[INFO] cloning repository https://github.com/hasanhaja/rust_book_workthrough [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hasanhaja/rust_book_workthrough" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasanhaja%2Frust_book_workthrough", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasanhaja%2Frust_book_workthrough'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fb94a901fa00cfef7e3484d23d28279d003a7cf0 [INFO] checking hasanhaja/rust_book_workthrough against try#6619027b13a87a3597115f2c8231f107bf3a7a5f for pr-139624 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasanhaja%2Frust_book_workthrough" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hasanhaja/rust_book_workthrough on toolchain 6619027b13a87a3597115f2c8231f107bf3a7a5f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hasanhaja/rust_book_workthrough [INFO] finished tweaking git repo https://github.com/hasanhaja/rust_book_workthrough [INFO] tweaked toml for git repo https://github.com/hasanhaja/rust_book_workthrough written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/hasanhaja/rust_book_workthrough 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" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "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 hasanhaja/rust_book_workthrough against try#6619027b13a87a3597115f2c8231f107bf3a7a5f for pr-139624 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasanhaja%2Frust_book_workthrough" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hasanhaja/rust_book_workthrough on toolchain 6619027b13a87a3597115f2c8231f107bf3a7a5f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hasanhaja/rust_book_workthrough [INFO] finished tweaking git repo https://github.com/hasanhaja/rust_book_workthrough [INFO] tweaked toml for git repo https://github.com/hasanhaja/rust_book_workthrough written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/hasanhaja/rust_book_workthrough 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" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "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] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking hasanhaja/rust_book_workthrough against try#6619027b13a87a3597115f2c8231f107bf3a7a5f for pr-139624 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasanhaja%2Frust_book_workthrough" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hasanhaja/rust_book_workthrough on toolchain 6619027b13a87a3597115f2c8231f107bf3a7a5f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hasanhaja/rust_book_workthrough [INFO] finished tweaking git repo https://github.com/hasanhaja/rust_book_workthrough [INFO] tweaked toml for git repo https://github.com/hasanhaja/rust_book_workthrough written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/hasanhaja/rust_book_workthrough 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" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "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 hasanhaja/rust_book_workthrough against try#6619027b13a87a3597115f2c8231f107bf3a7a5f for pr-139624 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasanhaja%2Frust_book_workthrough" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hasanhaja/rust_book_workthrough on toolchain 6619027b13a87a3597115f2c8231f107bf3a7a5f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hasanhaja/rust_book_workthrough [INFO] finished tweaking git repo https://github.com/hasanhaja/rust_book_workthrough [INFO] tweaked toml for git repo https://github.com/hasanhaja/rust_book_workthrough written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/hasanhaja/rust_book_workthrough 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" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "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] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking hasanhaja/rust_book_workthrough against try#6619027b13a87a3597115f2c8231f107bf3a7a5f for pr-139624 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasanhaja%2Frust_book_workthrough" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hasanhaja/rust_book_workthrough on toolchain 6619027b13a87a3597115f2c8231f107bf3a7a5f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hasanhaja/rust_book_workthrough [INFO] finished tweaking git repo https://github.com/hasanhaja/rust_book_workthrough [INFO] tweaked toml for git repo https://github.com/hasanhaja/rust_book_workthrough written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/hasanhaja/rust_book_workthrough 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" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "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] [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 13295a096249d6626c8bdfdc0606708bd385c12c39e5927df94369ee4522f678 [INFO] running `Command { std: "docker" "start" "-a" "13295a096249d6626c8bdfdc0606708bd385c12c39e5927df94369ee4522f678", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "13295a096249d6626c8bdfdc0606708bd385c12c39e5927df94369ee4522f678", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13295a096249d6626c8bdfdc0606708bd385c12c39e5927df94369ee4522f678", kill_on_drop: false }` [INFO] [stdout] 13295a096249d6626c8bdfdc0606708bd385c12c39e5927df94369ee4522f678 [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 73864fc2dce2853d289e2c4b5f4ce22eb1edb16f92fa33d729866bce4d5611d8 [INFO] running `Command { std: "docker" "start" "-a" "73864fc2dce2853d289e2c4b5f4ce22eb1edb16f92fa33d729866bce4d5611d8", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking rust_book_workthrough v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::structs::Rectangle` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::structs::Rectangle; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Guess` is never constructed [INFO] [stdout] --> src/main.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | struct Guess { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl Guess { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 23 | pub fn new(value: i32) -> Guess { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Person` is never constructed [INFO] [stdout] --> src/structs.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Person { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Triangle` is never constructed [INFO] [stdout] --> src/structs.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct Triangle { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Triangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `area` is never used [INFO] [stdout] --> src/structs.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl Triangle { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] 17 | // Method syntax [INFO] [stdout] 18 | pub fn area(&self) -> f64 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rectangle` is never constructed [INFO] [stdout] --> src/structs.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct Rectangle { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `square`, `area`, and `can_hold` are never used [INFO] [stdout] --> src/structs.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 31 | impl Rectangle { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn square(size: u64) -> Rectangle { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn area(&self) -> u64 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | struct Guess { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 19 | value: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Person` is never constructed [INFO] [stdout] --> src/structs.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Person { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Triangle` is never constructed [INFO] [stdout] --> src/structs.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct Triangle { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Triangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `area` is never used [INFO] [stdout] --> src/structs.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl Triangle { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] 17 | // Method syntax [INFO] [stdout] 18 | pub fn area(&self) -> f64 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `square` and `area` are never used [INFO] [stdout] --> src/structs.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 31 | impl Rectangle { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn square(size: u64) -> Rectangle { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn area(&self) -> u64 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.32s [INFO] running `Command { std: "docker" "inspect" "73864fc2dce2853d289e2c4b5f4ce22eb1edb16f92fa33d729866bce4d5611d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73864fc2dce2853d289e2c4b5f4ce22eb1edb16f92fa33d729866bce4d5611d8", kill_on_drop: false }` [INFO] [stdout] 73864fc2dce2853d289e2c4b5f4ce22eb1edb16f92fa33d729866bce4d5611d8