[INFO] cloning repository https://github.com/e10ulen/rust_mod [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/e10ulen/rust_mod" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe10ulen%2Frust_mod", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe10ulen%2Frust_mod'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b49d244cfb29a21f47d91231a4210abe24b2376a [INFO] testing e10ulen/rust_mod against master#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe10ulen%2Frust_mod" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/e10ulen/rust_mod [INFO] finished tweaking git repo https://github.com/e10ulen/rust_mod [INFO] tweaked toml for git repo https://github.com/e10ulen/rust_mod written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/e10ulen/rust_mod on toolchain b03b3a7ec92682be2917540b679478d41c95a30c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/e10ulen/rust_mod 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" "+b03b3a7ec92682be2917540b679478d41c95a30c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d406afe3f364db6a577d7564db58a4c99a4b8c701c92d0f2e1c6462d950b6214 [INFO] running `Command { std: "docker" "start" "-a" "d406afe3f364db6a577d7564db58a4c99a4b8c701c92d0f2e1c6462d950b6214", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d406afe3f364db6a577d7564db58a4c99a4b8c701c92d0f2e1c6462d950b6214", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d406afe3f364db6a577d7564db58a4c99a4b8c701c92d0f2e1c6462d950b6214", kill_on_drop: false }` [INFO] [stdout] d406afe3f364db6a577d7564db58a4c99a4b8c701c92d0f2e1c6462d950b6214 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff98e55be9492b0dc0064aeb81528689a704cb2c1416d4eb1a8b711d9fe2c2a5 [INFO] running `Command { std: "docker" "start" "-a" "ff98e55be9492b0dc0064aeb81528689a704cb2c1416d4eb1a8b711d9fe2c2a5", kill_on_drop: false }` [INFO] [stderr] Compiling hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `elt` [INFO] [stdout] --> src/main.rs:30:29 [INFO] [stdout] | [INFO] [stdout] 30 | fn push_back(&mut self, elt: T) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_elt` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `elt` [INFO] [stdout] --> src/main.rs:36:30 [INFO] [stdout] | [INFO] [stdout] 36 | fn push_front(&mut self, elt: T) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_elt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/main.rs:45:19 [INFO] [stdout] | [INFO] [stdout] 45 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/main.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `wddd` is never read [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct DoublyLinkedList { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 8 | wddd:T [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `pop_back` and `pop_front` are never used [INFO] [stdout] --> src/main.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl DoublyLinkedList { [INFO] [stdout] | --------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 18 | fn pop_back(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | fn pop_front(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `Command { std: "docker" "inspect" "ff98e55be9492b0dc0064aeb81528689a704cb2c1416d4eb1a8b711d9fe2c2a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff98e55be9492b0dc0064aeb81528689a704cb2c1416d4eb1a8b711d9fe2c2a5", kill_on_drop: false }` [INFO] [stdout] ff98e55be9492b0dc0064aeb81528689a704cb2c1416d4eb1a8b711d9fe2c2a5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9460e3ba5ebff8e20019599f32c840eb827f128f822e14e550b400542d9b9ada [INFO] running `Command { std: "docker" "start" "-a" "9460e3ba5ebff8e20019599f32c840eb827f128f822e14e550b400542d9b9ada", kill_on_drop: false }` [INFO] [stderr] Compiling hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `elt` [INFO] [stdout] --> src/main.rs:30:29 [INFO] [stdout] | [INFO] [stdout] 30 | fn push_back(&mut self, elt: T) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_elt` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `elt` [INFO] [stdout] --> src/main.rs:36:30 [INFO] [stdout] | [INFO] [stdout] 36 | fn push_front(&mut self, elt: T) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_elt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/main.rs:45:19 [INFO] [stdout] | [INFO] [stdout] 45 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/main.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `wddd` is never read [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct DoublyLinkedList { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 8 | wddd:T [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `pop_back` and `pop_front` are never used [INFO] [stdout] --> src/main.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl DoublyLinkedList { [INFO] [stdout] | --------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 18 | fn pop_back(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | fn pop_front(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s [INFO] running `Command { std: "docker" "inspect" "9460e3ba5ebff8e20019599f32c840eb827f128f822e14e550b400542d9b9ada", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9460e3ba5ebff8e20019599f32c840eb827f128f822e14e550b400542d9b9ada", kill_on_drop: false }` [INFO] [stdout] 9460e3ba5ebff8e20019599f32c840eb827f128f822e14e550b400542d9b9ada [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2f882921401e0c4f7b5f1124948a396db5d183f43715b47e6dfd5d0c753c9f58 [INFO] running `Command { std: "docker" "start" "-a" "2f882921401e0c4f7b5f1124948a396db5d183f43715b47e6dfd5d0c753c9f58", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `elt` [INFO] [stdout] [INFO] [stderr] --> src/main.rs:30:29 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 30 | fn push_back(&mut self, elt: T) { [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_elt` [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `elt` [INFO] [stderr] --> src/main.rs:36:30 [INFO] [stderr] | [INFO] [stderr] 36 | fn push_front(&mut self, elt: T) { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_elt` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/main.rs:45:19 [INFO] [stderr] | [INFO] [stderr] 45 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: struct `Node` is never constructed [INFO] [stderr] --> src/main.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | struct Node { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `wddd` is never read [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 7 | struct DoublyLinkedList { [INFO] [stderr] | ---------------- field in this struct [INFO] [stderr] 8 | wddd:T [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: methods `pop_back` and `pop_front` are never used [INFO] [stderr] --> src/main.rs:18:8 [INFO] [stderr] | [INFO] [stderr] 11 | impl DoublyLinkedList { [INFO] [stderr] | --------------------------- methods in this implementation [INFO] [stderr] ... [INFO] [stderr] 18 | fn pop_back(&mut self) -> Option { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 24 | fn pop_front(&mut self) -> Option { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `hello` (bin "hello" test) generated 6 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello-90723c0326dfef4d) [INFO] running `Command { std: "docker" "inspect" "2f882921401e0c4f7b5f1124948a396db5d183f43715b47e6dfd5d0c753c9f58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f882921401e0c4f7b5f1124948a396db5d183f43715b47e6dfd5d0c753c9f58", kill_on_drop: false }` [INFO] [stdout] 2f882921401e0c4f7b5f1124948a396db5d183f43715b47e6dfd5d0c753c9f58