bmxm/rust-demoes
[INFO] tweaked toml for git repo https://github.com/bmxm/rust-demoes written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/bmxm/rust-demoes 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" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3c07c0d2bd83a367e764d343a9c43aad1aec5de206f4505ee7d95080fea8704
[INFO] running `Command { std: "docker" "start" "-a" "d3c07c0d2bd83a367e764d343a9c43aad1aec5de206f4505ee7d95080fea8704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3c07c0d2bd83a367e764d343a9c43aad1aec5de206f4505ee7d95080fea8704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c07c0d2bd83a367e764d343a9c43aad1aec5de206f4505ee7d95080fea8704", kill_on_drop: false }`
[INFO] [stdout] d3c07c0d2bd83a367e764d343a9c43aad1aec5de206f4505ee7d95080fea8704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1563de3294f39787340e1ac0ced56f820f79925682a23be9760e2ca89b8b4360
[INFO] running `Command { std: "docker" "start" "-a" "1563de3294f39787340e1ac0ced56f820f79925682a23be9760e2ca89b8b4360", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-demoes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/fn_demo/mod.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn add(x: i32, y :i32) -> i32 {
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Container` is never constructed
[INFO] [stdout]   --> src/generic_demo/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Container<T> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `play` and `pause` are never used
[INFO] [stdout]   --> src/trait_demo/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait Playable {
[INFO] [stdout]    |           -------- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn play(&self);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 21 |     fn pause() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Vehicle` is never used
[INFO] [stdout]   --> src/trait_demo/mod.rs:67:7
[INFO] [stdout]    |
[INFO] [stdout] 67 | trait Vehicle {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> src/pattern_destructure_demo/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum` is never used
[INFO] [stdout]   --> src/borrow_demo/mod.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn sum(data: &Vec<u32>) -> u32 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `give_me` in this scope
[INFO] [stdout]   --> src/generic_demo/mod.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let v = give_me("hello");
[INFO] [stdout]    |             ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `Container` in the current scope
[INFO] [stdout]   --> src/generic_demo/mod.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Container<T> {
[INFO] [stdout]    | ------------------- function or associated item `new` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 44 |    let c = Container::new("hello");
[INFO] [stdout]    |                       ^^^ function or associated item not found in `Container<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `Container<_>` is not an iterator
[INFO] [stdout]   --> src/generic_demo/mod.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Container<T> {
[INFO] [stdout]    | ------------------- function or associated item `sum` not found for this struct because it doesn't satisfy `Container<_>: Iterator`
[INFO] [stdout] ...
[INFO] [stdout] 50 |     let _ = Container::sum(32);
[INFO] [stdout]    |                        ^^^ `Container<_>` is not an iterator
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `Container<_>: Iterator`
[INFO] [stdout]            which is required by `&mut Container<_>: Iterator`
[INFO] [stdout] note: the trait `Iterator` must be implemented
[INFO] [stdout]   --> /rustc/13cae6066db2d5e6c9bb508caceec8d34ca49980/library/core/src/iter/traits/iterator.rs:75:1
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following traits define an item `sum`, perhaps you need to implement one of them:
[INFO] [stdout]            candidate #1: `Sum`
[INFO] [stdout]            candidate #2: `Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `push_local_ref` in this scope
[INFO] [stdout]   --> src/borrow_demo/mod.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     push_local_ref(&mut data);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-demoes` (bin "rust-demoes" test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "1563de3294f39787340e1ac0ced56f820f79925682a23be9760e2ca89b8b4360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1563de3294f39787340e1ac0ced56f820f79925682a23be9760e2ca89b8b4360", kill_on_drop: false }`
[INFO] [stdout] 1563de3294f39787340e1ac0ced56f820f79925682a23be9760e2ca89b8b4360