[INFO] cloning repository https://github.com/lowks/gettingrusty [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lowks/gettingrusty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowks%2Fgettingrusty", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowks%2Fgettingrusty'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6c793a1888c8b5ef702b8ea63e1e91c9084c7e9a [INFO] testing lowks/gettingrusty against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowks%2Fgettingrusty" "/workspace/builds/worker-104/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lowks/gettingrusty 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/lowks/gettingrusty [INFO] finished tweaking git repo https://github.com/lowks/gettingrusty [INFO] tweaked toml for git repo https://github.com/lowks/gettingrusty written to /workspace/builds/worker-104/source/Cargo.toml [INFO] crate git repo https://github.com/lowks/gettingrusty 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] c1990d258fc4ad6e795123f6d9ba5c1743ba999a98432618dec30a141acb3a17 [INFO] running `Command { std: "docker" "start" "-a" "c1990d258fc4ad6e795123f6d9ba5c1743ba999a98432618dec30a141acb3a17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1990d258fc4ad6e795123f6d9ba5c1743ba999a98432618dec30a141acb3a17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1990d258fc4ad6e795123f6d9ba5c1743ba999a98432618dec30a141acb3a17", kill_on_drop: false }` [INFO] [stdout] c1990d258fc4ad6e795123f6d9ba5c1743ba999a98432618dec30a141acb3a17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] e2a792aea4fe37679594a559bd72aa853541d8df582856bfac71dd04341bb7af [INFO] running `Command { std: "docker" "start" "-a" "e2a792aea4fe37679594a559bd72aa853541d8df582856bfac71dd04341bb7af", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling gettingrusty v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/semicolons.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | 2 * m; [INFO] [stdout] | ^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 13 | let _ = 2 * m; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.23s [INFO] running `Command { std: "docker" "inspect" "e2a792aea4fe37679594a559bd72aa853541d8df582856bfac71dd04341bb7af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2a792aea4fe37679594a559bd72aa853541d8df582856bfac71dd04341bb7af", kill_on_drop: false }` [INFO] [stdout] e2a792aea4fe37679594a559bd72aa853541d8df582856bfac71dd04341bb7af [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] b3b8970f03e6f1441ed811f1198b13408ea8502bc1b6a192874b454ee6e1faa6 [INFO] running `Command { std: "docker" "start" "-a" "b3b8970f03e6f1441ed811f1198b13408ea8502bc1b6a192874b454ee6e1faa6", kill_on_drop: false }` [INFO] [stderr] Compiling gettingrusty v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/semicolons.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | 2 * m; [INFO] [stdout] | ^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 13 | let _ = 2 * m; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.33s [INFO] running `Command { std: "docker" "inspect" "b3b8970f03e6f1441ed811f1198b13408ea8502bc1b6a192874b454ee6e1faa6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3b8970f03e6f1441ed811f1198b13408ea8502bc1b6a192874b454ee6e1faa6", kill_on_drop: false }` [INFO] [stdout] b3b8970f03e6f1441ed811f1198b13408ea8502bc1b6a192874b454ee6e1faa6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 7138424c2753d0bc5697142b8e43a059652587d187fdd445055e17658d5b5176 [INFO] running `Command { std: "docker" "start" "-a" "7138424c2753d0bc5697142b8e43a059652587d187fdd445055e17658d5b5176", kill_on_drop: false }` [INFO] [stderr] warning: unused arithmetic operation that must be used [INFO] [stderr] --> src/semicolons.rs:13:7 [INFO] [stderr] | [INFO] [stderr] 13 | 2 * m; [INFO] [stderr] | ^^^^^ the arithmetic operation produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 13 | let _ = 2 * m; [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `gettingrusty` (bin "gettingrusty" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/gettingrusty-83952d56b3d081a8) [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test conditionals::test_conditionals ... ok [INFO] [stdout] test functional::test_functional ... ok [INFO] [stdout] test guard_clause::test_pattern_m ... ok [INFO] [stdout] test matching::test_matching ... ok [INFO] [stdout] test pattern_match::test_pattern_m ... ok [INFO] [stdout] test semicolons::test_expr ... ok [INFO] [stdout] test string::test_push_string ... ok [INFO] [stdout] test string::test_replace ... ok [INFO] [stdout] test string::test_truncate ... ok [INFO] [stdout] test string::test_string_capacity ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7138424c2753d0bc5697142b8e43a059652587d187fdd445055e17658d5b5176", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7138424c2753d0bc5697142b8e43a059652587d187fdd445055e17658d5b5176", kill_on_drop: false }` [INFO] [stdout] 7138424c2753d0bc5697142b8e43a059652587d187fdd445055e17658d5b5176