[INFO] fetching crate ticktock 0.8.0...
[INFO] testing ticktock-0.8.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate ticktock 0.8.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate ticktock 0.8.0
[INFO] finished tweaking crates.io crate ticktock 0.8.0
[INFO] tweaked toml for crates.io crate ticktock 0.8.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ticktock 0.8.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ticktock 0.8.0 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c31a2a5f92e4329adcd86fb0a1f6c2837213e71c4beca070897e662d0e3554e7
[INFO] running `Command { std: "docker" "start" "-a" "c31a2a5f92e4329adcd86fb0a1f6c2837213e71c4beca070897e662d0e3554e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c31a2a5f92e4329adcd86fb0a1f6c2837213e71c4beca070897e662d0e3554e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c31a2a5f92e4329adcd86fb0a1f6c2837213e71c4beca070897e662d0e3554e7", kill_on_drop: false }`
[INFO] [stdout] c31a2a5f92e4329adcd86fb0a1f6c2837213e71c4beca070897e662d0e3554e7
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5d4214e5b1d3c56c14dc7df55bc66554d5fe3abe80803787570e314d2f30d3e
[INFO] running `Command { std: "docker" "start" "-a" "b5d4214e5b1d3c56c14dc7df55bc66554d5fe3abe80803787570e314d2f30d3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ticktock v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/clock.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn iter(&self) -> ClockIter {
[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] 126 |     pub fn iter(&self) -> ClockIter<'_> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/clock.rs:136:21
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn rel_iter(&self) -> ClockIterRelative {
[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] 136 |     pub fn rel_iter(&self) -> ClockIterRelative<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "b5d4214e5b1d3c56c14dc7df55bc66554d5fe3abe80803787570e314d2f30d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d4214e5b1d3c56c14dc7df55bc66554d5fe3abe80803787570e314d2f30d3e", kill_on_drop: false }`
[INFO] [stdout] b5d4214e5b1d3c56c14dc7df55bc66554d5fe3abe80803787570e314d2f30d3e
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12c823e4f4f7114b09b796633edd177d6c421ec077b45626cb1581342cd00ad6
[INFO] running `Command { std: "docker" "start" "-a" "12c823e4f4f7114b09b796633edd177d6c421ec077b45626cb1581342cd00ad6", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/clock.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn iter(&self) -> ClockIter {
[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] 126 |     pub fn iter(&self) -> ClockIter<'_> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/clock.rs:136:21
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn rel_iter(&self) -> ClockIterRelative {
[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] 136 |     pub fn rel_iter(&self) -> ClockIterRelative<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ticktock v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/clock.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn iter(&self) -> ClockIter {
[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] 126 |     pub fn iter(&self) -> ClockIter<'_> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/clock.rs:136:21
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn rel_iter(&self) -> ClockIterRelative {
[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] 136 |     pub fn rel_iter(&self) -> ClockIterRelative<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "12c823e4f4f7114b09b796633edd177d6c421ec077b45626cb1581342cd00ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12c823e4f4f7114b09b796633edd177d6c421ec077b45626cb1581342cd00ad6", kill_on_drop: false }`
[INFO] [stdout] 12c823e4f4f7114b09b796633edd177d6c421ec077b45626cb1581342cd00ad6
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 30633ed11ac44dd043b3c474336f2961fd64f0e7c7e77abd3ec8f9cfe349c2a2
[INFO] running `Command { std: "docker" "start" "-a" "30633ed11ac44dd043b3c474336f2961fd64f0e7c7e77abd3ec8f9cfe349c2a2", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/clock.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn iter(&self) -> ClockIter {
[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] 126 |     pub fn iter(&self) -> ClockIter<'_> {
[INFO] [stderr]     |                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/clock.rs:136:21
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pub fn rel_iter(&self) -> ClockIterRelative {
[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] 136 |     pub fn rel_iter(&self) -> ClockIterRelative<'_> {
[INFO] [stderr]     |                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `ticktock` (lib) generated 2 warnings (run `cargo fix --lib -p ticktock` to apply 2 suggestions)
[INFO] [stderr] warning: `ticktock` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ticktock-4271dbbc3a1e3b6f)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test::attempt_works_on_empty_result_vecs ... ok
[INFO] [stdout] test test::attempt_works_on_ok_results ... ok
[INFO] [stdout] test test::attempt_works_on_none_options ... ok
[INFO] [stdout] test timer::tests::test_just_called ... ok
[INFO] [stdout] test test::attempt_works_on_some_options ... ok
[INFO] [stdout] test timer::tests::construction ... ok
[INFO] [stdout] test test::attempt_works_on_err_results ... ok
[INFO] [stdout] test timer::tests::test_single_timer ... ok
[INFO] [stdout] test test::attempt_works_on_empty_option_vecs ... ok
[INFO] [stdout] test timer::tests::value_retrieval ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ticktock
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 8) ... ignored
[INFO] [stdout] test src/lib.rs - Attempt (line 80) ... ignored
[INFO] [stdout] test src/timer.rs - timer (line 12) ... ok
[INFO] [stdout] test src/lib.rs - Attempt (line 58) ... ok
[INFO] [stdout] test src/clock.rs - clock::ClockIter (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 1.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "30633ed11ac44dd043b3c474336f2961fd64f0e7c7e77abd3ec8f9cfe349c2a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30633ed11ac44dd043b3c474336f2961fd64f0e7c7e77abd3ec8f9cfe349c2a2", kill_on_drop: false }`
[INFO] [stdout] 30633ed11ac44dd043b3c474336f2961fd64f0e7c7e77abd3ec8f9cfe349c2a2