[INFO] fetching crate okasaki 0.1.0... [INFO] testing okasaki-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate okasaki 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate okasaki 0.1.0 [INFO] finished tweaking crates.io crate okasaki 0.1.0 [INFO] tweaked toml for crates.io crate okasaki 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate okasaki 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e3b5c43b9e4f4bf444f2b14e67e5d8dec930ac8e99ab1e02869c714399c06a8f [INFO] running `Command { std: "docker" "start" "-a" "e3b5c43b9e4f4bf444f2b14e67e5d8dec930ac8e99ab1e02869c714399c06a8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e3b5c43b9e4f4bf444f2b14e67e5d8dec930ac8e99ab1e02869c714399c06a8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3b5c43b9e4f4bf444f2b14e67e5d8dec930ac8e99ab1e02869c714399c06a8f", kill_on_drop: false }` [INFO] [stdout] e3b5c43b9e4f4bf444f2b14e67e5d8dec930ac8e99ab1e02869c714399c06a8f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5eb66851c8a3c167580b74da361aa517674a23dda191465e0b71df6f4809b1e5 [INFO] running `Command { std: "docker" "start" "-a" "5eb66851c8a3c167580b74da361aa517674a23dda191465e0b71df6f4809b1e5", kill_on_drop: false }` [INFO] [stderr] Compiling okasaki v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `ListNode` is never constructed [INFO] [stdout] --> src/list.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct ListNode { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `len` is never used [INFO] [stdout] --> src/list.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 6 | impl ListNode { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] 7 | fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `List` is never constructed [INFO] [stdout] --> src/list.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `len` are never used [INFO] [stdout] --> src/list.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl List { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 23 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s [INFO] running `Command { std: "docker" "inspect" "5eb66851c8a3c167580b74da361aa517674a23dda191465e0b71df6f4809b1e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5eb66851c8a3c167580b74da361aa517674a23dda191465e0b71df6f4809b1e5", kill_on_drop: false }` [INFO] [stdout] 5eb66851c8a3c167580b74da361aa517674a23dda191465e0b71df6f4809b1e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3d05f45de305f2299fc02d936fc23d7bfcc2d72e578e53058c5eb2a1251b635 [INFO] running `Command { std: "docker" "start" "-a" "a3d05f45de305f2299fc02d936fc23d7bfcc2d72e578e53058c5eb2a1251b635", kill_on_drop: false }` [INFO] [stdout] warning: struct `ListNode` is never constructed [INFO] [stdout] --> src/list.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct ListNode { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `len` is never used [INFO] [stdout] --> src/list.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 6 | impl ListNode { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] 7 | fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling okasaki v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `List` is never constructed [INFO] [stdout] --> src/list.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `len` are never used [INFO] [stdout] --> src/list.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl List { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 23 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/list.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | struct ListNode { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 2 | value: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "a3d05f45de305f2299fc02d936fc23d7bfcc2d72e578e53058c5eb2a1251b635", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3d05f45de305f2299fc02d936fc23d7bfcc2d72e578e53058c5eb2a1251b635", kill_on_drop: false }` [INFO] [stdout] a3d05f45de305f2299fc02d936fc23d7bfcc2d72e578e53058c5eb2a1251b635 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] edfc49279fe75322d34ac2e89208d17fe88b79ac6e6faf787cacc2cb5a0e6ad6 [INFO] running `Command { std: "docker" "start" "-a" "edfc49279fe75322d34ac2e89208d17fe88b79ac6e6faf787cacc2cb5a0e6ad6", kill_on_drop: false }` [INFO] [stderr] warning: struct `ListNode` is never constructed [INFO] [stderr] --> src/list.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | struct ListNode { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: method `len` is never used [INFO] [stderr] --> src/list.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 6 | impl ListNode { [INFO] [stderr] | ------------------- method in this implementation [INFO] [stderr] 7 | fn len(&self) -> usize { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `List` is never constructed [INFO] [stderr] --> src/list.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 12 | struct List { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated items `new` and `len` are never used [INFO] [stderr] --> src/list.rs:23:12 [INFO] [stderr] | [INFO] [stderr] 22 | impl List { [INFO] [stderr] | --------------- associated items in this implementation [INFO] [stderr] 23 | pub fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 27 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `okasaki` (lib) generated 4 warnings [INFO] [stderr] warning: field `value` is never read [INFO] [stderr] --> src/list.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 1 | struct ListNode { [INFO] [stderr] | -------- field in this struct [INFO] [stderr] 2 | value: T, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `okasaki` (lib test) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/okasaki-1f26d824b4e6d63f) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] test list::tests::test_new_list ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests okasaki [INFO] [stdout] [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" "edfc49279fe75322d34ac2e89208d17fe88b79ac6e6faf787cacc2cb5a0e6ad6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "edfc49279fe75322d34ac2e89208d17fe88b79ac6e6faf787cacc2cb5a0e6ad6", kill_on_drop: false }` [INFO] [stdout] edfc49279fe75322d34ac2e89208d17fe88b79ac6e6faf787cacc2cb5a0e6ad6