[INFO] fetching crate code_editor 0.3.9...
[INFO] checking code_editor-0.3.9 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate code_editor 0.3.9 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate code_editor 0.3.9
[INFO] finished tweaking crates.io crate code_editor 0.3.9
[INFO] tweaked toml for crates.io crate code_editor 0.3.9 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate code_editor 0.3.9 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 62 packages to latest compatible versions
[INFO] [stderr]       Adding copypasta v0.8.2 (available: v0.10.2)
[INFO] [stderr]       Adding fontdue v0.7.3 (available: v0.9.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d13065c44c1f7b09ea126c7a291e2c6cfc095b40f2786d76c0ae6c6d09297d8
[INFO] running `Command { std: "docker" "start" "-a" "8d13065c44c1f7b09ea126c7a291e2c6cfc095b40f2786d76c0ae6c6d09297d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d13065c44c1f7b09ea126c7a291e2c6cfc095b40f2786d76c0ae6c6d09297d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d13065c44c1f7b09ea126c7a291e2c6cfc095b40f2786d76c0ae6c6d09297d8", kill_on_drop: false }`
[INFO] [stdout] 8d13065c44c1f7b09ea126c7a291e2c6cfc095b40f2786d76c0ae6c6d09297d8
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ef5e63ee96b5762448dbcb10fa05c9d413bd7b8c079e16fca2668be8b02e760
[INFO] running `Command { std: "docker" "start" "-a" "5ef5e63ee96b5762448dbcb10fa05c9d413bd7b8c079e16fca2668be8b02e760", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.26
[INFO] [stderr]     Checking libloading v0.8.8
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]     Checking xcursor v0.3.10
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.1
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]     Checking fontdue v0.7.3
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking x11rb-protocol v0.10.0
[INFO] [stderr]     Checking wayland-cursor v0.29.5
[INFO] [stderr]     Checking x11rb v0.10.1
[INFO] [stderr]     Checking x11-clipboard v0.7.1
[INFO] [stderr]     Checking smithay-clipboard v0.6.6
[INFO] [stderr]     Checking copypasta v0.8.2
[INFO] [stderr]     Checking code_editor v0.3.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::error::*`
[INFO] [stdout]   --> src/lib.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub use crate::error::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error::*`
[INFO] [stdout]   --> src/lib.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub use crate::error::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CodeError` is never constructed
[INFO] [stdout]  --> src/error.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct CodeError {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/scanner.rs:95:23
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn new(code: &'sourcecode str) -> Scanner {
[INFO] [stdout]    |                       ^^^^^^^^^^^         ------- the lifetime gets resolved as `'sourcecode`
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'sourcecode`
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn new(code: &'sourcecode str) -> Scanner<'sourcecode> {
[INFO] [stdout]    |                                                  +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CodeError` is never constructed
[INFO] [stdout]  --> src/error.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct CodeError {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/scanner.rs:95:23
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn new(code: &'sourcecode str) -> Scanner {
[INFO] [stdout]    |                       ^^^^^^^^^^^         ------- the lifetime gets resolved as `'sourcecode`
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'sourcecode`
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn new(code: &'sourcecode str) -> Scanner<'sourcecode> {
[INFO] [stdout]    |                                                  +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.32s
[INFO] running `Command { std: "docker" "inspect" "5ef5e63ee96b5762448dbcb10fa05c9d413bd7b8c079e16fca2668be8b02e760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef5e63ee96b5762448dbcb10fa05c9d413bd7b8c079e16fca2668be8b02e760", kill_on_drop: false }`
[INFO] [stdout] 5ef5e63ee96b5762448dbcb10fa05c9d413bd7b8c079e16fca2668be8b02e760