[INFO] fetching crate llist 0.7.3... [INFO] testing llist-0.7.3 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8 [INFO] extracting crate llist 0.7.3 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate llist 0.7.3 [INFO] finished tweaking crates.io crate llist 0.7.3 [INFO] tweaked toml for crates.io crate llist 0.7.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate llist 0.7.3 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 1 package to latest compatible version [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6c2914ce56d7b7e09761f406eef1eb52480064930b1f090c44083fadd5ba3af1 [INFO] running `Command { std: "docker" "start" "-a" "6c2914ce56d7b7e09761f406eef1eb52480064930b1f090c44083fadd5ba3af1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c2914ce56d7b7e09761f406eef1eb52480064930b1f090c44083fadd5ba3af1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c2914ce56d7b7e09761f406eef1eb52480064930b1f090c44083fadd5ba3af1", kill_on_drop: false }` [INFO] [stdout] 6c2914ce56d7b7e09761f406eef1eb52480064930b1f090c44083fadd5ba3af1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a85bf77498cdcc75208b5229dd22807015a6ce698bbf7bc6d5323de7a985807 [INFO] running `Command { std: "docker" "start" "-a" "8a85bf77498cdcc75208b5229dd22807015a6ce698bbf7bc6d5323de7a985807", kill_on_drop: false }` [INFO] [stderr] Compiling bumpalo v3.19.0 [INFO] [stderr] Compiling llist v0.7.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:67:16 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn nil(&self) -> ConsRef { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 67 | pub fn nil(&self) -> ConsRef<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "8a85bf77498cdcc75208b5229dd22807015a6ce698bbf7bc6d5323de7a985807", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a85bf77498cdcc75208b5229dd22807015a6ce698bbf7bc6d5323de7a985807", kill_on_drop: false }` [INFO] [stdout] 8a85bf77498cdcc75208b5229dd22807015a6ce698bbf7bc6d5323de7a985807 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 69cd80d874844cc9a0ba81909ef812183463adf84fd284a627802a236b3692f4 [INFO] running `Command { std: "docker" "start" "-a" "69cd80d874844cc9a0ba81909ef812183463adf84fd284a627802a236b3692f4", kill_on_drop: false }` [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:67:16 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn nil(&self) -> ConsRef { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 67 | pub fn nil(&self) -> ConsRef<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling llist v0.7.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:67:16 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn nil(&self) -> ConsRef { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 67 | pub fn nil(&self) -> ConsRef<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "69cd80d874844cc9a0ba81909ef812183463adf84fd284a627802a236b3692f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69cd80d874844cc9a0ba81909ef812183463adf84fd284a627802a236b3692f4", kill_on_drop: false }` [INFO] [stdout] 69cd80d874844cc9a0ba81909ef812183463adf84fd284a627802a236b3692f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2a85b48de76222b5cb9665d42f9f4f934a9aa8ddc91495815c7315d2fe41ddbc [INFO] running `Command { std: "docker" "start" "-a" "2a85b48de76222b5cb9665d42f9f4f934a9aa8ddc91495815c7315d2fe41ddbc", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:67:16 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn nil(&self) -> ConsRef { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 67 | pub fn nil(&self) -> ConsRef<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `llist` (lib) generated 1 warning (run `cargo fix --lib -p llist` to apply 1 suggestion) [INFO] [stderr] warning: `llist` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/llist-f3670db7a75a0e56) [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test tests::append_2_list ... ok [INFO] [stdout] test tests::count_elements ... ok [INFO] [stdout] test tests::bind_2_lists ... ok [INFO] [stdout] test tests::one_element_list ... ok [INFO] [stdout] test tests::one_element_list_with_macro ... ok [INFO] [stdout] test tests::dolist ... ok [INFO] [stdout] test tests::reverse_empty ... ok [INFO] [stdout] test tests::push_few_more_items ... ok [INFO] [stdout] test tests::reverse_three_elements ... ok [INFO] [stdout] test tests::turn_list_to_vec ... ok [INFO] [stderr] Doc-tests llist [INFO] [stdout] test tests::long_list ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lib.rs - dolist (line 298) ... ok [INFO] [stdout] test src/lib.rs - reverse (line 113) ... ok [INFO] [stdout] test src/lib.rs - list (line 244) ... ok [INFO] [stdout] test src/lib.rs - push (line 278) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2a85b48de76222b5cb9665d42f9f4f934a9aa8ddc91495815c7315d2fe41ddbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a85b48de76222b5cb9665d42f9f4f934a9aa8ddc91495815c7315d2fe41ddbc", kill_on_drop: false }` [INFO] [stdout] 2a85b48de76222b5cb9665d42f9f4f934a9aa8ddc91495815c7315d2fe41ddbc