[INFO] cloning repository https://github.com/e-strauss/RustGettingStarted [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/e-strauss/RustGettingStarted" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe-strauss%2FRustGettingStarted", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe-strauss%2FRustGettingStarted'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5ca3176b3362a95cb0ba442e1a57fe87b12d22af [INFO] checking e-strauss/RustGettingStarted against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe-strauss%2FRustGettingStarted" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/e-strauss/RustGettingStarted [INFO] finished tweaking git repo https://github.com/e-strauss/RustGettingStarted [INFO] tweaked toml for git repo https://github.com/e-strauss/RustGettingStarted written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/e-strauss/RustGettingStarted on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/e-strauss/RustGettingStarted 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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "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] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.166 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] be5465eae1c2ce9d2b71403ae004805b6d8e5c554b429cb680a8ff4dcc9ab029 [INFO] running `Command { std: "docker" "start" "-a" "be5465eae1c2ce9d2b71403ae004805b6d8e5c554b429cb680a8ff4dcc9ab029", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be5465eae1c2ce9d2b71403ae004805b6d8e5c554b429cb680a8ff4dcc9ab029", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be5465eae1c2ce9d2b71403ae004805b6d8e5c554b429cb680a8ff4dcc9ab029", kill_on_drop: false }` [INFO] [stdout] be5465eae1c2ce9d2b71403ae004805b6d8e5c554b429cb680a8ff4dcc9ab029 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 485dbba117cf397fb2c87954133ba2bc3439a97c7db2587e5e3786fa583b3c37 [INFO] running `Command { std: "docker" "start" "-a" "485dbba117cf397fb2c87954133ba2bc3439a97c7db2587e5e3786fa583b3c37", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.166 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Compiling syn v2.0.89 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking ferris-says v0.3.2 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking RustGettingStarted v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> src/main.rs:230:24 [INFO] [stdout] | [INFO] [stdout] 230 | fn find_deleted_number(list: &[u16], mixed_list: &[u16]) -> Option { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> src/main.rs:230:24 [INFO] [stdout] | [INFO] [stdout] 230 | fn find_deleted_number(list: &[u16], mixed_list: &[u16]) -> Option { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mixed_list` [INFO] [stdout] --> src/main.rs:230:38 [INFO] [stdout] | [INFO] [stdout] 230 | fn find_deleted_number(list: &[u16], mixed_list: &[u16]) -> Option { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mixed_list` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mixed_list` [INFO] [stdout] --> src/main.rs:230:38 [INFO] [stdout] | [INFO] [stdout] 230 | fn find_deleted_number(list: &[u16], mixed_list: &[u16]) -> Option { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mixed_list` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_deleted_number` is never used [INFO] [stdout] --> src/main.rs:230:4 [INFO] [stdout] | [INFO] [stdout] 230 | fn find_deleted_number(list: &[u16], mixed_list: &[u16]) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_deleted_number` is never used [INFO] [stdout] --> src/main.rs:230:4 [INFO] [stdout] | [INFO] [stdout] 230 | fn find_deleted_number(list: &[u16], mixed_list: &[u16]) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.04s [INFO] running `Command { std: "docker" "inspect" "485dbba117cf397fb2c87954133ba2bc3439a97c7db2587e5e3786fa583b3c37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "485dbba117cf397fb2c87954133ba2bc3439a97c7db2587e5e3786fa583b3c37", kill_on_drop: false }` [INFO] [stdout] 485dbba117cf397fb2c87954133ba2bc3439a97c7db2587e5e3786fa583b3c37