[INFO] cloning repository https://github.com/paper-lark/group [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paper-lark/group" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaper-lark%2Fgroup", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaper-lark%2Fgroup'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5d7a7a8e40c04c83b8945dac6e8da5eea0bcad27 [INFO] checking paper-lark/group against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaper-lark%2Fgroup" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/paper-lark/group [INFO] finished tweaking git repo https://github.com/paper-lark/group [INFO] tweaked toml for git repo https://github.com/paper-lark/group written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/paper-lark/group on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/paper-lark/group 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded string-error v0.1.0 [INFO] [stderr] Downloaded signal-hook-mio v0.2.1 [INFO] [stderr] Downloaded crossterm_winapi v0.8.0 [INFO] [stderr] Downloaded quote v1.0.14 [INFO] [stderr] Downloaded crossterm_winapi v0.9.0 [INFO] [stderr] Downloaded serde_yaml v0.8.23 [INFO] [stderr] Downloaded crossterm v0.22.1 [INFO] [stderr] Downloaded signal-hook v0.3.13 [INFO] [stderr] Downloaded crossterm v0.20.0 [INFO] [stderr] Downloaded tui v0.16.0 [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5449c8d0810943eff69d820965cd7d7c44163ad86469bd93998172bb242f907f [INFO] running `Command { std: "docker" "start" "-a" "5449c8d0810943eff69d820965cd7d7c44163ad86469bd93998172bb242f907f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5449c8d0810943eff69d820965cd7d7c44163ad86469bd93998172bb242f907f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5449c8d0810943eff69d820965cd7d7c44163ad86469bd93998172bb242f907f", kill_on_drop: false }` [INFO] [stdout] 5449c8d0810943eff69d820965cd7d7c44163ad86469bd93998172bb242f907f [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d94f737ea4c6d2047baa36cd80e4eb74588934ae3fa01958e031ac917c0fcceb [INFO] running `Command { std: "docker" "start" "-a" "d94f737ea4c6d2047baa36cd80e4eb74588934ae3fa01958e031ac917c0fcceb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling signal-hook v0.3.13 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling serde_derive v1.0.132 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Compiling serde v1.0.132 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Compiling serde_json v1.0.73 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking cassowary v0.3.0 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking string-error v0.1.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking signal-hook-mio v0.2.1 [INFO] [stderr] Checking crossterm v0.20.0 [INFO] [stderr] Checking crossterm v0.22.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking tui v0.16.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking structopt v0.3.25 [INFO] [stderr] Checking serde_yaml v0.8.23 [INFO] [stderr] Checking group v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `row` is never used [INFO] [stdout] --> src/io/dataframe.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 55 | pub trait DataFrame { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 58 | fn row(&self, index: usize) -> Vec; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (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/io/dataframe.rs:124:19 [INFO] [stdout] | [INFO] [stdout] 124 | pub fn filter(&self, column_filters: &HashMap) -> DataFrameFilterView { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 124 | pub fn filter(&self, column_filters: &HashMap) -> DataFrameFilterView<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/io/dataframe.rs:141:90 [INFO] [stdout] | [INFO] [stdout] 141 | pub fn group_by<'a>(&'a self, columns: &'a [String], extra_columns: &'a [String]) -> DataFrameGroupView { [INFO] [stdout] | -- -- -- ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetime is named here [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] 141 | pub fn group_by<'a>(&'a self, columns: &'a [String], extra_columns: &'a [String]) -> DataFrameGroupView<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `row` is never used [INFO] [stdout] --> src/io/dataframe.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 55 | pub trait DataFrame { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 58 | fn row(&self, index: usize) -> Vec; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (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/io/dataframe.rs:124:19 [INFO] [stdout] | [INFO] [stdout] 124 | pub fn filter(&self, column_filters: &HashMap) -> DataFrameFilterView { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 124 | pub fn filter(&self, column_filters: &HashMap) -> DataFrameFilterView<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/io/dataframe.rs:141:90 [INFO] [stdout] | [INFO] [stdout] 141 | pub fn group_by<'a>(&'a self, columns: &'a [String], extra_columns: &'a [String]) -> DataFrameGroupView { [INFO] [stdout] | -- -- -- ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetime is named here [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] 141 | pub fn group_by<'a>(&'a self, columns: &'a [String], extra_columns: &'a [String]) -> DataFrameGroupView<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.88s [INFO] running `Command { std: "docker" "inspect" "d94f737ea4c6d2047baa36cd80e4eb74588934ae3fa01958e031ac917c0fcceb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d94f737ea4c6d2047baa36cd80e4eb74588934ae3fa01958e031ac917c0fcceb", kill_on_drop: false }` [INFO] [stdout] d94f737ea4c6d2047baa36cd80e4eb74588934ae3fa01958e031ac917c0fcceb