[INFO] cloning repository https://github.com/slme9364/trans-am
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slme9364/trans-am" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslme9364%2Ftrans-am", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslme9364%2Ftrans-am'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8907ee0f20f1cbef111d29a20e13496421f3b8bc
[INFO] checking slme9364/trans-am against master#9ba3d315b4b2bea7485071eaf4b2681320cd2a27 for pr-124592
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslme9364%2Ftrans-am" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/slme9364/trans-am on toolchain 9ba3d315b4b2bea7485071eaf4b2681320cd2a27
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ba3d315b4b2bea7485071eaf4b2681320cd2a27" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/slme9364/trans-am
[INFO] finished tweaking git repo https://github.com/slme9364/trans-am
[INFO] tweaked toml for git repo https://github.com/slme9364/trans-am written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/slme9364/trans-am 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" "+9ba3d315b4b2bea7485071eaf4b2681320cd2a27" "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
[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 slme9364/trans-am against try#2466b92ed5feb282a98bb984f45d1e6d39f8c1aa for pr-124592
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslme9364%2Ftrans-am" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/slme9364/trans-am on toolchain 2466b92ed5feb282a98bb984f45d1e6d39f8c1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2466b92ed5feb282a98bb984f45d1e6d39f8c1aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/slme9364/trans-am
[INFO] finished tweaking git repo https://github.com/slme9364/trans-am
[INFO] tweaked toml for git repo https://github.com/slme9364/trans-am written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/slme9364/trans-am 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" "+2466b92ed5feb282a98bb984f45d1e6d39f8c1aa" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ncurses v5.91.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2466b92ed5feb282a98bb984f45d1e6d39f8c1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4acd3fe2dff0b5cee516552eb649a7c60dd9c16638090e8b1200a6b0540f032f
[INFO] running `Command { std: "docker" "start" "-a" "4acd3fe2dff0b5cee516552eb649a7c60dd9c16638090e8b1200a6b0540f032f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4acd3fe2dff0b5cee516552eb649a7c60dd9c16638090e8b1200a6b0540f032f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4acd3fe2dff0b5cee516552eb649a7c60dd9c16638090e8b1200a6b0540f032f", kill_on_drop: false }`
[INFO] [stdout] 4acd3fe2dff0b5cee516552eb649a7c60dd9c16638090e8b1200a6b0540f032f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2466b92ed5feb282a98bb984f45d1e6d39f8c1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f80188850e8d35519a8fc235d1c3f970696d41eae9eb7d78f2a8694c235429f7
[INFO] running `Command { std: "docker" "start" "-a" "f80188850e8d35519a8fc235d1c3f970696d41eae9eb7d78f2a8694c235429f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]    Compiling ncurses v5.91.0
[INFO] [stderr]     Checking trans-am v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cursor::Cursor`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use cursor::Cursor;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cursor::Cursor`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use cursor::Cursor;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/cursor.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Cursor {
[INFO] [stdout]   | ----------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn new(pos_x: i32, pos_y: i32) -> Cursor {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/command.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     file.write_all(sum_text.as_bytes());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let _ = file.write_all(sum_text.as_bytes());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/file.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     file.read_to_string(&mut text_data);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let _ = file.read_to_string(&mut text_data);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/cursor.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Cursor {
[INFO] [stdout]   | ----------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn new(pos_x: i32, pos_y: i32) -> Cursor {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/command.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     file.write_all(sum_text.as_bytes());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let _ = file.write_all(sum_text.as_bytes());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/file.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     file.read_to_string(&mut text_data);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let _ = file.read_to_string(&mut text_data);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "f80188850e8d35519a8fc235d1c3f970696d41eae9eb7d78f2a8694c235429f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80188850e8d35519a8fc235d1c3f970696d41eae9eb7d78f2a8694c235429f7", kill_on_drop: false }`
[INFO] [stdout] f80188850e8d35519a8fc235d1c3f970696d41eae9eb7d78f2a8694c235429f7