[INFO] fetching crate buildkit-rs-reference 0.1.0...
[INFO] checking buildkit-rs-reference-0.1.0 against 895980e0290783bb09b1ccf1b11f14eb09b10430 for pr-160186
[INFO] extracting crate buildkit-rs-reference 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate buildkit-rs-reference 0.1.0
[INFO] finished tweaking crates.io crate buildkit-rs-reference 0.1.0
[INFO] tweaked toml for crates.io crate buildkit-rs-reference 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate buildkit-rs-reference 0.1.0 on toolchain 895980e0290783bb09b1ccf1b11f14eb09b10430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking buildkit-rs-reference-0.1.0 against 895980e0290783bb09b1ccf1b11f14eb09b10430 for pr-160186
[INFO] extracting crate buildkit-rs-reference 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate buildkit-rs-reference 0.1.0
[INFO] finished tweaking crates.io crate buildkit-rs-reference 0.1.0
[INFO] tweaked toml for crates.io crate buildkit-rs-reference 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate buildkit-rs-reference 0.1.0 on toolchain 895980e0290783bb09b1ccf1b11f14eb09b10430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 12 packages to highest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.21)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "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-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4bc4bb7312755d3dd0f8b91c4a69b9d50994df55f0daa79d8db54abeddb688b0
[INFO] running `Command { std: "docker" "start" "4bc4bb7312755d3dd0f8b91c4a69b9d50994df55f0daa79d8db54abeddb688b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bc4bb7312755d3dd0f8b91c4a69b9d50994df55f0daa79d8db54abeddb688b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4bc4bb7312755d3dd0f8b91c4a69b9d50994df55f0daa79d8db54abeddb688b0" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bc4bb7312755d3dd0f8b91c4a69b9d50994df55f0daa79d8db54abeddb688b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4bc4bb7312755d3dd0f8b91c4a69b9d50994df55f0daa79d8db54abeddb688b0" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.27
[INFO] [stderr]     Checking aho-corasick v1.1.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking regex v1.13.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking buildkit-rs-reference v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/reference.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn normalized_path(&self) -> Option<Cow<str>> {
[INFO] [stdout]    |                            ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn normalized_path(&self) -> Option<Cow<'_, str>> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/reference.rs:166:17
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn path(&self) -> Option<Cow<str>> {
[INFO] [stdout]     |                 ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn path(&self) -> Option<Cow<'_, str>> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/reference.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn normalized_path(&self) -> Option<Cow<str>> {
[INFO] [stdout]    |                            ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn normalized_path(&self) -> Option<Cow<'_, str>> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/reference.rs:166:17
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn path(&self) -> Option<Cow<str>> {
[INFO] [stdout]     |                 ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn path(&self) -> Option<Cow<'_, str>> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.10s
[INFO] running `Command { std: "docker" "inspect" "4bc4bb7312755d3dd0f8b91c4a69b9d50994df55f0daa79d8db54abeddb688b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc4bb7312755d3dd0f8b91c4a69b9d50994df55f0daa79d8db54abeddb688b0", kill_on_drop: false }`
[INFO] [stdout] 4bc4bb7312755d3dd0f8b91c4a69b9d50994df55f0daa79d8db54abeddb688b0
