[INFO] cloning repository https://github.com/Alvynskio/rust_book_projects [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Alvynskio/rust_book_projects" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlvynskio%2Frust_book_projects", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlvynskio%2Frust_book_projects'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0271a7f2692e09d0e86549849fc1cdc0cd314cb2 [INFO] testing Alvynskio/rust_book_projects against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlvynskio%2Frust_book_projects" "/workspace/builds/worker-119/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-119/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Alvynskio/rust_book_projects on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Alvynskio/rust_book_projects [INFO] finished tweaking git repo https://github.com/Alvynskio/rust_book_projects [INFO] tweaked toml for git repo https://github.com/Alvynskio/rust_book_projects written to /workspace/builds/worker-119/source/Cargo.toml [INFO] crate git repo https://github.com/Alvynskio/rust_book_projects already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8deaa50c534e113189a234d36003b70cf9e5416511a7d999a66b849e6ef1dad7 [INFO] running `Command { std: "docker" "start" "-a" "8deaa50c534e113189a234d36003b70cf9e5416511a7d999a66b849e6ef1dad7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8deaa50c534e113189a234d36003b70cf9e5416511a7d999a66b849e6ef1dad7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8deaa50c534e113189a234d36003b70cf9e5416511a7d999a66b849e6ef1dad7", kill_on_drop: false }` [INFO] [stdout] 8deaa50c534e113189a234d36003b70cf9e5416511a7d999a66b849e6ef1dad7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0489fa44395c7d69b37e0f8887b4e0d46bd8368aedc7d19d4868fa8e9f5686e6 [INFO] running `Command { std: "docker" "start" "-a" "0489fa44395c7d69b37e0f8887b4e0d46bd8368aedc7d19d4868fa8e9f5686e6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling book_projects v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/slice.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let mut s = String::from("hello world"); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 00s [INFO] running `Command { std: "docker" "inspect" "0489fa44395c7d69b37e0f8887b4e0d46bd8368aedc7d19d4868fa8e9f5686e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0489fa44395c7d69b37e0f8887b4e0d46bd8368aedc7d19d4868fa8e9f5686e6", kill_on_drop: false }` [INFO] [stdout] 0489fa44395c7d69b37e0f8887b4e0d46bd8368aedc7d19d4868fa8e9f5686e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d55ffd0b114eed899e44840ca557bb41a0e94f518da1009b483f33db28bfb4f1 [INFO] running `Command { std: "docker" "start" "-a" "d55ffd0b114eed899e44840ca557bb41a0e94f518da1009b483f33db28bfb4f1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling book_projects v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/slice.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let mut s = String::from("hello world"); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.66s [INFO] running `Command { std: "docker" "inspect" "d55ffd0b114eed899e44840ca557bb41a0e94f518da1009b483f33db28bfb4f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d55ffd0b114eed899e44840ca557bb41a0e94f518da1009b483f33db28bfb4f1", kill_on_drop: false }` [INFO] [stdout] d55ffd0b114eed899e44840ca557bb41a0e94f518da1009b483f33db28bfb4f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b708a55960fcf79b6790d07fe91301524c3059169724f0ab989fa70a9ecf15ef [INFO] running `Command { std: "docker" "start" "-a" "b708a55960fcf79b6790d07fe91301524c3059169724f0ab989fa70a9ecf15ef", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/slice.rs:2:9 [INFO] [stderr] | [INFO] [stderr] 2 | let mut s = String::from("hello world"); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `book_projects` (bin "book_projects" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.87s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/book_projects-3d997db65ea09879) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b708a55960fcf79b6790d07fe91301524c3059169724f0ab989fa70a9ecf15ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b708a55960fcf79b6790d07fe91301524c3059169724f0ab989fa70a9ecf15ef", kill_on_drop: false }` [INFO] [stdout] b708a55960fcf79b6790d07fe91301524c3059169724f0ab989fa70a9ecf15ef