[INFO] fetching crate sweep-bptree 0.4.1... [INFO] testing sweep-bptree-0.4.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2 [INFO] extracting crate sweep-bptree 0.4.1 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate sweep-bptree 0.4.1 [INFO] finished tweaking crates.io crate sweep-bptree 0.4.1 [INFO] tweaked toml for crates.io crate sweep-bptree 0.4.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate sweep-bptree 0.4.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate sweep-bptree 0.4.1 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f80a63a8a1219460d57f70e6ab1de6ea9e8c4fa5f16ebcf89d616ebf0b7d2eed [INFO] running `Command { std: "docker" "start" "-a" "f80a63a8a1219460d57f70e6ab1de6ea9e8c4fa5f16ebcf89d616ebf0b7d2eed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f80a63a8a1219460d57f70e6ab1de6ea9e8c4fa5f16ebcf89d616ebf0b7d2eed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f80a63a8a1219460d57f70e6ab1de6ea9e8c4fa5f16ebcf89d616ebf0b7d2eed", kill_on_drop: false }` [INFO] [stdout] f80a63a8a1219460d57f70e6ab1de6ea9e8c4fa5f16ebcf89d616ebf0b7d2eed [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f5ce67b7e727a1fc7d28663c2e8cbf186b62e2e266038fd36aa9d09e564ec24 [INFO] running `Command { std: "docker" "start" "-a" "8f5ce67b7e727a1fc7d28663c2e8cbf186b62e2e266038fd36aa9d09e564ec24", kill_on_drop: false }` [INFO] [stderr] Compiling sweep-bptree v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/set.rs:203:17 [INFO] [stdout] | [INFO] [stdout] 203 | pub fn iter(&self) -> iter::Iter { [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] 203 | pub fn iter(&self) -> iter::Iter<'_, K> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/tree/mod.rs:493:70 [INFO] [stdout] | [INFO] [stdout] 493 | fn key_to_ref<'a, Q: ?Sized>(&'a self, k: &Q) -> Option> [INFO] [stdout] | -- the lifetime is named here ^^^^^ the same 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 493 | fn key_to_ref<'a, Q: ?Sized>(&'a self, k: &Q) -> Option> [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/tree/mod.rs:613:17 [INFO] [stdout] | [INFO] [stdout] 613 | pub fn iter(&self) -> iterator::Iter { [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] 613 | pub fn iter(&self) -> iterator::Iter<'_, S> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s [INFO] running `Command { std: "docker" "inspect" "8f5ce67b7e727a1fc7d28663c2e8cbf186b62e2e266038fd36aa9d09e564ec24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f5ce67b7e727a1fc7d28663c2e8cbf186b62e2e266038fd36aa9d09e564ec24", kill_on_drop: false }` [INFO] [stdout] 8f5ce67b7e727a1fc7d28663c2e8cbf186b62e2e266038fd36aa9d09e564ec24 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b43df3a01864f8ef314be27fe78c53a1bb16451b610c0e789fa8f50adb97cbe [INFO] running `Command { std: "docker" "start" "-a" "3b43df3a01864f8ef314be27fe78c53a1bb16451b610c0e789fa8f50adb97cbe", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling proc-macro2 v1.0.53 [INFO] [stderr] Compiling quote v1.0.26 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Compiling serde_derive v1.0.158 [INFO] [stderr] Compiling serde v1.0.158 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling serde_json v1.0.94 [INFO] [stderr] Compiling either v1.8.1 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Compiling os_str_bytes v6.5.0 [INFO] [stderr] Compiling itoa v1.0.6 [INFO] [stderr] Compiling ciborium-io v0.2.0 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling half v1.8.2 [INFO] [stderr] Compiling ryu v1.0.13 [INFO] [stderr] Compiling plotters-backend v0.3.4 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling textwrap v0.16.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling clap_lex v0.2.4 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling plotters-svg v0.3.3 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.53/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file` [INFO] [stdout] | [INFO] [stdout] 92 - feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] 92 + feature(proc_macro_span, proc_macro_span_file) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling ciborium-ll v0.2.0 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/set.rs:203:17 [INFO] [stdout] | [INFO] [stdout] 203 | pub fn iter(&self) -> iter::Iter { [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] 203 | pub fn iter(&self) -> iter::Iter<'_, K> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/tree/mod.rs:493:70 [INFO] [stdout] | [INFO] [stdout] 493 | fn key_to_ref<'a, Q: ?Sized>(&'a self, k: &Q) -> Option> [INFO] [stdout] | -- the lifetime is named here ^^^^^ the same 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 493 | fn key_to_ref<'a, Q: ?Sized>(&'a self, k: &Q) -> Option> [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/tree/mod.rs:613:17 [INFO] [stdout] | [INFO] [stdout] 613 | pub fn iter(&self) -> iterator::Iter { [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] 613 | pub fn iter(&self) -> iterator::Iter<'_, S> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling memoffset v0.8.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.14 [INFO] [stderr] Compiling indexmap v1.9.2 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling crossbeam-channel v0.5.7 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "3b43df3a01864f8ef314be27fe78c53a1bb16451b610c0e789fa8f50adb97cbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b43df3a01864f8ef314be27fe78c53a1bb16451b610c0e789fa8f50adb97cbe", kill_on_drop: false }` [INFO] [stdout] 3b43df3a01864f8ef314be27fe78c53a1bb16451b610c0e789fa8f50adb97cbe