[INFO] cloning repository https://github.com/toidiu/talk_rust_2093 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/toidiu/talk_rust_2093" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoidiu%2Ftalk_rust_2093", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoidiu%2Ftalk_rust_2093'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a7ad5b55a8620d45588a427aca31290ce8cef0fd [INFO] testing toidiu/talk_rust_2093 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoidiu%2Ftalk_rust_2093" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/toidiu/talk_rust_2093 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/toidiu/talk_rust_2093 [INFO] finished tweaking git repo https://github.com/toidiu/talk_rust_2093 [INFO] tweaked toml for git repo https://github.com/toidiu/talk_rust_2093 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/toidiu/talk_rust_2093 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f91e2059c16babc208efd6dd9c055713c0877e25f66b15ede0e7783b8de14aa2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f91e2059c16babc208efd6dd9c055713c0877e25f66b15ede0e7783b8de14aa2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f91e2059c16babc208efd6dd9c055713c0877e25f66b15ede0e7783b8de14aa2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f91e2059c16babc208efd6dd9c055713c0877e25f66b15ede0e7783b8de14aa2", kill_on_drop: false }` [INFO] [stdout] f91e2059c16babc208efd6dd9c055713c0877e25f66b15ede0e7783b8de14aa2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 829e7f80a60f6d5eacbd566e71d734e93df5ea9b33ce73ff23d01ced13e6ff6d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "829e7f80a60f6d5eacbd566e71d734e93df5ea9b33ce73ff23d01ced13e6ff6d", kill_on_drop: false }` [INFO] [stderr] Compiling explicit v0.1.0 (/opt/rustwide/workdir/lib/explicit) [INFO] [stderr] Compiling infer v0.1.0 (/opt/rustwide/workdir/lib/infer) [INFO] [stdout] warning: struct is never constructed: `Foo` [INFO] [stdout] --> lib/explicit/src/lib.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct Foo<'a, T> [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Foo` [INFO] [stdout] --> lib/infer/src/lib.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Foo<'a, T> { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `infer_outlives_requirements` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> lib/infer/src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(infer_outlives_requirements)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling present v0.1.0 (/opt/rustwide/workdir/bin/present) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.09s [INFO] running `Command { std: "docker" "inspect" "829e7f80a60f6d5eacbd566e71d734e93df5ea9b33ce73ff23d01ced13e6ff6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "829e7f80a60f6d5eacbd566e71d734e93df5ea9b33ce73ff23d01ced13e6ff6d", kill_on_drop: false }` [INFO] [stdout] 829e7f80a60f6d5eacbd566e71d734e93df5ea9b33ce73ff23d01ced13e6ff6d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e91a95bd4f6daac4488648725ddd8ba3eaaac7e98ace23b0931bcd908ec780e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2e91a95bd4f6daac4488648725ddd8ba3eaaac7e98ace23b0931bcd908ec780e", kill_on_drop: false }` [INFO] [stdout] warning: struct is never constructed: `Foo` [INFO] [stdout] --> lib/infer/src/lib.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Foo<'a, T> { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling infer v0.1.0 (/opt/rustwide/workdir/lib/infer) [INFO] [stdout] warning: the feature `infer_outlives_requirements` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> lib/infer/src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(infer_outlives_requirements)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling explicit v0.1.0 (/opt/rustwide/workdir/lib/explicit) [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling present v0.1.0 (/opt/rustwide/workdir/bin/present) [INFO] [stdout] warning: struct is never constructed: `Foo` [INFO] [stdout] --> lib/explicit/src/lib.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct Foo<'a, T> [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Foo` [INFO] [stdout] --> lib/infer/src/lib.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Foo<'a, T> { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `infer_outlives_requirements` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> lib/infer/src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(infer_outlives_requirements)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Foo` [INFO] [stdout] --> lib/explicit/src/lib.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct Foo<'a, T> [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.98s [INFO] running `Command { std: "docker" "inspect" "2e91a95bd4f6daac4488648725ddd8ba3eaaac7e98ace23b0931bcd908ec780e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e91a95bd4f6daac4488648725ddd8ba3eaaac7e98ace23b0931bcd908ec780e", kill_on_drop: false }` [INFO] [stdout] 2e91a95bd4f6daac4488648725ddd8ba3eaaac7e98ace23b0931bcd908ec780e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fb06076be633603c55d05bd017ac50cb885e92268849150b6c8f2de1374cc5dd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fb06076be633603c55d05bd017ac50cb885e92268849150b6c8f2de1374cc5dd", kill_on_drop: false }` [INFO] [stderr] warning: struct is never constructed: `Foo` [INFO] [stderr] --> lib/explicit/src/lib.rs:2:8 [INFO] [stderr] | [INFO] [stderr] 2 | struct Foo<'a, T> [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Foo` [INFO] [stderr] --> lib/infer/src/lib.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | struct Foo<'a, T> { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `infer_outlives_requirements` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stderr] --> lib/infer/src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(infer_outlives_requirements)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Foo` [INFO] [stderr] --> lib/infer/src/lib.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | struct Foo<'a, T> { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `infer_outlives_requirements` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stderr] --> lib/infer/src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(infer_outlives_requirements)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Foo` [INFO] [stderr] --> lib/explicit/src/lib.rs:2:8 [INFO] [stderr] | [INFO] [stderr] 2 | struct Foo<'a, T> [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/explicit-ec0b22bfa5ab3b75) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/infer-4925472ff9498f4e) [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/present-14b7b9363576aa36) [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests explicit [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] [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] [stderr] Doc-tests infer [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" "fb06076be633603c55d05bd017ac50cb885e92268849150b6c8f2de1374cc5dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb06076be633603c55d05bd017ac50cb885e92268849150b6c8f2de1374cc5dd", kill_on_drop: false }` [INFO] [stdout] fb06076be633603c55d05bd017ac50cb885e92268849150b6c8f2de1374cc5dd