[INFO] cloning repository https://github.com/robinsonj/project_euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robinsonj/project_euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinsonj%2Fproject_euler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinsonj%2Fproject_euler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba494a87e0c8f114cd0c9654564a56559da8d47d
[INFO] checking robinsonj/project_euler against master#7606c13961ddc1174b70638e934df0439b7dc515 for pr-121979
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinsonj%2Fproject_euler" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robinsonj/project_euler on toolchain 7606c13961ddc1174b70638e934df0439b7dc515
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7606c13961ddc1174b70638e934df0439b7dc515" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/robinsonj/project_euler
[INFO] finished tweaking git repo https://github.com/robinsonj/project_euler
[INFO] tweaked toml for git repo https://github.com/robinsonj/project_euler written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/robinsonj/project_euler 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" "+7606c13961ddc1174b70638e934df0439b7dc515" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[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 robinsonj/project_euler against try#ae973628c64ab60398819bcc1fd9f08ae68ad5b5 for pr-121979
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinsonj%2Fproject_euler" "/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/robinsonj/project_euler on toolchain ae973628c64ab60398819bcc1fd9f08ae68ad5b5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/robinsonj/project_euler
[INFO] finished tweaking git repo https://github.com/robinsonj/project_euler
[INFO] tweaked toml for git repo https://github.com/robinsonj/project_euler written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/robinsonj/project_euler 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" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d13abf89c10c111fb71fd9bbe4c81733d01db67b49a844e31ad39c59e6d8af6
[INFO] running `Command { std: "docker" "start" "-a" "9d13abf89c10c111fb71fd9bbe4c81733d01db67b49a844e31ad39c59e6d8af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d13abf89c10c111fb71fd9bbe4c81733d01db67b49a844e31ad39c59e6d8af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d13abf89c10c111fb71fd9bbe4c81733d01db67b49a844e31ad39c59e6d8af6", kill_on_drop: false }`
[INFO] [stdout] 9d13abf89c10c111fb71fd9bbe4c81733d01db67b49a844e31ad39c59e6d8af6
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 527d5906c559a8279a9ad52db513a80ba68196b4b15d47c6f6e991677b4f923c
[INFO] running `Command { std: "docker" "start" "-a" "527d5906c559a8279a9ad52db513a80ba68196b4b15d47c6f6e991677b4f923c", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]     Checking euler_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/math/primes/mod.rs:151:7
[INFO] [stdout]     |
[INFO] [stdout] 151 |     2 ... 3         => true,
[INFO] [stdout]     |       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/math/primes/mod.rs:151:7
[INFO] [stdout]     |
[INFO] [stdout] 151 |     2 ... 3         => true,
[INFO] [stdout]     |       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/solver/mod.rs:39:40
[INFO] [stdout]    |
[INFO] [stdout] 39 |       SolverFunction::FunctionWithFile(file_name, solve) => {
[INFO] [stdout]    |                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FunctionWithFile` is never constructed
[INFO] [stdout]  --> src/solver/mod.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum SolverFunction<'a> {
[INFO] [stdout]   |      -------------- variant in this enum
[INFO] [stdout] 2 |   Function(fn() -> String),
[INFO] [stdout] 3 |   FunctionWithFile(&'a str, fn() -> String)
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/solver/mod.rs:39:40
[INFO] [stdout]    |
[INFO] [stdout] 39 |       SolverFunction::FunctionWithFile(file_name, solve) => {
[INFO] [stdout]    |                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FunctionWithFile` is never constructed
[INFO] [stdout]  --> src/solver/mod.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum SolverFunction<'a> {
[INFO] [stdout]   |      -------------- variant in this enum
[INFO] [stdout] 2 |   Function(fn() -> String),
[INFO] [stdout] 3 |   FunctionWithFile(&'a str, fn() -> String)
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "527d5906c559a8279a9ad52db513a80ba68196b4b15d47c6f6e991677b4f923c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "527d5906c559a8279a9ad52db513a80ba68196b4b15d47c6f6e991677b4f923c", kill_on_drop: false }`
[INFO] [stdout] 527d5906c559a8279a9ad52db513a80ba68196b4b15d47c6f6e991677b4f923c