[INFO] cloning repository https://github.com/MajorBarnulf/golrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MajorBarnulf/golrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMajorBarnulf%2Fgolrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMajorBarnulf%2Fgolrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66cabb582e3b8cd7eedb0461cf068e5c416fe898
[INFO] checking MajorBarnulf/golrs against try#8e819ff5434466e9a823e03871a1775ac7d84ddf for pr-156027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMajorBarnulf%2Fgolrs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MajorBarnulf/golrs
[INFO] finished tweaking git repo https://github.com/MajorBarnulf/golrs
[INFO] tweaked toml for git repo https://github.com/MajorBarnulf/golrs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MajorBarnulf/golrs on toolchain 8e819ff5434466e9a823e03871a1775ac7d84ddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e819ff5434466e9a823e03871a1775ac7d84ddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MajorBarnulf/golrs 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" "+8e819ff5434466e9a823e03871a1775ac7d84ddf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking MajorBarnulf/golrs against try#8e819ff5434466e9a823e03871a1775ac7d84ddf for pr-156027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMajorBarnulf%2Fgolrs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MajorBarnulf/golrs
[INFO] finished tweaking git repo https://github.com/MajorBarnulf/golrs
[INFO] tweaked toml for git repo https://github.com/MajorBarnulf/golrs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MajorBarnulf/golrs on toolchain 8e819ff5434466e9a823e03871a1775ac7d84ddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e819ff5434466e9a823e03871a1775ac7d84ddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MajorBarnulf/golrs 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" "+8e819ff5434466e9a823e03871a1775ac7d84ddf" "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 numtoa v0.1.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.16
[INFO] [stderr]   Downloaded termion v1.5.6
[INFO] [stderr]   Downloaded redox_termios v0.1.2
[INFO] [stderr]   Downloaded metrohash v1.0.6
[INFO] [stderr]   Downloaded libc v0.2.132
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8e819ff5434466e9a823e03871a1775ac7d84ddf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 374a463660efaffd1dde3abf995c2e7f2fa4d4893dcd3ffce721a31ac646f819
[INFO] running `Command { std: "docker" "start" "-a" "374a463660efaffd1dde3abf995c2e7f2fa4d4893dcd3ffce721a31ac646f819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "374a463660efaffd1dde3abf995c2e7f2fa4d4893dcd3ffce721a31ac646f819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "374a463660efaffd1dde3abf995c2e7f2fa4d4893dcd3ffce721a31ac646f819", kill_on_drop: false }`
[INFO] [stdout] 374a463660efaffd1dde3abf995c2e7f2fa4d4893dcd3ffce721a31ac646f819
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8e819ff5434466e9a823e03871a1775ac7d84ddf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af009ff2b26643c645e9b7318f8eac6f7310d30e21fdb9d6780bea0bba8d7e18
[INFO] running `Command { std: "docker" "start" "-a" "af009ff2b26643c645e9b7318f8eac6f7310d30e21fdb9d6780bea0bba8d7e18", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking metrohash v1.0.6
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking golrs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/view/canvas.rs:36:46
[INFO] [stdout]    |
[INFO] [stdout] 36 | ...                   .map(|(pos, ch)| (pos..pos + ch.len_utf8()))
[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] 36 -                             .map(|(pos, ch)| (pos..pos + ch.len_utf8()))
[INFO] [stdout] 36 +                             .map(|(pos, ch)| pos..pos + ch.len_utf8() )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/view/canvas.rs:36:46
[INFO] [stdout]    |
[INFO] [stdout] 36 | ...                   .map(|(pos, ch)| (pos..pos + ch.len_utf8()))
[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] 36 -                             .map(|(pos, ch)| (pos..pos + ch.len_utf8()))
[INFO] [stdout] 36 +                             .map(|(pos, ch)| pos..pos + ch.len_utf8() )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receiver`
[INFO] [stdout]    --> src/view.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn view_loop<W>(receiver: mpsc::Receiver<ViewCmd<W>>, handle: SimHandle<W>)
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receiver`
[INFO] [stdout]    --> src/view.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn view_loop<W>(receiver: mpsc::Receiver<ViewCmd<W>>, handle: SimHandle<W>)
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sender` is never read
[INFO] [stdout]   --> src/view.rs:21:2
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct View<W>
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     sender: mpsc::Sender<ViewCmd<W>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ViewRemote` is never constructed
[INFO] [stdout]   --> src/view.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct ViewRemote<W>
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Refresh` and `UpdateWorld` are never constructed
[INFO] [stdout]   --> src/view.rs:52:2
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub enum ViewCmd<W>
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 52 |     Refresh,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 53 |     UpdateWorld(W),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `refresh`, and `set_world` are never used
[INFO] [stdout]   --> src/view.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | / impl<W> ViewRemote<W>
[INFO] [stdout] 57 | | where
[INFO] [stdout] 58 | |     W: World,
[INFO] [stdout]    | |_____________- associated items in this implementation
[INFO] [stdout] 59 |   {
[INFO] [stdout] 60 |       fn new(sender: mpsc::Sender<ViewCmd<W>>) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |       pub fn refresh(&self) {
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |       pub fn set_world(&self, world: W) {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sender` is never read
[INFO] [stdout]   --> src/view.rs:21:2
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct View<W>
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     sender: mpsc::Sender<ViewCmd<W>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ViewRemote` is never constructed
[INFO] [stdout]   --> src/view.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct ViewRemote<W>
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Refresh` and `UpdateWorld` are never constructed
[INFO] [stdout]   --> src/view.rs:52:2
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub enum ViewCmd<W>
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 52 |     Refresh,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 53 |     UpdateWorld(W),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `refresh`, and `set_world` are never used
[INFO] [stdout]   --> src/view.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | / impl<W> ViewRemote<W>
[INFO] [stdout] 57 | | where
[INFO] [stdout] 58 | |     W: World,
[INFO] [stdout]    | |_____________- associated items in this implementation
[INFO] [stdout] 59 |   {
[INFO] [stdout] 60 |       fn new(sender: mpsc::Sender<ViewCmd<W>>) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |       pub fn refresh(&self) {
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |       pub fn set_world(&self, world: W) {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "af009ff2b26643c645e9b7318f8eac6f7310d30e21fdb9d6780bea0bba8d7e18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af009ff2b26643c645e9b7318f8eac6f7310d30e21fdb9d6780bea0bba8d7e18", kill_on_drop: false }`
[INFO] [stdout] af009ff2b26643c645e9b7318f8eac6f7310d30e21fdb9d6780bea0bba8d7e18
