[INFO] fetching crate remain 0.2.15...
[INFO] testing remain-0.2.15 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate remain 0.2.15 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate remain 0.2.15
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate remain 0.2.15
[INFO] tweaked toml for crates.io crate remain 0.2.15 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate remain 0.2.15 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate remain 0.2.15 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 023c4b448bf8dc8800805800860986382f39ed798e9bdf8e27f0831c06bc8e34
[INFO] running `Command { std: "docker" "start" "-a" "023c4b448bf8dc8800805800860986382f39ed798e9bdf8e27f0831c06bc8e34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "023c4b448bf8dc8800805800860986382f39ed798e9bdf8e27f0831c06bc8e34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "023c4b448bf8dc8800805800860986382f39ed798e9bdf8e27f0831c06bc8e34", kill_on_drop: false }`
[INFO] [stdout] 023c4b448bf8dc8800805800860986382f39ed798e9bdf8e27f0831c06bc8e34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d420b61a3ba4b630d4da9891e07c5e64f1e8d29bce909916c641484c024e1e2a
[INFO] running `Command { std: "docker" "start" "-a" "d420b61a3ba4b630d4da9891e07c5e64f1e8d29bce909916c641484c024e1e2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling remain v0.2.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/atom.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn iter_atoms(string: &str) -> AtomIter {
[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] 70 | pub fn iter_atoms(string: &str) -> AtomIter<'_> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.27s
[INFO] running `Command { std: "docker" "inspect" "d420b61a3ba4b630d4da9891e07c5e64f1e8d29bce909916c641484c024e1e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d420b61a3ba4b630d4da9891e07c5e64f1e8d29bce909916c641484c024e1e2a", kill_on_drop: false }`
[INFO] [stdout] d420b61a3ba4b630d4da9891e07c5e64f1e8d29bce909916c641484c024e1e2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6ffc320ec2deac4cbfaa714d2bb36f5f72abe3bbebc0ccec8b1bf3ab4aed529
[INFO] running `Command { std: "docker" "start" "-a" "d6ffc320ec2deac4cbfaa714d2bb36f5f72abe3bbebc0ccec8b1bf3ab4aed529", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling winnow v0.7.3
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling dissimilar v1.0.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling remain v0.2.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/atom.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn iter_atoms(string: &str) -> AtomIter {
[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] 70 | pub fn iter_atoms(string: &str) -> AtomIter<'_> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling toml v0.8.20
[INFO] [stderr]    Compiling trybuild v1.0.103
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/atom.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn iter_atoms(string: &str) -> AtomIter {
[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] 70 | pub fn iter_atoms(string: &str) -> AtomIter<'_> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.11s
[INFO] running `Command { std: "docker" "inspect" "d6ffc320ec2deac4cbfaa714d2bb36f5f72abe3bbebc0ccec8b1bf3ab4aed529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6ffc320ec2deac4cbfaa714d2bb36f5f72abe3bbebc0ccec8b1bf3ab4aed529", kill_on_drop: false }`
[INFO] [stdout] d6ffc320ec2deac4cbfaa714d2bb36f5f72abe3bbebc0ccec8b1bf3ab4aed529
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7fe5bcd5845575aa828d52061c2a36560cac413b77af058178acc4465b7387f8
[INFO] running `Command { std: "docker" "start" "-a" "7fe5bcd5845575aa828d52061c2a36560cac413b77af058178acc4465b7387f8", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/atom.rs:70:27
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub fn iter_atoms(string: &str) -> AtomIter {
[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] 70 | pub fn iter_atoms(string: &str) -> AtomIter<'_> {
[INFO] [stderr]    |                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `remain` (lib) generated 1 warning (run `cargo fix --lib -p remain` to apply 1 suggestion)
[INFO] [stderr] warning: `remain` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/remain-e71c84a8b99f3c50)
[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]      Running tests/compiletest.rs (/opt/rustwide/target/debug/deps/compiletest-633094519cbc98d6)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]     Checking quote v1.0.39
[INFO] [stderr]     Checking syn v2.0.99
[INFO] [stderr]    Compiling remain v0.2.15 (/opt/rustwide/workdir)
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> /opt/rustwide/workdir/src/atom.rs:70:27
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub fn iter_atoms(string: &str) -> AtomIter {
[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] 70 | pub fn iter_atoms(string: &str) -> AtomIter<'_> {
[INFO] [stderr]    |                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `remain` (lib) generated 1 warning (run `cargo fix --lib -p remain` to apply 1 suggestion)
[INFO] [stderr]     Checking remain-tests v0.0.0 (/opt/rustwide/target/tests/trybuild/remain)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.49s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test tests/ui/enum.rs ... ok
[INFO] [stderr] test tests/ui/let-stable.rs ... ok
[INFO] [stderr] test tests/ui/let-unstable.rs ... ok
[INFO] [stderr] test tests/ui/match-stable.rs ... ok
[INFO] [stderr] test tests/ui/match-unstable.rs ... ok
[INFO] [stderr] test tests/ui/repeat.rs ... ok
[INFO] [stderr] test tests/ui/struct.rs ... ok
[INFO] [stderr] test tests/ui/unnamed-fields.rs ... ok
[INFO] [stderr] test tests/ui/unsorted-enum.rs ... ok
[INFO] [stderr] test tests/ui/unsorted-match-stable.rs ... ok
[INFO] [stdout] test ui ... ok
[INFO] [stderr] test tests/ui/unsorted-match-unstable.rs ... ok
[INFO] [stdout] 
[INFO] [stderr] test tests/ui/unsorted-struct.rs ... ok
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.85s
[INFO] [stderr] test tests/ui/unsupported.rs ... ok
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]      Running tests/order.rs (/opt/rustwide/target/debug/deps/order-24e562cddceebdbb)
[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]      Running tests/stable.rs (/opt/rustwide/target/debug/deps/stable-ec38e229b4ecd37f)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_attrs ... ok
[INFO] [stdout] test test_let ... ok
[INFO] [stdout] test test_match ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/unstable.rs (/opt/rustwide/target/debug/deps/unstable-28ffa4a8502fdccc)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_attrs ... ok
[INFO] [stdout] test test_match ... ok
[INFO] [stdout] test test_let ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests remain
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 114) ... ok
[INFO] [stdout] test src/lib.rs - (line 125) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7fe5bcd5845575aa828d52061c2a36560cac413b77af058178acc4465b7387f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe5bcd5845575aa828d52061c2a36560cac413b77af058178acc4465b7387f8", kill_on_drop: false }`
[INFO] [stdout] 7fe5bcd5845575aa828d52061c2a36560cac413b77af058178acc4465b7387f8