[INFO] cloning repository https://github.com/Laurcons/rust-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Laurcons/rust-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaurcons%2Frust-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaurcons%2Frust-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 534a8c110c9fcfddd6e9f3d8ce8cf07840e5fd81
[INFO] checking Laurcons/rust-calculator against try#51de2e90f91fdec6cf64ff542a4e15b9c177a797 for pr-147294
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaurcons%2Frust-calculator" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Laurcons/rust-calculator
[INFO] finished tweaking git repo https://github.com/Laurcons/rust-calculator
[INFO] tweaked toml for git repo https://github.com/Laurcons/rust-calculator written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Laurcons/rust-calculator on toolchain 51de2e90f91fdec6cf64ff542a4e15b9c177a797
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Laurcons/rust-calculator 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" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "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 Laurcons/rust-calculator against try#51de2e90f91fdec6cf64ff542a4e15b9c177a797 for pr-147294
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaurcons%2Frust-calculator" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Laurcons/rust-calculator
[INFO] finished tweaking git repo https://github.com/Laurcons/rust-calculator
[INFO] tweaked toml for git repo https://github.com/Laurcons/rust-calculator written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Laurcons/rust-calculator on toolchain 51de2e90f91fdec6cf64ff542a4e15b9c177a797
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Laurcons/rust-calculator 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" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded termion v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec02ad436bf5e40e9f09d04ec0a091be287fd17d94988fc2e535c90aeb57de55
[INFO] running `Command { std: "docker" "start" "-a" "ec02ad436bf5e40e9f09d04ec0a091be287fd17d94988fc2e535c90aeb57de55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec02ad436bf5e40e9f09d04ec0a091be287fd17d94988fc2e535c90aeb57de55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec02ad436bf5e40e9f09d04ec0a091be287fd17d94988fc2e535c90aeb57de55", kill_on_drop: false }`
[INFO] [stdout] ec02ad436bf5e40e9f09d04ec0a091be287fd17d94988fc2e535c90aeb57de55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d296a0324313d566eb1ac2c2179653d0957435de899c1ba635952bdce53afd0f
[INFO] running `Command { std: "docker" "start" "-a" "d296a0324313d566eb1ac2c2179653d0957435de899c1ba635952bdce53afd0f", kill_on_drop: false }`
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v3.0.0
[INFO] [stderr]     Checking rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/view/mod.rs:19:45
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(ctrl: &'a mut Controller) -> View {
[INFO] [stdout]    |                       --                    ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(ctrl: &'a mut Controller) -> View<'a> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/view/mod.rs:19:45
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(ctrl: &'a mut Controller) -> View {
[INFO] [stdout]    |                       --                    ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(ctrl: &'a mut Controller) -> View<'a> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "d296a0324313d566eb1ac2c2179653d0957435de899c1ba635952bdce53afd0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d296a0324313d566eb1ac2c2179653d0957435de899c1ba635952bdce53afd0f", kill_on_drop: false }`
[INFO] [stdout] d296a0324313d566eb1ac2c2179653d0957435de899c1ba635952bdce53afd0f