[INFO] fetching crate sync42 0.15.0...
[INFO] building sync42-0.15.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate sync42 0.15.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate sync42 0.15.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sync42 0.15.0
[INFO] tweaked toml for crates.io crate sync42 0.15.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sync42 0.15.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sync42 0.15.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_util v0.5.0
[INFO] [stderr]   Downloaded biometrics v0.12.0
[INFO] [stderr]   Downloaded guacamole v0.14.0
[INFO] [stderr]   Downloaded arrrg v0.8.0
[INFO] [stderr]   Downloaded arrrg_derive v0.8.0
[INFO] [stderr]   Downloaded sig_fig_histogram v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5133dab9444a86f92409413de004d1953d859d41e3646103b41e1bdd8dd40fb0
[INFO] running `Command { std: "docker" "start" "-a" "5133dab9444a86f92409413de004d1953d859d41e3646103b41e1bdd8dd40fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5133dab9444a86f92409413de004d1953d859d41e3646103b41e1bdd8dd40fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5133dab9444a86f92409413de004d1953d859d41e3646103b41e1bdd8dd40fb0", kill_on_drop: false }`
[INFO] [stdout] 5133dab9444a86f92409413de004d1953d859d41e3646103b41e1bdd8dd40fb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c5a13346da93ac353f9579f827ca568e9d6e2683c3a90938d8707e0595394f4
[INFO] running `Command { std: "docker" "start" "-a" "6c5a13346da93ac353f9579f827ca568e9d6e2683c3a90938d8707e0595394f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling sig_fig_histogram v0.6.0
[INFO] [stderr]    Compiling biometrics v0.12.0
[INFO] [stderr]    Compiling sync42 v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/wait_list.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn link(&self, t: T) -> WaitGuard<T> {
[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] 150 |     pub fn link(&self, t: T) -> WaitGuard<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "6c5a13346da93ac353f9579f827ca568e9d6e2683c3a90938d8707e0595394f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c5a13346da93ac353f9579f827ca568e9d6e2683c3a90938d8707e0595394f4", kill_on_drop: false }`
[INFO] [stdout] 6c5a13346da93ac353f9579f827ca568e9d6e2683c3a90938d8707e0595394f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 440232b1e18004e0545d26fc53913e722d0038aa859ab996fbfcd323ea20f226
[INFO] running `Command { std: "docker" "start" "-a" "440232b1e18004e0545d26fc53913e722d0038aa859ab996fbfcd323ea20f226", kill_on_drop: false }`
[INFO] [stderr]    Compiling getopts v0.2.23
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/wait_list.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn link(&self, t: T) -> WaitGuard<T> {
[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] 150 |     pub fn link(&self, t: T) -> WaitGuard<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling derive_util v0.5.0
[INFO] [stderr]    Compiling arrrg_derive v0.8.0
[INFO] [stderr]    Compiling arrrg v0.8.0
[INFO] [stderr]    Compiling guacamole v0.14.0
[INFO] [stderr]    Compiling sync42 v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/wait_list.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn link(&self, t: T) -> WaitGuard<T> {
[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] 150 |     pub fn link(&self, t: T) -> WaitGuard<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.31s
[INFO] running `Command { std: "docker" "inspect" "440232b1e18004e0545d26fc53913e722d0038aa859ab996fbfcd323ea20f226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "440232b1e18004e0545d26fc53913e722d0038aa859ab996fbfcd323ea20f226", kill_on_drop: false }`
[INFO] [stdout] 440232b1e18004e0545d26fc53913e722d0038aa859ab996fbfcd323ea20f226
