[INFO] cloning repository https://github.com/Itsnotdone/nsharp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Itsnotdone/nsharp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FItsnotdone%2Fnsharp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FItsnotdone%2Fnsharp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45f897ba2955d51500a85d4ecc557730774623b1
[INFO] checking Itsnotdone/nsharp against try#2b41547e41f63ea0ca9cb25417ddd569b19e6a50 for pr-134273
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FItsnotdone%2Fnsharp" "/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/Itsnotdone/nsharp on toolchain 2b41547e41f63ea0ca9cb25417ddd569b19e6a50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Itsnotdone/nsharp
[INFO] finished tweaking git repo https://github.com/Itsnotdone/nsharp
[INFO] tweaked toml for git repo https://github.com/Itsnotdone/nsharp written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Itsnotdone/nsharp 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" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "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 Itsnotdone/nsharp against try#2b41547e41f63ea0ca9cb25417ddd569b19e6a50 for pr-134273
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FItsnotdone%2Fnsharp" "/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/Itsnotdone/nsharp on toolchain 2b41547e41f63ea0ca9cb25417ddd569b19e6a50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Itsnotdone/nsharp
[INFO] finished tweaking git repo https://github.com/Itsnotdone/nsharp
[INFO] tweaked toml for git repo https://github.com/Itsnotdone/nsharp written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Itsnotdone/nsharp 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" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dc191bee45e550c601e4fe3403e05361de0b795d6b1d31764d0f5f0219d68a3
[INFO] running `Command { std: "docker" "start" "-a" "4dc191bee45e550c601e4fe3403e05361de0b795d6b1d31764d0f5f0219d68a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dc191bee45e550c601e4fe3403e05361de0b795d6b1d31764d0f5f0219d68a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dc191bee45e550c601e4fe3403e05361de0b795d6b1d31764d0f5f0219d68a3", kill_on_drop: false }`
[INFO] [stdout] 4dc191bee45e550c601e4fe3403e05361de0b795d6b1d31764d0f5f0219d68a3
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ae4c823248cbd88ea459ba6b65e923a84077312fd2a7e88d1f47f4818b7b153
[INFO] running `Command { std: "docker" "start" "-a" "4ae4c823248cbd88ea459ba6b65e923a84077312fd2a7e88d1f47f4818b7b153", kill_on_drop: false }`
[INFO] [stderr]     Checking lexer v0.1.0 (/opt/rustwide/workdir/compiler/lexer)
[INFO] [stdout] warning: unused variable: `ch`
[INFO] [stdout]   --> compiler/lexer/src/lexer.rs:73:35
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn check_operators(&mut self, ch: char) -> Option<Token>{
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `len_remaining` is never read
[INFO] [stdout]  --> compiler/lexer/src/cursor.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Cursor<'a> {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 4 |     len_remaining: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `second` is never used
[INFO] [stdout]   --> compiler/lexer/src/cursor.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl<'a> Cursor<'a> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub(crate) fn second(&self) -> char {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking nsharp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "4ae4c823248cbd88ea459ba6b65e923a84077312fd2a7e88d1f47f4818b7b153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ae4c823248cbd88ea459ba6b65e923a84077312fd2a7e88d1f47f4818b7b153", kill_on_drop: false }`
[INFO] [stdout] 4ae4c823248cbd88ea459ba6b65e923a84077312fd2a7e88d1f47f4818b7b153