[INFO] fetching crate remain 0.2.15...
[INFO] checking remain-0.2.15 against try#f93f9bd1edfdb032bbf1c02773329541b22aa5a7 for pr-150727-1
[INFO] extracting crate remain 0.2.15 into /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate remain 0.2.15 on toolchain f93f9bd1edfdb032bbf1c02773329541b22aa5a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "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" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de362a4a6c9fe1ae979167cfe3891151224647bb53afac3eaa3cb150344bed8d
[INFO] running `Command { std: "docker" "start" "-a" "de362a4a6c9fe1ae979167cfe3891151224647bb53afac3eaa3cb150344bed8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de362a4a6c9fe1ae979167cfe3891151224647bb53afac3eaa3cb150344bed8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de362a4a6c9fe1ae979167cfe3891151224647bb53afac3eaa3cb150344bed8d", kill_on_drop: false }`
[INFO] [stdout] de362a4a6c9fe1ae979167cfe3891151224647bb53afac3eaa3cb150344bed8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1d60870202da7f95b005ccc18157fbb9b3fc0fb8ab927c2b783877ead3e02e7
[INFO] running `Command { std: "docker" "start" "-a" "a1d60870202da7f95b005ccc18157fbb9b3fc0fb8ab927c2b783877ead3e02e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking winnow v0.7.3
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking ryu v1.0.19
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking dissimilar v1.0.10
[INFO] [stderr]     Checking glob v0.3.2
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr]     Checking quote v1.0.39
[INFO] [stderr]     Checking syn v2.0.99
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_edit v0.22.24
[INFO] [stderr]     Checking 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 serde_derive v1.0.218
[INFO] [stderr]     Checking toml v0.8.20
[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]     Checking 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 `dev` profile [unoptimized + debuginfo] target(s) in 16.09s
[INFO] running `Command { std: "docker" "inspect" "a1d60870202da7f95b005ccc18157fbb9b3fc0fb8ab927c2b783877ead3e02e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d60870202da7f95b005ccc18157fbb9b3fc0fb8ab927c2b783877ead3e02e7", kill_on_drop: false }`
[INFO] [stdout] a1d60870202da7f95b005ccc18157fbb9b3fc0fb8ab927c2b783877ead3e02e7