[INFO] cloning repository https://github.com/nabesuke5098/rust-practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nabesuke5098/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnabesuke5098%2Frust-practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnabesuke5098%2Frust-practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 11dbb78a643835d678e7401c1f7487c48525fcc8 [INFO] checking nabesuke5098/rust-practice against try#44e31dee3cf6f37b4f652572897bb0eb25c477ee for pr-139763 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnabesuke5098%2Frust-practice" "/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/nabesuke5098/rust-practice on toolchain 44e31dee3cf6f37b4f652572897bb0eb25c477ee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nabesuke5098/rust-practice [INFO] finished tweaking git repo https://github.com/nabesuke5098/rust-practice [INFO] tweaked toml for git repo https://github.com/nabesuke5098/rust-practice written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/nabesuke5098/rust-practice 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" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating git repository `https://github.com/nabesuke5098/lib-demo-rust` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking nabesuke5098/rust-practice against try#44e31dee3cf6f37b4f652572897bb0eb25c477ee for pr-139763 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnabesuke5098%2Frust-practice" "/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/nabesuke5098/rust-practice on toolchain 44e31dee3cf6f37b4f652572897bb0eb25c477ee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nabesuke5098/rust-practice [INFO] finished tweaking git repo https://github.com/nabesuke5098/rust-practice [INFO] tweaked toml for git repo https://github.com/nabesuke5098/rust-practice written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/nabesuke5098/rust-practice 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" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8a0296dd52d533e3eddac1cf45c889c47b562215a030332678fa0056345e80da [INFO] running `Command { std: "docker" "start" "-a" "8a0296dd52d533e3eddac1cf45c889c47b562215a030332678fa0056345e80da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8a0296dd52d533e3eddac1cf45c889c47b562215a030332678fa0056345e80da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a0296dd52d533e3eddac1cf45c889c47b562215a030332678fa0056345e80da", kill_on_drop: false }` [INFO] [stdout] 8a0296dd52d533e3eddac1cf45c889c47b562215a030332678fa0056345e80da [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 071de9854739f87fa3949ab69580c8c789d8b8f859dd6c5adfb01d914b0848b2 [INFO] running `Command { std: "docker" "start" "-a" "071de9854739f87fa3949ab69580c8c789d8b8f859dd6c5adfb01d914b0848b2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking lib_demo v0.1.0 (https://github.com/nabesuke5098/lib-demo-rust#5c3fdde7) [INFO] [stderr] Checking rust-lesson v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `x` is assigned to, but never used [INFO] [stdout] --> src/debug.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | let mut x = 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_x` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/debug.rs:3:3 [INFO] [stdout] | [INFO] [stdout] 3 | x = 2; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/debug.rs:4:3 [INFO] [stdout] | [INFO] [stdout] 4 | x = 3; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `y` is assigned to, but never used [INFO] [stdout] --> src/debug.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | let mut y = 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_y` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `y` is never read [INFO] [stdout] --> src/debug.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | y = 2; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `y` is never read [INFO] [stdout] --> src/debug.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | y = 3; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/debug.rs:10:3 [INFO] [stdout] | [INFO] [stdout] 10 | x = 4; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/debug.rs:11:3 [INFO] [stdout] | [INFO] [stdout] 11 | x = 5; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rectangle` is never constructed [INFO] [stdout] --> src/unit_test.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Rectangle { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `compare_area` is never used [INFO] [stdout] --> src/unit_test.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 5 | impl Rectangle { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 6 | fn compare_area(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `double_value` is never used [INFO] [stdout] --> src/unit_test.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn double_value(a: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `greeting` is never used [INFO] [stdout] --> src/unit_test.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn greeting(name: &str) -> String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `x` is assigned to, but never used [INFO] [stdout] --> src/debug.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | let mut x = 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_x` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/debug.rs:3:3 [INFO] [stdout] | [INFO] [stdout] 3 | x = 2; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/debug.rs:4:3 [INFO] [stdout] | [INFO] [stdout] 4 | x = 3; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `y` is assigned to, but never used [INFO] [stdout] --> src/debug.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | let mut y = 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_y` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `y` is never read [INFO] [stdout] --> src/debug.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | y = 2; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `y` is never read [INFO] [stdout] --> src/debug.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | y = 3; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/debug.rs:10:3 [INFO] [stdout] | [INFO] [stdout] 10 | x = 4; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/debug.rs:11:3 [INFO] [stdout] | [INFO] [stdout] 11 | x = 5; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.11s [INFO] running `Command { std: "docker" "inspect" "071de9854739f87fa3949ab69580c8c789d8b8f859dd6c5adfb01d914b0848b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "071de9854739f87fa3949ab69580c8c789d8b8f859dd6c5adfb01d914b0848b2", kill_on_drop: false }` [INFO] [stdout] 071de9854739f87fa3949ab69580c8c789d8b8f859dd6c5adfb01d914b0848b2