[INFO] fetching crate substack 1.1.1... [INFO] testing substack-1.1.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] extracting crate substack 1.1.1 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate substack 1.1.1 [INFO] finished tweaking crates.io crate substack 1.1.1 [INFO] tweaked toml for crates.io crate substack 1.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate substack 1.1.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7e7bcfd4da720938be22295dd17e361c04f3e55122108257bc1859a4161a4b5c [INFO] running `Command { std: "docker" "start" "-a" "7e7bcfd4da720938be22295dd17e361c04f3e55122108257bc1859a4161a4b5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7e7bcfd4da720938be22295dd17e361c04f3e55122108257bc1859a4161a4b5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e7bcfd4da720938be22295dd17e361c04f3e55122108257bc1859a4161a4b5c", kill_on_drop: false }` [INFO] [stdout] 7e7bcfd4da720938be22295dd17e361c04f3e55122108257bc1859a4161a4b5c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cb0bfb7b4fdaeb1395b4741ceddaedb1a33916e7a7f2f4be9daa9515806cf00e [INFO] running `Command { std: "docker" "start" "-a" "cb0bfb7b4fdaeb1395b4741ceddaedb1a33916e7a7f2f4be9daa9515806cf00e", kill_on_drop: false }` [INFO] [stderr] Compiling substack v1.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:61:15 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn iter(&self) -> SubstackIterator { SubstackIterator { curr: self } } [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] 61 | pub fn iter(&self) -> SubstackIterator<'_, T> { SubstackIterator { curr: self } } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "cb0bfb7b4fdaeb1395b4741ceddaedb1a33916e7a7f2f4be9daa9515806cf00e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb0bfb7b4fdaeb1395b4741ceddaedb1a33916e7a7f2f4be9daa9515806cf00e", kill_on_drop: false }` [INFO] [stdout] cb0bfb7b4fdaeb1395b4741ceddaedb1a33916e7a7f2f4be9daa9515806cf00e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 77b0eedded6e8d2a795c64c928d1760526b3d8ea315b8193f2daf448fbd9c309 [INFO] running `Command { std: "docker" "start" "-a" "77b0eedded6e8d2a795c64c928d1760526b3d8ea315b8193f2daf448fbd9c309", kill_on_drop: false }` [INFO] [stderr] Compiling substack v1.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:61:15 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn iter(&self) -> SubstackIterator { SubstackIterator { curr: self } } [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] 61 | pub fn iter(&self) -> SubstackIterator<'_, T> { SubstackIterator { curr: self } } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:61:15 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn iter(&self) -> SubstackIterator { SubstackIterator { curr: self } } [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] 61 | pub fn iter(&self) -> SubstackIterator<'_, T> { SubstackIterator { curr: self } } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `Command { std: "docker" "inspect" "77b0eedded6e8d2a795c64c928d1760526b3d8ea315b8193f2daf448fbd9c309", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77b0eedded6e8d2a795c64c928d1760526b3d8ea315b8193f2daf448fbd9c309", kill_on_drop: false }` [INFO] [stdout] 77b0eedded6e8d2a795c64c928d1760526b3d8ea315b8193f2daf448fbd9c309 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e2d9126cc721009db435e60aeb6c79586c12adf799cb519aeb5232f19559ce5a [INFO] running `Command { std: "docker" "start" "-a" "e2d9126cc721009db435e60aeb6c79586c12adf799cb519aeb5232f19559ce5a", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:61:15 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn iter(&self) -> SubstackIterator { SubstackIterator { curr: self } } [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] 61 | pub fn iter(&self) -> SubstackIterator<'_, T> { SubstackIterator { curr: self } } [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `substack` (lib) generated 1 warning (run `cargo fix --lib -p substack` to apply 1 suggestion) [INFO] [stderr] warning: `substack` (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/substack-1a0ee15191e08a52) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test test::general ... ok [INFO] [stdout] test test::empty ... ok [INFO] [stdout] test test::with_iter ... ok [INFO] [stdout] test test::out_of_bounds - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Doc-tests substack [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 3) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e2d9126cc721009db435e60aeb6c79586c12adf799cb519aeb5232f19559ce5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2d9126cc721009db435e60aeb6c79586c12adf799cb519aeb5232f19559ce5a", kill_on_drop: false }` [INFO] [stdout] e2d9126cc721009db435e60aeb6c79586c12adf799cb519aeb5232f19559ce5a