[INFO] cloning repository https://github.com/Tobraef/timewarp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tobraef/timewarp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTobraef%2Ftimewarp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTobraef%2Ftimewarp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4edca6d8de70c0c895490a2b89793408540950a6
[INFO] checking Tobraef/timewarp against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTobraef%2Ftimewarp" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Tobraef/timewarp
[INFO] finished tweaking git repo https://github.com/Tobraef/timewarp
[INFO] tweaked toml for git repo https://github.com/Tobraef/timewarp written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Tobraef/timewarp on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Tobraef/timewarp 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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "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 Tobraef/timewarp against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTobraef%2Ftimewarp" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Tobraef/timewarp
[INFO] finished tweaking git repo https://github.com/Tobraef/timewarp
[INFO] tweaked toml for git repo https://github.com/Tobraef/timewarp written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Tobraef/timewarp on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Tobraef/timewarp 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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6982b62e435e87ae6d2bff8c699f9c91d99f8cc8b55c40af7ea45ed77a209df5
[INFO] running `Command { std: "docker" "start" "-a" "6982b62e435e87ae6d2bff8c699f9c91d99f8cc8b55c40af7ea45ed77a209df5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6982b62e435e87ae6d2bff8c699f9c91d99f8cc8b55c40af7ea45ed77a209df5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6982b62e435e87ae6d2bff8c699f9c91d99f8cc8b55c40af7ea45ed77a209df5", kill_on_drop: false }`
[INFO] [stdout] 6982b62e435e87ae6d2bff8c699f9c91d99f8cc8b55c40af7ea45ed77a209df5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b8c83b25829ef1a8fbbc950552edc595953558f540e82be2c095c66ab88337c
[INFO] running `Command { std: "docker" "start" "-a" "6b8c83b25829ef1a8fbbc950552edc595953558f540e82be2c095c66ab88337c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking timewarp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/extensions.rs:11:72
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let data = Extensions::get().iter().fold(String::new(), |a, b| (a.to_string() + " ." + b));
[INFO] [stdout]    |                                                                        ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -         let data = Extensions::get().iter().fold(String::new(), |a, b| (a.to_string() + " ." + b));
[INFO] [stdout] 11 +         let data = Extensions::get().iter().fold(String::new(), |a, b| a.to_string() + " ." + b );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/extensions.rs:11:72
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let data = Extensions::get().iter().fold(String::new(), |a, b| (a.to_string() + " ." + b));
[INFO] [stdout]    |                                                                        ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -         let data = Extensions::get().iter().fold(String::new(), |a, b| (a.to_string() + " ." + b));
[INFO] [stdout] 11 +         let data = Extensions::get().iter().fold(String::new(), |a, b| a.to_string() + " ." + b );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/extensions.rs:11:72
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let data = Extensions::get().iter().fold(String::new(), |a, b| (a.to_string() + " ." + b));
[INFO] [stdout]    |                                                                        ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -         let data = Extensions::get().iter().fold(String::new(), |a, b| (a.to_string() + " ." + b));
[INFO] [stdout] 11 +         let data = Extensions::get().iter().fold(String::new(), |a, b| a.to_string() + " ." + b );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/extensions.rs:11:72
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let data = Extensions::get().iter().fold(String::new(), |a, b| (a.to_string() + " ." + b));
[INFO] [stdout]    |                                                                        ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -         let data = Extensions::get().iter().fold(String::new(), |a, b| (a.to_string() + " ." + b));
[INFO] [stdout] 11 +         let data = Extensions::get().iter().fold(String::new(), |a, b| a.to_string() + " ." + b );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     drop(file);
[INFO] [stdout]    |     ^^^^^----^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          argument has type `&mut File`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 60 -     drop(file);
[INFO] [stdout] 60 +     let _ = file;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     drop(file);
[INFO] [stdout]    |     ^^^^^----^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          argument has type `&mut File`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 60 -     drop(file);
[INFO] [stdout] 60 +     let _ = file;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "6b8c83b25829ef1a8fbbc950552edc595953558f540e82be2c095c66ab88337c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b8c83b25829ef1a8fbbc950552edc595953558f540e82be2c095c66ab88337c", kill_on_drop: false }`
[INFO] [stdout] 6b8c83b25829ef1a8fbbc950552edc595953558f540e82be2c095c66ab88337c
