[INFO] cloning repository https://github.com/rfaulhaber/sc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rfaulhaber/sc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfaulhaber%2Fsc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfaulhaber%2Fsc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1c9b057c9e56d0e66b742ae205e75bf9f3af8c9
[INFO] checking rfaulhaber/sc against try#a3dffdb3a32d0dedc198f9de7d43173f3eb6727b for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfaulhaber%2Fsc" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rfaulhaber/sc on toolchain a3dffdb3a32d0dedc198f9de7d43173f3eb6727b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rfaulhaber/sc
[INFO] finished tweaking git repo https://github.com/rfaulhaber/sc
[INFO] tweaked toml for git repo https://github.com/rfaulhaber/sc written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rfaulhaber/sc 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" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "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 rfaulhaber/sc against try#a3dffdb3a32d0dedc198f9de7d43173f3eb6727b for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfaulhaber%2Fsc" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rfaulhaber/sc on toolchain a3dffdb3a32d0dedc198f9de7d43173f3eb6727b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rfaulhaber/sc
[INFO] finished tweaking git repo https://github.com/rfaulhaber/sc
[INFO] tweaked toml for git repo https://github.com/rfaulhaber/sc written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rfaulhaber/sc 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" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "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 rustyline v6.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad2176b54f7ecb30fb17867bb6bf73f1fd3bc3b9b55a35676b669b8d3610bbaf
[INFO] running `Command { std: "docker" "start" "-a" "ad2176b54f7ecb30fb17867bb6bf73f1fd3bc3b9b55a35676b669b8d3610bbaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad2176b54f7ecb30fb17867bb6bf73f1fd3bc3b9b55a35676b669b8d3610bbaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad2176b54f7ecb30fb17867bb6bf73f1fd3bc3b9b55a35676b669b8d3610bbaf", kill_on_drop: false }`
[INFO] [stdout] ad2176b54f7ecb30fb17867bb6bf73f1fd3bc3b9b55a35676b669b8d3610bbaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b377263a6830c2dc06254116845d52cde5fed44f4975d999a3fd3515ac5da9f6
[INFO] running `Command { std: "docker" "start" "-a" "b377263a6830c2dc06254116845d52cde5fed44f4975d999a3fd3515ac5da9f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rustyline v6.0.0
[INFO] [stderr]     Checking sc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/expr.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 Some(Term::UnOp(op)) => unimplemented!(),
[INFO] [stdout]    |                                 ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mode` is never read
[INFO] [stdout]  --> src/config.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Config {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 2 |     pub mode: Mode,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Scientific` and `Programmer` are never constructed
[INFO] [stdout]   --> src/config.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Mode {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 12 |     Basic,
[INFO] [stdout] 13 |     Scientific,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 14 |     Programmer,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_number` is never used
[INFO] [stdout]    --> src/expr.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn is_number(s: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/expr.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 Some(Term::UnOp(op)) => unimplemented!(),
[INFO] [stdout]    |                                 ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mode` is never read
[INFO] [stdout]  --> src/config.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Config {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 2 |     pub mode: Mode,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Scientific` and `Programmer` are never constructed
[INFO] [stdout]   --> src/config.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Mode {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 12 |     Basic,
[INFO] [stdout] 13 |     Scientific,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 14 |     Programmer,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_number` is never used
[INFO] [stdout]    --> src/expr.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn is_number(s: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "b377263a6830c2dc06254116845d52cde5fed44f4975d999a3fd3515ac5da9f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b377263a6830c2dc06254116845d52cde5fed44f4975d999a3fd3515ac5da9f6", kill_on_drop: false }`
[INFO] [stdout] b377263a6830c2dc06254116845d52cde5fed44f4975d999a3fd3515ac5da9f6
