[INFO] cloning repository https://github.com/Karl-Han/CCinRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Karl-Han/CCinRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarl-Han%2FCCinRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarl-Han%2FCCinRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef41b03e72512c1c788c086ff4f0ad64de68e12a
[INFO] checking Karl-Han/CCinRust against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarl-Han%2FCCinRust" "/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/Karl-Han/CCinRust on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Karl-Han/CCinRust
[INFO] finished tweaking git repo https://github.com/Karl-Han/CCinRust
[INFO] tweaked toml for git repo https://github.com/Karl-Han/CCinRust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Karl-Han/CCinRust 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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 Karl-Han/CCinRust against try#80d5fe37e16a0befb4128414cb6a11d544788c0a for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarl-Han%2FCCinRust" "/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/Karl-Han/CCinRust on toolchain 80d5fe37e16a0befb4128414cb6a11d544788c0a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Karl-Han/CCinRust
[INFO] finished tweaking git repo https://github.com/Karl-Han/CCinRust
[INFO] tweaked toml for git repo https://github.com/Karl-Han/CCinRust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Karl-Han/CCinRust 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" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "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] 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" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80626d0894d1d8028ef1d2d902f75509f74b7c62404564ddd3c836bfea8a709a
[INFO] running `Command { std: "docker" "start" "-a" "80626d0894d1d8028ef1d2d902f75509f74b7c62404564ddd3c836bfea8a709a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80626d0894d1d8028ef1d2d902f75509f74b7c62404564ddd3c836bfea8a709a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80626d0894d1d8028ef1d2d902f75509f74b7c62404564ddd3c836bfea8a709a", kill_on_drop: false }`
[INFO] [stdout] 80626d0894d1d8028ef1d2d902f75509f74b7c62404564ddd3c836bfea8a709a
[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" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 566df9693aa6b0ec685b5f73748ce433429384944a546adb09df5ef6bc2129f4
[INFO] running `Command { std: "docker" "start" "-a" "566df9693aa6b0ec685b5f73748ce433429384944a546adb09df5ef6bc2129f4", kill_on_drop: false }`
[INFO] [stderr]     Checking Compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `symbolError`
[INFO] [stdout]    --> src/lib.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbolError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keywordError`
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keywordError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symbolError`
[INFO] [stdout]    --> src/lib.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbolError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keywordError`
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keywordError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Compiler` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `compiler`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `symbolError` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `symbol_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `keywordError` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `keyword_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Compiler` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `compiler`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `symbolError` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `symbol_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `keywordError` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `keyword_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symbolError`
[INFO] [stdout]    --> src/lib.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbolError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keywordError`
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keywordError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symbolError`
[INFO] [stdout]    --> src/lib.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbolError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keywordError`
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keywordError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Compiler` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `compiler`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `symbolError` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `symbol_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `keywordError` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `keyword_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Compiler` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `compiler`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `symbolError` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `symbol_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `keywordError` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `keyword_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "566df9693aa6b0ec685b5f73748ce433429384944a546adb09df5ef6bc2129f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "566df9693aa6b0ec685b5f73748ce433429384944a546adb09df5ef6bc2129f4", kill_on_drop: false }`
[INFO] [stdout] 566df9693aa6b0ec685b5f73748ce433429384944a546adb09df5ef6bc2129f4