[INFO] cloning repository https://github.com/suolakaivos/cyan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suolakaivos/cyan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuolakaivos%2Fcyan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuolakaivos%2Fcyan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28e173ebe1099b06d8808e5d1ad81cea582d1e30
[INFO] checking suolakaivos/cyan against master#7606c13961ddc1174b70638e934df0439b7dc515 for pr-121979
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuolakaivos%2Fcyan" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suolakaivos/cyan on toolchain 7606c13961ddc1174b70638e934df0439b7dc515
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7606c13961ddc1174b70638e934df0439b7dc515" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/suolakaivos/cyan
[INFO] finished tweaking git repo https://github.com/suolakaivos/cyan
[INFO] tweaked toml for git repo https://github.com/suolakaivos/cyan written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/suolakaivos/cyan 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" "+7606c13961ddc1174b70638e934df0439b7dc515" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking suolakaivos/cyan against try#ae973628c64ab60398819bcc1fd9f08ae68ad5b5 for pr-121979
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuolakaivos%2Fcyan" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suolakaivos/cyan on toolchain ae973628c64ab60398819bcc1fd9f08ae68ad5b5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/suolakaivos/cyan
[INFO] finished tweaking git repo https://github.com/suolakaivos/cyan
[INFO] tweaked toml for git repo https://github.com/suolakaivos/cyan written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/suolakaivos/cyan 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" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[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 libc v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4521772b31a8922f0bfdb23cba173f5062ed7925e6e10160530d37425cd65df6
[INFO] running `Command { std: "docker" "start" "-a" "4521772b31a8922f0bfdb23cba173f5062ed7925e6e10160530d37425cd65df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4521772b31a8922f0bfdb23cba173f5062ed7925e6e10160530d37425cd65df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4521772b31a8922f0bfdb23cba173f5062ed7925e6e10160530d37425cd65df6", kill_on_drop: false }`
[INFO] [stdout] 4521772b31a8922f0bfdb23cba173f5062ed7925e6e10160530d37425cd65df6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2966ac65ed8fa7262e7bccb8d590a02c63f685052f57154553391367a56387a3
[INFO] running `Command { std: "docker" "start" "-a" "2966ac65ed8fa7262e7bccb8d590a02c63f685052f57154553391367a56387a3", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]     Checking libc v0.2.6
[INFO] [stderr]     Checking cyan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `::parser::unicode::Lu`
[INFO] [stdout]  --> src/parser/lex.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ::parser::unicode::Lu;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::parser::unicode::Lu`
[INFO] [stdout]  --> src/parser/lex.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ::parser::unicode::Lu;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Token` is never used
[INFO] [stdout]  --> src/parser/lex.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Token<'a> {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lex` is never constructed
[INFO] [stdout]  --> src/parser/lex.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Lex<'a> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `Lu` is never used
[INFO] [stdout]  --> src/parser/unicode/mod.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const Lu: [char; 1631] = [
[INFO] [stdout]   |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `Lu` should have an upper case name
[INFO] [stdout]  --> src/parser/unicode/mod.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const Lu: [char; 1631] = [
[INFO] [stdout]   |           ^^ help: convert the identifier to upper case (notice the capitalization): `LU`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Token` is never used
[INFO] [stdout]  --> src/parser/lex.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Token<'a> {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lex` is never constructed
[INFO] [stdout]  --> src/parser/lex.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Lex<'a> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `Lu` is never used
[INFO] [stdout]  --> src/parser/unicode/mod.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const Lu: [char; 1631] = [
[INFO] [stdout]   |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `Lu` should have an upper case name
[INFO] [stdout]  --> src/parser/unicode/mod.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const Lu: [char; 1631] = [
[INFO] [stdout]   |           ^^ help: convert the identifier to upper case (notice the capitalization): `LU`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "2966ac65ed8fa7262e7bccb8d590a02c63f685052f57154553391367a56387a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2966ac65ed8fa7262e7bccb8d590a02c63f685052f57154553391367a56387a3", kill_on_drop: false }`
[INFO] [stdout] 2966ac65ed8fa7262e7bccb8d590a02c63f685052f57154553391367a56387a3