[INFO] fetching crate log-tree 0.1.0... [INFO] testing log-tree-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1 [INFO] extracting crate log-tree 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate log-tree 0.1.0 [INFO] finished tweaking crates.io crate log-tree 0.1.0 [INFO] tweaked toml for crates.io crate log-tree 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate log-tree 0.1.0 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] crate crates.io crate log-tree 0.1.0 already has a lockfile, it will not be regenerated [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d145d54797bb7009253987d0ca772350206214c7c085ed34c4ec88e252d4d615 [INFO] running `Command { std: "docker" "start" "-a" "d145d54797bb7009253987d0ca772350206214c7c085ed34c4ec88e252d4d615", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d145d54797bb7009253987d0ca772350206214c7c085ed34c4ec88e252d4d615", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d145d54797bb7009253987d0ca772350206214c7c085ed34c4ec88e252d4d615", kill_on_drop: false }` [INFO] [stdout] d145d54797bb7009253987d0ca772350206214c7c085ed34c4ec88e252d4d615 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d6d8c1a93c384dc2877e2890b045fdce11f2d4d7c343053d213963b331728a9a [INFO] running `Command { std: "docker" "start" "-a" "d6d8c1a93c384dc2877e2890b045fdce11f2d4d7c343053d213963b331728a9a", kill_on_drop: false }` [INFO] [stderr] Compiling log-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | fn add_node(&self, lvl: u8) -> Option<(String, Childs)>; [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^ the same lifetime is hidden 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] 14 | fn add_node(&self, lvl: u8) -> Option<(String, Childs<'_, Self>)>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s [INFO] running `Command { std: "docker" "inspect" "d6d8c1a93c384dc2877e2890b045fdce11f2d4d7c343053d213963b331728a9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6d8c1a93c384dc2877e2890b045fdce11f2d4d7c343053d213963b331728a9a", kill_on_drop: false }` [INFO] [stdout] d6d8c1a93c384dc2877e2890b045fdce11f2d4d7c343053d213963b331728a9a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2141d6bf5d45ef57ba6f996ba05d920f9840503ad4992e2f48377f380aeef738 [INFO] running `Command { std: "docker" "start" "-a" "2141d6bf5d45ef57ba6f996ba05d920f9840503ad4992e2f48377f380aeef738", kill_on_drop: false }` [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | fn add_node(&self, lvl: u8) -> Option<(String, Childs)>; [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^ the same lifetime is hidden 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] 14 | fn add_node(&self, lvl: u8) -> Option<(String, Childs<'_, Self>)>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling log-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> examples/basic.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | fn add_node(&self, _: u8) -> Option<(String, log_tree::Childs)> { [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] 14 | fn add_node(&self, _: u8) -> Option<(String, log_tree::Childs<'_, Self>)> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> examples/pwd.rs:10:17 [INFO] [stdout] | [INFO] [stdout] 10 | fn add_node(&self, lvl: u8) -> Option<(String, log_tree::Childs)> { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 10 | fn add_node(&self, lvl: u8) -> Option<(String, log_tree::Childs<'_, Self>)> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | fn add_node(&self, lvl: u8) -> Option<(String, Childs)>; [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^ the same lifetime is hidden 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] 14 | fn add_node(&self, lvl: u8) -> Option<(String, Childs<'_, Self>)>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s [INFO] running `Command { std: "docker" "inspect" "2141d6bf5d45ef57ba6f996ba05d920f9840503ad4992e2f48377f380aeef738", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2141d6bf5d45ef57ba6f996ba05d920f9840503ad4992e2f48377f380aeef738", kill_on_drop: false }` [INFO] [stdout] 2141d6bf5d45ef57ba6f996ba05d920f9840503ad4992e2f48377f380aeef738 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9c6ef1da782ebacf9a057830f2cb42a2696452ce5607dd6f7cdf56fc9593b57e [INFO] running `Command { std: "docker" "start" "-a" "9c6ef1da782ebacf9a057830f2cb42a2696452ce5607dd6f7cdf56fc9593b57e", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] [INFO] [stderr] --> src/lib.rs:14:17 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 14 | fn add_node(&self, lvl: u8) -> Option<(String, Childs)>; [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] [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] 14 | fn add_node(&self, lvl: u8) -> Option<(String, Childs<'_, Self>)>; [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `log-tree` (lib) generated 1 warning (run `cargo fix --lib -p log-tree` to apply 1 suggestion) [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> examples/basic.rs:14:17 [INFO] [stderr] | [INFO] [stderr] 14 | fn add_node(&self, _: u8) -> Option<(String, log_tree::Childs)> { [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] 14 | fn add_node(&self, _: u8) -> Option<(String, log_tree::Childs<'_, Self>)> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `log-tree` (example "basic") generated 1 warning (run `cargo fix --example "basic" -p log-tree` to apply 1 suggestion) [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> examples/pwd.rs:10:17 [INFO] [stderr] | [INFO] [stderr] 10 | fn add_node(&self, lvl: u8) -> Option<(String, log_tree::Childs)> { [INFO] [stderr] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 10 | fn add_node(&self, lvl: u8) -> Option<(String, log_tree::Childs<'_, Self>)> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `log-tree` (example "pwd") generated 1 warning (run `cargo fix --example "pwd" -p log-tree` to apply 1 suggestion) [INFO] [stderr] warning: `log-tree` (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/log_tree-64213916972d0c30) [INFO] [stderr] Doc-tests log_tree [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 8) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9c6ef1da782ebacf9a057830f2cb42a2696452ce5607dd6f7cdf56fc9593b57e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c6ef1da782ebacf9a057830f2cb42a2696452ce5607dd6f7cdf56fc9593b57e", kill_on_drop: false }` [INFO] [stdout] 9c6ef1da782ebacf9a057830f2cb42a2696452ce5607dd6f7cdf56fc9593b57e