[INFO] cloning repository https://github.com/kan-proj/kan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kan-proj/kan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkan-proj%2Fkan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkan-proj%2Fkan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 575dd9d1dfb7b438d1e650e8d7660dba9281b42c
[INFO] checking kan-proj/kan against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkan-proj%2Fkan" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kan-proj/kan
[INFO] finished tweaking git repo https://github.com/kan-proj/kan
[INFO] tweaked toml for git repo https://github.com/kan-proj/kan written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kan-proj/kan on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kan-proj/kan 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.22
[INFO] [stderr]   Downloaded proc-macro2 v1.0.63
[INFO] [stderr]   Downloaded flatbuffers v22.12.6
[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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d68623bf4c75091238e5b459423a28d0b296082036c8191c430be424e889eae
[INFO] running `Command { std: "docker" "start" "-a" "5d68623bf4c75091238e5b459423a28d0b296082036c8191c430be424e889eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d68623bf4c75091238e5b459423a28d0b296082036c8191c430be424e889eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d68623bf4c75091238e5b459423a28d0b296082036c8191c430be424e889eae", kill_on_drop: false }`
[INFO] [stdout] 5d68623bf4c75091238e5b459423a28d0b296082036c8191c430be424e889eae
[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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a017cb940b281cca53818868e34e82a7d23df348c718dbdf02faaf3937263c8
[INFO] running `Command { std: "docker" "start" "-a" "9a017cb940b281cca53818868e34e82a7d23df348c718dbdf02faaf3937263c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling flatbuffers v22.12.6
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking kan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `DateTime`
[INFO] [stdout]  --> src/file/mod.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use chrono::{DateTime, Utc};
[INFO] [stdout]   |                  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::array`
[INFO] [stdout]   --> src/file/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use std::array;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `objects` is never read
[INFO] [stdout]  --> src/meta.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Metagraph<'a, O: ?Sized> {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 3 |     objects: Vec<&'a O>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Metagraph` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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/file/project_file_generated.rs:590:34
[INFO] [stdout]     |
[INFO] [stdout] 590 | pub fn root_as_project_file(buf: &[u8]) -> Result<ProjectFile, flatbuffers::InvalidFlatbuffer> {
[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] 590 | pub fn root_as_project_file(buf: &[u8]) -> Result<ProjectFile<'_>, flatbuffers::InvalidFlatbuffer> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/file/project_file_generated.rs:600:48
[INFO] [stdout]     |
[INFO] [stdout] 600 | pub fn size_prefixed_root_as_project_file(buf: &[u8]) -> Result<ProjectFile, flatbuffers::InvalidFlatbuffer> {
[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] 600 | pub fn size_prefixed_root_as_project_file(buf: &[u8]) -> Result<ProjectFile<'_>, flatbuffers::InvalidFlatbuffer> {
[INFO] [stdout]     |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/file/project_file_generated.rs:633:51
[INFO] [stdout]     |
[INFO] [stdout] 633 | pub unsafe fn root_as_project_file_unchecked(buf: &[u8]) -> ProjectFile {
[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] 633 | pub unsafe fn root_as_project_file_unchecked(buf: &[u8]) -> ProjectFile<'_> {
[INFO] [stdout]     |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/file/project_file_generated.rs:640:65
[INFO] [stdout]     |
[INFO] [stdout] 640 | pub unsafe fn size_prefixed_root_as_project_file_unchecked(buf: &[u8]) -> ProjectFile {
[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] 640 | pub unsafe fn size_prefixed_root_as_project_file_unchecked(buf: &[u8]) -> ProjectFile<'_> {
[INFO] [stdout]     |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> src/file/mod.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let m = Content::create(
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]   --> src/file/mod.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let version = project_file.version();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ops`
[INFO] [stdout]   --> src/file/mod.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let ops = project_file.operations();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/file/project_file_generated.rs:590:34
[INFO] [stdout]     |
[INFO] [stdout] 590 | pub fn root_as_project_file(buf: &[u8]) -> Result<ProjectFile, flatbuffers::InvalidFlatbuffer> {
[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] 590 | pub fn root_as_project_file(buf: &[u8]) -> Result<ProjectFile<'_>, flatbuffers::InvalidFlatbuffer> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/file/project_file_generated.rs:600:48
[INFO] [stdout]     |
[INFO] [stdout] 600 | pub fn size_prefixed_root_as_project_file(buf: &[u8]) -> Result<ProjectFile, flatbuffers::InvalidFlatbuffer> {
[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] 600 | pub fn size_prefixed_root_as_project_file(buf: &[u8]) -> Result<ProjectFile<'_>, flatbuffers::InvalidFlatbuffer> {
[INFO] [stdout]     |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/file/project_file_generated.rs:633:51
[INFO] [stdout]     |
[INFO] [stdout] 633 | pub unsafe fn root_as_project_file_unchecked(buf: &[u8]) -> ProjectFile {
[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] 633 | pub unsafe fn root_as_project_file_unchecked(buf: &[u8]) -> ProjectFile<'_> {
[INFO] [stdout]     |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/file/project_file_generated.rs:640:65
[INFO] [stdout]     |
[INFO] [stdout] 640 | pub unsafe fn size_prefixed_root_as_project_file_unchecked(buf: &[u8]) -> ProjectFile {
[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] 640 | pub unsafe fn size_prefixed_root_as_project_file_unchecked(buf: &[u8]) -> ProjectFile<'_> {
[INFO] [stdout]     |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "9a017cb940b281cca53818868e34e82a7d23df348c718dbdf02faaf3937263c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a017cb940b281cca53818868e34e82a7d23df348c718dbdf02faaf3937263c8", kill_on_drop: false }`
[INFO] [stdout] 9a017cb940b281cca53818868e34e82a7d23df348c718dbdf02faaf3937263c8
