[INFO] cloning repository https://github.com/cniessigma/rust_lru [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cniessigma/rust_lru" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcniessigma%2Frust_lru", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcniessigma%2Frust_lru'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 268ad4a34202dd1183bd32e29dfbfcf59dbbebb3 [INFO] checking cniessigma/rust_lru against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcniessigma%2Frust_lru" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/cniessigma/rust_lru [INFO] finished tweaking git repo https://github.com/cniessigma/rust_lru [INFO] tweaked toml for git repo https://github.com/cniessigma/rust_lru written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/cniessigma/rust_lru on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/cniessigma/rust_lru 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6ec824cdac54f74751ef692ca9a8636285287c9581346bfa567a4fde2c2cfc04 [INFO] running `Command { std: "docker" "start" "-a" "6ec824cdac54f74751ef692ca9a8636285287c9581346bfa567a4fde2c2cfc04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6ec824cdac54f74751ef692ca9a8636285287c9581346bfa567a4fde2c2cfc04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ec824cdac54f74751ef692ca9a8636285287c9581346bfa567a4fde2c2cfc04", kill_on_drop: false }` [INFO] [stdout] 6ec824cdac54f74751ef692ca9a8636285287c9581346bfa567a4fde2c2cfc04 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 261b4de5adf9f907b61dbd363a2ebd06d3d76d902d5804a0ee0956aaecb7f852 [INFO] running `Command { std: "docker" "start" "-a" "261b4de5adf9f907b61dbd363a2ebd06d3d76d902d5804a0ee0956aaecb7f852", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.10 [INFO] [stderr] Compiling semver v1.0.10 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.9 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Checking crossbeam-channel v0.5.5 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking lru_cache v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/linked_list/cellist.rs:185:9 [INFO] [stdout] | [INFO] [stdout] 185 | let n = match ptr { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/linked_list.rs:33:11 [INFO] [stdout] | [INFO] [stdout] 33 | fn iter(&self) -> DLLIterator { [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] 33 | fn iter(&self) -> DLLIterator<'_, T, Self> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/linked_list.rs:41:15 [INFO] [stdout] | [INFO] [stdout] 41 | fn iter_mut(&mut self) -> DLLMutIterator { [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] 41 | fn iter_mut(&mut self) -> DLLMutIterator<'_, T, Self> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/lru.rs:26:51 [INFO] [stdout] | [INFO] [stdout] 26 | fn get<'a>(&'a mut self, key: &'a K) -> Option<&'_ T> { [INFO] [stdout] | -- -- ^^ the same lifetime is elided here [INFO] [stdout] | | | [INFO] [stdout] | | the lifetime is named here [INFO] [stdout] | the lifetime is named 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] 26 - fn get<'a>(&'a mut self, key: &'a K) -> Option<&'_ T> { [INFO] [stdout] 26 + fn get<'a>(&'a mut self, key: &'a K) -> Option<&'a T> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/linked_list/cellist.rs:185:9 [INFO] [stdout] | [INFO] [stdout] 185 | let n = match ptr { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/linked_list.rs:33:11 [INFO] [stdout] | [INFO] [stdout] 33 | fn iter(&self) -> DLLIterator { [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] 33 | fn iter(&self) -> DLLIterator<'_, T, Self> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/linked_list.rs:41:15 [INFO] [stdout] | [INFO] [stdout] 41 | fn iter_mut(&mut self) -> DLLMutIterator { [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] 41 | fn iter_mut(&mut self) -> DLLMutIterator<'_, T, Self> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/lru.rs:26:51 [INFO] [stdout] | [INFO] [stdout] 26 | fn get<'a>(&'a mut self, key: &'a K) -> Option<&'_ T> { [INFO] [stdout] | -- -- ^^ the same lifetime is elided here [INFO] [stdout] | | | [INFO] [stdout] | | the lifetime is named here [INFO] [stdout] | the lifetime is named 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] 26 - fn get<'a>(&'a mut self, key: &'a K) -> Option<&'_ T> { [INFO] [stdout] 26 + fn get<'a>(&'a mut self, key: &'a K) -> Option<&'a T> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.34s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 8` [INFO] running `Command { std: "docker" "inspect" "261b4de5adf9f907b61dbd363a2ebd06d3d76d902d5804a0ee0956aaecb7f852", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "261b4de5adf9f907b61dbd363a2ebd06d3d76d902d5804a0ee0956aaecb7f852", kill_on_drop: false }` [INFO] [stdout] 261b4de5adf9f907b61dbd363a2ebd06d3d76d902d5804a0ee0956aaecb7f852