[INFO] fetching crate log-tree 0.1.0... [INFO] testing log-tree-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate log-tree 0.1.0 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate log-tree 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9f311791a7ad3820849af789b1acaa928833279315c1ea3ef19bf101f1d20bcc [INFO] running `Command { std: "docker" "start" "-a" "9f311791a7ad3820849af789b1acaa928833279315c1ea3ef19bf101f1d20bcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f311791a7ad3820849af789b1acaa928833279315c1ea3ef19bf101f1d20bcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f311791a7ad3820849af789b1acaa928833279315c1ea3ef19bf101f1d20bcc", kill_on_drop: false }` [INFO] [stdout] 9f311791a7ad3820849af789b1acaa928833279315c1ea3ef19bf101f1d20bcc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 01b057c95532f6a7980f87686d2479cef58476ec78994afa8bd2fdeb510db568 [INFO] running `Command { std: "docker" "start" "-a" "01b057c95532f6a7980f87686d2479cef58476ec78994afa8bd2fdeb510db568", 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 0.11s [INFO] running `Command { std: "docker" "inspect" "01b057c95532f6a7980f87686d2479cef58476ec78994afa8bd2fdeb510db568", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01b057c95532f6a7980f87686d2479cef58476ec78994afa8bd2fdeb510db568", kill_on_drop: false }` [INFO] [stdout] 01b057c95532f6a7980f87686d2479cef58476ec78994afa8bd2fdeb510db568 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d9c6deed281ba57436bc5444406c56dc67a810f631197a2189251f68129c92a7 [INFO] running `Command { std: "docker" "start" "-a" "d9c6deed281ba57436bc5444406c56dc67a810f631197a2189251f68129c92a7", 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] --> 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] [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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `Command { std: "docker" "inspect" "d9c6deed281ba57436bc5444406c56dc67a810f631197a2189251f68129c92a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9c6deed281ba57436bc5444406c56dc67a810f631197a2189251f68129c92a7", kill_on_drop: false }` [INFO] [stdout] d9c6deed281ba57436bc5444406c56dc67a810f631197a2189251f68129c92a7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 48fc45aa7e96c20a1d7f273fe83d71c336a748084ecdfb33ac9289bec3f451bf [INFO] running `Command { std: "docker" "start" "-a" "48fc45aa7e96c20a1d7f273fe83d71c336a748084ecdfb33ac9289bec3f451bf", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:14:17 [INFO] [stderr] | [INFO] [stderr] 14 | fn add_node(&self, lvl: u8) -> Option<(String, 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] 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"` 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"` 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] [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 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 0.24s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "48fc45aa7e96c20a1d7f273fe83d71c336a748084ecdfb33ac9289bec3f451bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48fc45aa7e96c20a1d7f273fe83d71c336a748084ecdfb33ac9289bec3f451bf", kill_on_drop: false }` [INFO] [stdout] 48fc45aa7e96c20a1d7f273fe83d71c336a748084ecdfb33ac9289bec3f451bf