[INFO] fetching crate pb-atomic-linked-list 0.1.6...
[INFO] testing pb-atomic-linked-list-0.1.6 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate pb-atomic-linked-list 0.1.6 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate pb-atomic-linked-list 0.1.6
[INFO] finished tweaking crates.io crate pb-atomic-linked-list 0.1.6
[INFO] tweaked toml for crates.io crate pb-atomic-linked-list 0.1.6 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pb-atomic-linked-list 0.1.6 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5e76899e81cfd9b8186f582a41248fc02a7d454115606f507fd63e85e8a693a
[INFO] running `Command { std: "docker" "start" "-a" "d5e76899e81cfd9b8186f582a41248fc02a7d454115606f507fd63e85e8a693a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5e76899e81cfd9b8186f582a41248fc02a7d454115606f507fd63e85e8a693a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5e76899e81cfd9b8186f582a41248fc02a7d454115606f507fd63e85e8a693a", kill_on_drop: false }`
[INFO] [stdout] d5e76899e81cfd9b8186f582a41248fc02a7d454115606f507fd63e85e8a693a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2460dde616003ac02dda7b46efa6153a4d2f3a3197e5484a796a5458a975ed31
[INFO] running `Command { std: "docker" "start" "-a" "2460dde616003ac02dda7b46efa6153a4d2f3a3197e5484a796a5458a975ed31", kill_on_drop: false }`
[INFO] [stderr]    Compiling pb-atomic-linked-list v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:61:53
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn borrow<'a>(&'a self, index: usize) -> Option<&T> where T: 'a {
[INFO] [stdout]    |                    -- the lifetime is named here    ^^ the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn borrow<'a>(&'a self, index: usize) -> Option<&'a T> where T: 'a {
[INFO] [stdout]    |                                                      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:133:53
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn borrow<'a>(&'a self, index: usize) -> Option<&T> where T: 'a {
[INFO] [stdout]     |                    -- the lifetime is named here    ^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn borrow<'a>(&'a self, index: usize) -> Option<&'a T> where T: 'a {
[INFO] [stdout]     |                                                      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:13:57
[INFO] [stdout]    |
[INFO] [stdout] 13 |         fn borrow<'a>(&'a self, index: usize) -> Option<&T> where T: 'a;
[INFO] [stdout]    |                        -- the lifetime is named here    ^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 13 |         fn borrow<'a>(&'a self, index: usize) -> Option<&'a T> where T: 'a;
[INFO] [stdout]    |                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "2460dde616003ac02dda7b46efa6153a4d2f3a3197e5484a796a5458a975ed31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2460dde616003ac02dda7b46efa6153a4d2f3a3197e5484a796a5458a975ed31", kill_on_drop: false }`
[INFO] [stdout] 2460dde616003ac02dda7b46efa6153a4d2f3a3197e5484a796a5458a975ed31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9844556558d4b145fcc435fdbcb7a635eec738db71daf979909fed9cc9f7267
[INFO] running `Command { std: "docker" "start" "-a" "e9844556558d4b145fcc435fdbcb7a635eec738db71daf979909fed9cc9f7267", kill_on_drop: false }`
[INFO] [stderr]    Compiling pb-atomic-linked-list v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:61:53
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn borrow<'a>(&'a self, index: usize) -> Option<&T> where T: 'a {
[INFO] [stdout]    |                    -- the lifetime is named here    ^^ the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn borrow<'a>(&'a self, index: usize) -> Option<&'a T> where T: 'a {
[INFO] [stdout]    |                                                      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:133:53
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn borrow<'a>(&'a self, index: usize) -> Option<&T> where T: 'a {
[INFO] [stdout]     |                    -- the lifetime is named here    ^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn borrow<'a>(&'a self, index: usize) -> Option<&'a T> where T: 'a {
[INFO] [stdout]     |                                                      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:13:57
[INFO] [stdout]    |
[INFO] [stdout] 13 |         fn borrow<'a>(&'a self, index: usize) -> Option<&T> where T: 'a;
[INFO] [stdout]    |                        -- the lifetime is named here    ^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 13 |         fn borrow<'a>(&'a self, index: usize) -> Option<&'a T> where T: 'a;
[INFO] [stdout]    |                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:61:53
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn borrow<'a>(&'a self, index: usize) -> Option<&T> where T: 'a {
[INFO] [stdout]    |                    -- the lifetime is named here    ^^ the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn borrow<'a>(&'a self, index: usize) -> Option<&'a T> where T: 'a {
[INFO] [stdout]    |                                                      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:133:53
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn borrow<'a>(&'a self, index: usize) -> Option<&T> where T: 'a {
[INFO] [stdout]     |                    -- the lifetime is named here    ^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn borrow<'a>(&'a self, index: usize) -> Option<&'a T> where T: 'a {
[INFO] [stdout]     |                                                      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:13:57
[INFO] [stdout]    |
[INFO] [stdout] 13 |         fn borrow<'a>(&'a self, index: usize) -> Option<&T> where T: 'a;
[INFO] [stdout]    |                        -- the lifetime is named here    ^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 13 |         fn borrow<'a>(&'a self, index: usize) -> Option<&'a T> where T: 'a;
[INFO] [stdout]    |                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "e9844556558d4b145fcc435fdbcb7a635eec738db71daf979909fed9cc9f7267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9844556558d4b145fcc435fdbcb7a635eec738db71daf979909fed9cc9f7267", kill_on_drop: false }`
[INFO] [stdout] e9844556558d4b145fcc435fdbcb7a635eec738db71daf979909fed9cc9f7267
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c6155a2f84acc49b8029cef72f3918ec674ec7e0f898e0523e2dafbb06f6b7b
[INFO] running `Command { std: "docker" "start" "-a" "2c6155a2f84acc49b8029cef72f3918ec674ec7e0f898e0523e2dafbb06f6b7b", kill_on_drop: false }`
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:61:53
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn borrow<'a>(&'a self, index: usize) -> Option<&T> where T: 'a {
[INFO] [stderr]    |                    -- the lifetime is named here    ^^ the same 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: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn borrow<'a>(&'a self, index: usize) -> Option<&'a T> where T: 'a {
[INFO] [stderr]    |                                                      ++
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:133:53
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn borrow<'a>(&'a self, index: usize) -> Option<&T> where T: 'a {
[INFO] [stderr]     |                    -- the lifetime is named here    ^^ the same lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn borrow<'a>(&'a self, index: usize) -> Option<&'a T> where T: 'a {
[INFO] [stderr]     |                                                      ++
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:13:57
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 13 |         fn borrow<'a>(&'a self, index: usize) -> Option<&T> where T: 'a;
[INFO] [stdout] running 2 tests
[INFO] [stderr]    |                        -- the lifetime is named here    ^^ the same lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stdout] test test::simple_enqueue_dequeue ... ok
[INFO] [stderr] 13 |         fn borrow<'a>(&'a self, index: usize) -> Option<&'a T> where T: 'a;
[INFO] [stderr]    |                                                          ++
[INFO] [stderr] 
[INFO] [stderr] warning: `pb-atomic-linked-list` (lib) generated 3 warnings (run `cargo fix --lib -p pb-atomic-linked-list` to apply 3 suggestions)
[INFO] [stderr] warning: `pb-atomic-linked-list` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pb_atomic_linked_list-859f790476af0fc6)
[INFO] [stdout] test test::insert_from_two_threads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pb_atomic_linked_list
[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" "2c6155a2f84acc49b8029cef72f3918ec674ec7e0f898e0523e2dafbb06f6b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c6155a2f84acc49b8029cef72f3918ec674ec7e0f898e0523e2dafbb06f6b7b", kill_on_drop: false }`
[INFO] [stdout] 2c6155a2f84acc49b8029cef72f3918ec674ec7e0f898e0523e2dafbb06f6b7b