[INFO] cloning repository https://github.com/L-Andy/text_editor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/L-Andy/text_editor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FL-Andy%2Ftext_editor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FL-Andy%2Ftext_editor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23c97eec95e7603dede183af50aca29f543445f4
[INFO] checking L-Andy/text_editor against master#74c3f5a146860c94ff4d179fc3bfa34f879adf41 for pr-120248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FL-Andy%2Ftext_editor" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/L-Andy/text_editor on toolchain 74c3f5a146860c94ff4d179fc3bfa34f879adf41
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+74c3f5a146860c94ff4d179fc3bfa34f879adf41" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/L-Andy/text_editor
[INFO] finished tweaking git repo https://github.com/L-Andy/text_editor
[INFO] tweaked toml for git repo https://github.com/L-Andy/text_editor written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/L-Andy/text_editor 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" "+74c3f5a146860c94ff4d179fc3bfa34f879adf41" "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 L-Andy/text_editor against try#13cae6066db2d5e6c9bb508caceec8d34ca49980 for pr-120248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FL-Andy%2Ftext_editor" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/L-Andy/text_editor on toolchain 13cae6066db2d5e6c9bb508caceec8d34ca49980
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/L-Andy/text_editor
[INFO] finished tweaking git repo https://github.com/L-Andy/text_editor
[INFO] tweaked toml for git repo https://github.com/L-Andy/text_editor written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/L-Andy/text_editor 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" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "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
[INFO] checking L-Andy/text_editor against try#13cae6066db2d5e6c9bb508caceec8d34ca49980 for pr-120248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FL-Andy%2Ftext_editor" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/L-Andy/text_editor on toolchain 13cae6066db2d5e6c9bb508caceec8d34ca49980
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/L-Andy/text_editor
[INFO] finished tweaking git repo https://github.com/L-Andy/text_editor
[INFO] tweaked toml for git repo https://github.com/L-Andy/text_editor written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/L-Andy/text_editor 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" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 775283182c43782e1f6bbed80c80ada7a216d849678039e98ab0c6d8c2f53761
[INFO] running `Command { std: "docker" "start" "-a" "775283182c43782e1f6bbed80c80ada7a216d849678039e98ab0c6d8c2f53761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "775283182c43782e1f6bbed80c80ada7a216d849678039e98ab0c6d8c2f53761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "775283182c43782e1f6bbed80c80ada7a216d849678039e98ab0c6d8c2f53761", kill_on_drop: false }`
[INFO] [stdout] 775283182c43782e1f6bbed80c80ada7a216d849678039e98ab0c6d8c2f53761
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ea5e86fbe608c5de6e360972c50d471d050eec376ddf20fa13946f0fa624cb3
[INFO] running `Command { std: "docker" "start" "-a" "5ea5e86fbe608c5de6e360972c50d471d050eec376ddf20fa13946f0fa624cb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking ledit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the size for values of type `(dyn std::error::Error + 'static)` cannot be known at compilation time
[INFO] [stdout]   --> src/terminal.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn default() -> Result<Self, std::error::Error> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `(dyn std::error::Error + 'static)`
[INFO] [stdout] note: required by an implicit `Sized` bound in `Result`
[INFO] [stdout]   --> /rustc/13cae6066db2d5e6c9bb508caceec8d34ca49980/library/core/src/result.rs:502:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: trait objects must include the `dyn` keyword
[INFO] [stdout]   --> src/terminal.rs:11:38
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn default() -> Result<Self, std::error::Error> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: add `dyn` keyword before this trait
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn default() -> Result<Self, dyn std::error::Error> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0782.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `(dyn std::error::Error + 'static)` cannot be known at compilation time
[INFO] [stdout]   --> src/terminal.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn default() -> Result<Self, std::error::Error> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `(dyn std::error::Error + 'static)`
[INFO] [stdout] note: required by an implicit `Sized` bound in `Result`
[INFO] [stdout]   --> /rustc/13cae6066db2d5e6c9bb508caceec8d34ca49980/library/core/src/result.rs:502:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: trait objects must include the `dyn` keyword
[INFO] [stdout]   --> src/terminal.rs:11:38
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn default() -> Result<Self, std::error::Error> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: add `dyn` keyword before this trait
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn default() -> Result<Self, dyn std::error::Error> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0782.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ledit` (bin "ledit" test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ledit` (bin "ledit") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "5ea5e86fbe608c5de6e360972c50d471d050eec376ddf20fa13946f0fa624cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea5e86fbe608c5de6e360972c50d471d050eec376ddf20fa13946f0fa624cb3", kill_on_drop: false }`
[INFO] [stdout] 5ea5e86fbe608c5de6e360972c50d471d050eec376ddf20fa13946f0fa624cb3