[INFO] fetching crate rt-lists 0.1.2...
[INFO] testing rt-lists-0.1.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate rt-lists 0.1.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rt-lists 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rt-lists 0.1.2
[INFO] tweaked toml for crates.io crate rt-lists 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rt-lists 0.1.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c32d1ae31f82a86fe4a8763b2f49a741e91546c695d16a657ec79085467c2448
[INFO] running `Command { std: "docker" "start" "-a" "c32d1ae31f82a86fe4a8763b2f49a741e91546c695d16a657ec79085467c2448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c32d1ae31f82a86fe4a8763b2f49a741e91546c695d16a657ec79085467c2448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c32d1ae31f82a86fe4a8763b2f49a741e91546c695d16a657ec79085467c2448", kill_on_drop: false }`
[INFO] [stdout] c32d1ae31f82a86fe4a8763b2f49a741e91546c695d16a657ec79085467c2448
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fecf48fbb7c039ea3818b7a18a6742d77ac1220d715e9cc1b013ece54e420dc
[INFO] running `Command { std: "docker" "start" "-a" "1fecf48fbb7c039ea3818b7a18a6742d77ac1220d715e9cc1b013ece54e420dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rt-lists v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/third.rs:60:15
[INFO] [stdout]    |
[INFO] [stdout] 60 |   pub fn iter(&self) -> Iter<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] 60 |   pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/third.rs:64:19
[INFO] [stdout]    |
[INFO] [stdout] 64 |   pub fn iter_mut(&mut self) -> IterMut<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 64 |   pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "1fecf48fbb7c039ea3818b7a18a6742d77ac1220d715e9cc1b013ece54e420dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fecf48fbb7c039ea3818b7a18a6742d77ac1220d715e9cc1b013ece54e420dc", kill_on_drop: false }`
[INFO] [stdout] 1fecf48fbb7c039ea3818b7a18a6742d77ac1220d715e9cc1b013ece54e420dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65ee646d26f761d0ab68e7a325cb3dbef72e18b5e8ea045859e6ba6b1c9cb53d
[INFO] running `Command { std: "docker" "start" "-a" "65ee646d26f761d0ab68e7a325cb3dbef72e18b5e8ea045859e6ba6b1c9cb53d", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/third.rs:60:15
[INFO] [stdout]    |
[INFO] [stdout] 60 |   pub fn iter(&self) -> Iter<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] 60 |   pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/third.rs:64:19
[INFO] [stdout]    |
[INFO] [stdout] 64 |   pub fn iter_mut(&mut self) -> IterMut<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 64 |   pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rt-lists v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/third.rs:60:15
[INFO] [stdout]    |
[INFO] [stdout] 60 |   pub fn iter(&self) -> Iter<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] 60 |   pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/third.rs:64:19
[INFO] [stdout]    |
[INFO] [stdout] 64 |   pub fn iter_mut(&mut self) -> IterMut<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 64 |   pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "65ee646d26f761d0ab68e7a325cb3dbef72e18b5e8ea045859e6ba6b1c9cb53d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65ee646d26f761d0ab68e7a325cb3dbef72e18b5e8ea045859e6ba6b1c9cb53d", kill_on_drop: false }`
[INFO] [stdout] 65ee646d26f761d0ab68e7a325cb3dbef72e18b5e8ea045859e6ba6b1c9cb53d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 92c8ab1cbfe0428924fe7fd1f63ce3480b50ad2ffdde0ab1513fe9fdca35e414
[INFO] running `Command { std: "docker" "start" "-a" "92c8ab1cbfe0428924fe7fd1f63ce3480b50ad2ffdde0ab1513fe9fdca35e414", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/third.rs:60:15
[INFO] [stderr]    |
[INFO] [stderr] 60 |   pub fn iter(&self) -> Iter<T> {
[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] 60 |   pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stderr]    |                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/third.rs:64:19
[INFO] [stderr]    |
[INFO] [stderr] 64 |   pub fn iter_mut(&mut self) -> IterMut<T> {
[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] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 64 |   pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stderr]    |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: `rt-lists` (lib) generated 2 warnings (run `cargo fix --lib -p rt-lists` to apply 2 suggestions)
[INFO] [stderr] warning: `rt-lists` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rt_lists-78c87e98dc3ccd94)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test first::test::basc_push_pop ... ok
[INFO] [stdout] test first::test::basics ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/second_test.rs (/opt/rustwide/target/debug/deps/second_test-5a399fb84d843fca)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test second_test::basics ... ok
[INFO] [stdout] test second_test::basc_push_pop ... ok
[INFO] [stderr]      Running tests/third_test.rs (/opt/rustwide/target/debug/deps/third_test-c5d4ab8cb1c05c13)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test third_test::basics ... ok
[INFO] [stdout] test third_test::into_iter ... ok
[INFO] [stdout] test third_test::basic_push_pop_peek ... ok
[INFO] [stdout] test third_test::peek ... ok
[INFO] [stdout] test third_test::peek_mut ... ok
[INFO] [stdout] test third_test::iter ... ok
[INFO] [stdout] test third_test::iter_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rt_lists
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - first (line 23) ... ok
[INFO] [stdout] test src/lib.rs - first (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "92c8ab1cbfe0428924fe7fd1f63ce3480b50ad2ffdde0ab1513fe9fdca35e414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92c8ab1cbfe0428924fe7fd1f63ce3480b50ad2ffdde0ab1513fe9fdca35e414", kill_on_drop: false }`
[INFO] [stdout] 92c8ab1cbfe0428924fe7fd1f63ce3480b50ad2ffdde0ab1513fe9fdca35e414