[INFO] fetching crate okasaki 0.1.0... [INFO] testing okasaki-0.1.0 against 1.90.0 for beta-1.91-3 [INFO] extracting crate okasaki 0.1.0 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate okasaki 0.1.0 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b19db181f60e502c6dcaee3395f0f5113499e984d860954f1a1fc2e728ec229a [INFO] running `Command { std: "docker" "start" "-a" "b19db181f60e502c6dcaee3395f0f5113499e984d860954f1a1fc2e728ec229a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b19db181f60e502c6dcaee3395f0f5113499e984d860954f1a1fc2e728ec229a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b19db181f60e502c6dcaee3395f0f5113499e984d860954f1a1fc2e728ec229a", kill_on_drop: false }` [INFO] [stdout] b19db181f60e502c6dcaee3395f0f5113499e984d860954f1a1fc2e728ec229a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 64a1554fe907533c9605ff8305b1a16854c01127da759c3ea648e2a0d2deea9f [INFO] running `Command { std: "docker" "start" "-a" "64a1554fe907533c9605ff8305b1a16854c01127da759c3ea648e2a0d2deea9f", 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)]` 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 0.12s [INFO] running `Command { std: "docker" "inspect" "64a1554fe907533c9605ff8305b1a16854c01127da759c3ea648e2a0d2deea9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64a1554fe907533c9605ff8305b1a16854c01127da759c3ea648e2a0d2deea9f", kill_on_drop: false }` [INFO] [stdout] 64a1554fe907533c9605ff8305b1a16854c01127da759c3ea648e2a0d2deea9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b73aacf7cec95463310f03d38b41b1c485ad094992bcbcd51ca0d759bd9e24c6 [INFO] running `Command { std: "docker" "start" "-a" "b73aacf7cec95463310f03d38b41b1c485ad094992bcbcd51ca0d759bd9e24c6", 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)]` 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "b73aacf7cec95463310f03d38b41b1c485ad094992bcbcd51ca0d759bd9e24c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b73aacf7cec95463310f03d38b41b1c485ad094992bcbcd51ca0d759bd9e24c6", kill_on_drop: false }` [INFO] [stdout] b73aacf7cec95463310f03d38b41b1c485ad094992bcbcd51ca0d759bd9e24c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2a01f861941b0b6347382c92283c779932bbf560ed932d7752527860fb10d4c9 [INFO] running `Command { std: "docker" "start" "-a" "2a01f861941b0b6347382c92283c779932bbf560ed932d7752527860fb10d4c9", 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)]` 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)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `okasaki` (lib test) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/okasaki-96d97dc8339f439c) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test list::tests::test_new_list ... ok [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [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" "2a01f861941b0b6347382c92283c779932bbf560ed932d7752527860fb10d4c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a01f861941b0b6347382c92283c779932bbf560ed932d7752527860fb10d4c9", kill_on_drop: false }` [INFO] [stdout] 2a01f861941b0b6347382c92283c779932bbf560ed932d7752527860fb10d4c9