[INFO] fetching crate llist 0.7.3... [INFO] testing llist-0.7.3 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1 [INFO] extracting crate llist 0.7.3 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate llist 0.7.3 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0ef37937ae080ca01134dd16f13cb18a2e452783d86053bf3c966d9ceab602cf [INFO] running `Command { std: "docker" "start" "-a" "0ef37937ae080ca01134dd16f13cb18a2e452783d86053bf3c966d9ceab602cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0ef37937ae080ca01134dd16f13cb18a2e452783d86053bf3c966d9ceab602cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ef37937ae080ca01134dd16f13cb18a2e452783d86053bf3c966d9ceab602cf", kill_on_drop: false }` [INFO] [stdout] 0ef37937ae080ca01134dd16f13cb18a2e452783d86053bf3c966d9ceab602cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3cc6809a4a0132649fbbc7222beb07b096f353841bc931c7fce688bc4242261c [INFO] running `Command { std: "docker" "start" "-a" "3cc6809a4a0132649fbbc7222beb07b096f353841bc931c7fce688bc4242261c", kill_on_drop: false }` [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 0.19s [INFO] running `Command { std: "docker" "inspect" "3cc6809a4a0132649fbbc7222beb07b096f353841bc931c7fce688bc4242261c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cc6809a4a0132649fbbc7222beb07b096f353841bc931c7fce688bc4242261c", kill_on_drop: false }` [INFO] [stdout] 3cc6809a4a0132649fbbc7222beb07b096f353841bc931c7fce688bc4242261c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b46cc44d8586d174476e9c2093c9a6be5b0595670782191953fc8412a2b3daeb [INFO] running `Command { std: "docker" "start" "-a" "b46cc44d8586d174476e9c2093c9a6be5b0595670782191953fc8412a2b3daeb", 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 0.42s [INFO] running `Command { std: "docker" "inspect" "b46cc44d8586d174476e9c2093c9a6be5b0595670782191953fc8412a2b3daeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b46cc44d8586d174476e9c2093c9a6be5b0595670782191953fc8412a2b3daeb", kill_on_drop: false }` [INFO] [stdout] b46cc44d8586d174476e9c2093c9a6be5b0595670782191953fc8412a2b3daeb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 153461a41a8cd2a0f76e64d53e7c44f5aa7172e660893956985ba04ae23db8f7 [INFO] running `Command { std: "docker" "start" "-a" "153461a41a8cd2a0f76e64d53e7c44f5aa7172e660893956985ba04ae23db8f7", 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 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/llist-e83a62c4f468848b) [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test tests::count_elements ... ok [INFO] [stdout] test tests::bind_2_lists ... ok [INFO] [stdout] test tests::append_2_list ... ok [INFO] [stdout] test tests::dolist ... ok [INFO] [stdout] test tests::one_element_list ... ok [INFO] [stdout] test tests::push_few_more_items ... ok [INFO] [stdout] test tests::reverse_empty ... ok [INFO] [stdout] test tests::one_element_list_with_macro ... ok [INFO] [stdout] test tests::reverse_three_elements ... ok [INFO] [stdout] test tests::turn_list_to_vec ... ok [INFO] [stdout] test tests::long_list ... ok [INFO] [stderr] Doc-tests llist [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lib.rs - list (line 244) ... ok [INFO] [stdout] test src/lib.rs - reverse (line 113) ... ok [INFO] [stdout] test src/lib.rs - push (line 278) ... ok [INFO] [stdout] test src/lib.rs - dolist (line 298) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "153461a41a8cd2a0f76e64d53e7c44f5aa7172e660893956985ba04ae23db8f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "153461a41a8cd2a0f76e64d53e7c44f5aa7172e660893956985ba04ae23db8f7", kill_on_drop: false }` [INFO] [stdout] 153461a41a8cd2a0f76e64d53e7c44f5aa7172e660893956985ba04ae23db8f7