[INFO] fetching crate syntax-error 0.0.4...
[INFO] testing syntax-error-0.0.4 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate syntax-error 0.0.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate syntax-error 0.0.4
[INFO] finished tweaking crates.io crate syntax-error 0.0.4
[INFO] tweaked toml for crates.io crate syntax-error 0.0.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate syntax-error 0.0.4 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.2)
[INFO] [stderr]       Adding yansi v0.5.1 (available: v1.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8c3046aebe6561265d16cefadb7be535bc5eef52ee1d54906fea2a62d8409a5
[INFO] running `Command { std: "docker" "start" "-a" "f8c3046aebe6561265d16cefadb7be535bc5eef52ee1d54906fea2a62d8409a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8c3046aebe6561265d16cefadb7be535bc5eef52ee1d54906fea2a62d8409a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8c3046aebe6561265d16cefadb7be535bc5eef52ee1d54906fea2a62d8409a5", kill_on_drop: false }`
[INFO] [stdout] f8c3046aebe6561265d16cefadb7be535bc5eef52ee1d54906fea2a62d8409a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f40f2de374cb04df03cd76cbbf9837f19dcce21e303630a4b97ed2aee497e645
[INFO] running `Command { std: "docker" "start" "-a" "f40f2de374cb04df03cd76cbbf9837f19dcce21e303630a4b97ed2aee497e645", kill_on_drop: false }`
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling syntax-error v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `concolor`
[INFO] [stdout]   --> src/draw.rs:96:15
[INFO] [stdout]    |
[INFO] [stdout] 96 |     #[cfg(not(feature = "concolor"))]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`
[INFO] [stdout]    = help: consider adding `concolor` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `concolor`
[INFO] [stdout]    --> src/draw.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |         if cfg!(feature = "concolor") {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`
[INFO] [stdout]     = help: consider adding `concolor` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `concolor`
[INFO] [stdout]    --> src/draw.rs:141:17
[INFO] [stdout]     |
[INFO] [stdout] 141 |         if cfg!(feature = "concolor") {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`
[INFO] [stdout]     = help: consider adding `concolor` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/write.rs:573:59
[INFO] [stdout]     |
[INFO] [stdout] 573 | ...                   get_vbar(col, row).filter(|_| (col != line_label.col || line_label.label.msg.is_some()))
[INFO] [stdout]     |                                                     ^                                                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 573 -                             get_vbar(col, row).filter(|_| (col != line_label.col || line_label.label.msg.is_some()))
[INFO] [stdout] 573 +                             get_vbar(col, row).filter(|_| col != line_label.col || line_label.label.msg.is_some() )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vbar_break`, `mtop`, and `rcross` are never read
[INFO] [stdout]   --> src/draw.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub struct Characters {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  8 |     pub vbar_break: char,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub mtop: char,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub rcross: char,
[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/write.rs:34:26
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn get_source_groups(&self, cache: &mut FileCache) -> Vec<SourceGroup> {
[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] 34 |     fn get_source_groups(&self, cache: &mut FileCache) -> Vec<SourceGroup<'_>> {
[INFO] [stdout]    |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "f40f2de374cb04df03cd76cbbf9837f19dcce21e303630a4b97ed2aee497e645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40f2de374cb04df03cd76cbbf9837f19dcce21e303630a4b97ed2aee497e645", kill_on_drop: false }`
[INFO] [stdout] f40f2de374cb04df03cd76cbbf9837f19dcce21e303630a4b97ed2aee497e645
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28bd941bc3dad8d205543b60c55e495942b21d4c264cf631994de12699319a74
[INFO] running `Command { std: "docker" "start" "-a" "28bd941bc3dad8d205543b60c55e495942b21d4c264cf631994de12699319a74", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition value: `concolor`
[INFO] [stdout]   --> src/draw.rs:96:15
[INFO] [stdout]    |
[INFO] [stdout] 96 |     #[cfg(not(feature = "concolor"))]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`
[INFO] [stdout]    = help: consider adding `concolor` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `concolor`
[INFO] [stdout]    --> src/draw.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |         if cfg!(feature = "concolor") {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`
[INFO] [stdout]     = help: consider adding `concolor` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `concolor`
[INFO] [stdout]    --> src/draw.rs:141:17
[INFO] [stdout]     |
[INFO] [stdout] 141 |         if cfg!(feature = "concolor") {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`
[INFO] [stdout]     = help: consider adding `concolor` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/write.rs:573:59
[INFO] [stdout]     |
[INFO] [stdout] 573 | ...                   get_vbar(col, row).filter(|_| (col != line_label.col || line_label.label.msg.is_some()))
[INFO] [stdout]     |                                                     ^                                                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 573 -                             get_vbar(col, row).filter(|_| (col != line_label.col || line_label.label.msg.is_some()))
[INFO] [stdout] 573 +                             get_vbar(col, row).filter(|_| col != line_label.col || line_label.label.msg.is_some() )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syntax-error v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `vbar_break`, `mtop`, and `rcross` are never read
[INFO] [stdout]   --> src/draw.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub struct Characters {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  8 |     pub vbar_break: char,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub mtop: char,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub rcross: char,
[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/write.rs:34:26
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn get_source_groups(&self, cache: &mut FileCache) -> Vec<SourceGroup> {
[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] 34 |     fn get_source_groups(&self, cache: &mut FileCache) -> Vec<SourceGroup<'_>> {
[INFO] [stdout]    |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `concolor`
[INFO] [stdout]   --> src/draw.rs:96:15
[INFO] [stdout]    |
[INFO] [stdout] 96 |     #[cfg(not(feature = "concolor"))]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`
[INFO] [stdout]    = help: consider adding `concolor` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `concolor`
[INFO] [stdout]    --> src/draw.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |         if cfg!(feature = "concolor") {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`
[INFO] [stdout]     = help: consider adding `concolor` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `concolor`
[INFO] [stdout]    --> src/draw.rs:141:17
[INFO] [stdout]     |
[INFO] [stdout] 141 |         if cfg!(feature = "concolor") {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`
[INFO] [stdout]     = help: consider adding `concolor` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/write.rs:573:59
[INFO] [stdout]     |
[INFO] [stdout] 573 | ...                   get_vbar(col, row).filter(|_| (col != line_label.col || line_label.label.msg.is_some()))
[INFO] [stdout]     |                                                     ^                                                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 573 -                             get_vbar(col, row).filter(|_| (col != line_label.col || line_label.label.msg.is_some()))
[INFO] [stdout] 573 +                             get_vbar(col, row).filter(|_| col != line_label.col || line_label.label.msg.is_some() )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vbar_break`, `mtop`, and `rcross` are never read
[INFO] [stdout]   --> src/draw.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub struct Characters {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  8 |     pub vbar_break: char,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub mtop: char,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub rcross: char,
[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/write.rs:34:26
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn get_source_groups(&self, cache: &mut FileCache) -> Vec<SourceGroup> {
[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] 34 |     fn get_source_groups(&self, cache: &mut FileCache) -> Vec<SourceGroup<'_>> {
[INFO] [stdout]    |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "28bd941bc3dad8d205543b60c55e495942b21d4c264cf631994de12699319a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28bd941bc3dad8d205543b60c55e495942b21d4c264cf631994de12699319a74", kill_on_drop: false }`
[INFO] [stdout] 28bd941bc3dad8d205543b60c55e495942b21d4c264cf631994de12699319a74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d905c2fcdaa8f8eb26fbf21fd46d3123068bab017cc8c9d826c22175d34d9c6e
[INFO] running `Command { std: "docker" "start" "-a" "d905c2fcdaa8f8eb26fbf21fd46d3123068bab017cc8c9d826c22175d34d9c6e", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `concolor`
[INFO] [stderr]   --> src/draw.rs:96:15
[INFO] [stderr]    |
[INFO] [stderr] 96 |     #[cfg(not(feature = "concolor"))]
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `default`
[INFO] [stderr]    = help: consider adding `concolor` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `concolor`
[INFO] [stderr]    --> src/draw.rs:128:17
[INFO] [stderr]     |
[INFO] [stderr] 128 |         if cfg!(feature = "concolor") {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default`
[INFO] [stderr]     = help: consider adding `concolor` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `concolor`
[INFO] [stderr]    --> src/draw.rs:141:17
[INFO] [stderr]     |
[INFO] [stderr] 141 |         if cfg!(feature = "concolor") {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default`
[INFO] [stderr]     = help: consider adding `concolor` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/write.rs:573:59
[INFO] [stderr]     |
[INFO] [stderr] 573 | ...                   get_vbar(col, row).filter(|_| (col != line_label.col || line_label.label.msg.is_some()))
[INFO] [stderr]     |                                                     ^                                                       ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 573 -                             get_vbar(col, row).filter(|_| (col != line_label.col || line_label.label.msg.is_some()))
[INFO] [stderr] 573 +                             get_vbar(col, row).filter(|_| col != line_label.col || line_label.label.msg.is_some() )
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `vbar_break`, `mtop`, and `rcross` are never read
[INFO] [stderr]   --> src/draw.rs:8:9
[INFO] [stderr]    |
[INFO] [stderr]  4 | pub struct Characters {
[INFO] [stderr]    |            ---------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr]  8 |     pub vbar_break: char,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 15 |     pub mtop: char,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 25 |     pub rcross: char,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/write.rs:34:26
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn get_source_groups(&self, cache: &mut FileCache) -> Vec<SourceGroup> {
[INFO] [stderr]    |                          ^^^^^ the lifetime is elided here    ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn get_source_groups(&self, cache: &mut FileCache) -> Vec<SourceGroup<'_>> {
[INFO] [stderr]    |                                                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `syntax-error` (lib) generated 6 warnings (run `cargo fix --lib -p syntax-error` to apply 2 suggestions)
[INFO] [stderr] warning: `syntax-error` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/syntax_error-73ca66f0e814f4b1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests syntax_error
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/write.rs:573:59
[INFO] [stderr]     |
[INFO] [stderr] 573 | ...                   get_vbar(col, row).filter(|_| (col != line_label.col || line_label.label.msg.is_some()))
[INFO] [stderr]     |                                                     ^                                                       ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 573 -                             get_vbar(col, row).filter(|_| (col != line_label.col || line_label.label.msg.is_some()))
[INFO] [stderr] 573 +                             get_vbar(col, row).filter(|_| col != line_label.col || line_label.label.msg.is_some() )
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d905c2fcdaa8f8eb26fbf21fd46d3123068bab017cc8c9d826c22175d34d9c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d905c2fcdaa8f8eb26fbf21fd46d3123068bab017cc8c9d826c22175d34d9c6e", kill_on_drop: false }`
[INFO] [stdout] d905c2fcdaa8f8eb26fbf21fd46d3123068bab017cc8c9d826c22175d34d9c6e
