[INFO] fetching crate compt 2.1.0... [INFO] checking compt-2.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] extracting crate compt 2.1.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate compt 2.1.0 [INFO] finished tweaking crates.io crate compt 2.1.0 [INFO] tweaked toml for crates.io crate compt 2.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate compt 2.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate compt 2.1.0 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustc-test v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bb8793c3d52c429c2f090eff2c4656e84aa138374b6996acca5456bb1287b1e6 [INFO] running `Command { std: "docker" "start" "-a" "bb8793c3d52c429c2f090eff2c4656e84aa138374b6996acca5456bb1287b1e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb8793c3d52c429c2f090eff2c4656e84aa138374b6996acca5456bb1287b1e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb8793c3d52c429c2f090eff2c4656e84aa138374b6996acca5456bb1287b1e6", kill_on_drop: false }` [INFO] [stdout] bb8793c3d52c429c2f090eff2c4656e84aa138374b6996acca5456bb1287b1e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7997a4c0e6b9ab20703747611e78d372614f7ba695118c4f1f3c3c27e18b7743 [INFO] running `Command { std: "docker" "start" "-a" "7997a4c0e6b9ab20703747611e78d372614f7ba695118c4f1f3c3c27e18b7743", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling rustc-test v0.3.1 [INFO] [stderr] Checking term v0.4.6 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking compt v2.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dfs_order.rs:107:20 [INFO] [stdout] | [INFO] [stdout] 107 | pub fn as_tree(&self) -> CompleteTree { [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] 107 | pub fn as_tree(&self) -> CompleteTree<'_, T, D> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dfs_order.rs:114:24 [INFO] [stdout] | [INFO] [stdout] 114 | pub fn as_tree_mut(&mut self) -> CompleteTreeMut { [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] 114 | pub fn as_tree_mut(&mut self) -> CompleteTreeMut<'_, T, D> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dfs_order.rs:208:20 [INFO] [stdout] | [INFO] [stdout] 208 | pub fn as_tree(&self) -> CompleteTree { [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] 208 | pub fn as_tree(&self) -> CompleteTree<'_, T, D> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dfs_order.rs:215:23 [INFO] [stdout] | [INFO] [stdout] 215 | pub fn borrow_mut(&mut self)->CompleteTreeMut{ [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] 215 | pub fn borrow_mut(&mut self)->CompleteTreeMut<'_, T,D>{ [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dfs_order.rs:260:19 [INFO] [stdout] | [INFO] [stdout] 260 | pub fn borrow(&self)->CompleteTree{ [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] 260 | pub fn borrow(&self)->CompleteTree<'_, T,D>{ [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dfs_order.rs:305:19 [INFO] [stdout] | [INFO] [stdout] 305 | pub fn borrow(&self) -> Vistr { [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] 305 | pub fn borrow(&self) -> Vistr<'_, T, D> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dfs_order.rs:397:38 [INFO] [stdout] | [INFO] [stdout] 397 | fn vistr_next(vistr: Vistr) -> (&T, Option<[Vistr; 2]>) { [INFO] [stdout] | ^^^^^^^^^^^ -- ----------- the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is hidden 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] 397 | fn vistr_next(vistr: Vistr<'_, T, D>) -> (&T, Option<[Vistr<'_, T, D>; 2]>) { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dfs_order.rs:443:19 [INFO] [stdout] | [INFO] [stdout] 443 | pub fn borrow(&self) -> Vistr { [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] 443 | pub fn borrow(&self) -> Vistr<'_, T, D> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dfs_order.rs:451:23 [INFO] [stdout] | [INFO] [stdout] 451 | pub fn borrow_mut(&mut self) -> VistrMut { [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] 451 | pub fn borrow_mut(&mut self) -> VistrMut<'_, T, D> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dfs_order.rs:471:42 [INFO] [stdout] | [INFO] [stdout] 471 | fn vistr_mut_next(vistr: VistrMut) -> (&mut T, Option<[VistrMut; 2]>) { [INFO] [stdout] | ^^^^^^^^^^^^^^ ------ -------------- the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is hidden 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] 471 | fn vistr_mut_next(vistr: VistrMut<'_, T, D>) -> (&mut T, Option<[VistrMut<'_, T, D>; 2]>) { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.24/src/serialize.rs:1155:5 [INFO] [stdout] | [INFO] [stdout] 1155 | fn decode(d: &mut D) -> Result, D::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | the parameter type `T` must be valid for the static lifetime... [INFO] [stdout] | ...so that the type `T` will meet its required lifetime bounds... [INFO] [stdout] | [INFO] [stdout] note: ...that is required by this bound [INFO] [stdout] --> /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/alloc/src/borrow.rs:179:30 [INFO] [stdout] help: consider adding an explicit lifetime bound [INFO] [stdout] | [INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T> [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking time v0.1.44 [INFO] [stdout] For more information about this error, try `rustc --explain E0310`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "7997a4c0e6b9ab20703747611e78d372614f7ba695118c4f1f3c3c27e18b7743", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7997a4c0e6b9ab20703747611e78d372614f7ba695118c4f1f3c3c27e18b7743", kill_on_drop: false }` [INFO] [stdout] 7997a4c0e6b9ab20703747611e78d372614f7ba695118c4f1f3c3c27e18b7743