[INFO] cloning repository https://github.com/samchristywork/physics-graph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samchristywork/physics-graph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamchristywork%2Fphysics-graph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamchristywork%2Fphysics-graph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f746c4b2802f703eeb7dc0a4cda1def24189fee
[INFO] checking samchristywork/physics-graph against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamchristywork%2Fphysics-graph" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samchristywork/physics-graph on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samchristywork/physics-graph
[INFO] finished tweaking git repo https://github.com/samchristywork/physics-graph
[INFO] tweaked toml for git repo https://github.com/samchristywork/physics-graph written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/samchristywork/physics-graph 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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking samchristywork/physics-graph against try#aa7c6ba69acce8b10a275eabfe6157ea72c8b599 for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamchristywork%2Fphysics-graph" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samchristywork/physics-graph on toolchain aa7c6ba69acce8b10a275eabfe6157ea72c8b599
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samchristywork/physics-graph
[INFO] finished tweaking git repo https://github.com/samchristywork/physics-graph
[INFO] tweaked toml for git repo https://github.com/samchristywork/physics-graph written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/samchristywork/physics-graph 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" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "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 samchristywork/physics-graph against try#aa7c6ba69acce8b10a275eabfe6157ea72c8b599 for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamchristywork%2Fphysics-graph" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samchristywork/physics-graph on toolchain aa7c6ba69acce8b10a275eabfe6157ea72c8b599
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samchristywork/physics-graph
[INFO] finished tweaking git repo https://github.com/samchristywork/physics-graph
[INFO] tweaked toml for git repo https://github.com/samchristywork/physics-graph written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/samchristywork/physics-graph 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" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "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 serde_json v1.0.90
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8039dbcf9388bb95a8afad596a744d61edf498854bb8f435eac6b62c0037ffbd
[INFO] running `Command { std: "docker" "start" "-a" "8039dbcf9388bb95a8afad596a744d61edf498854bb8f435eac6b62c0037ffbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8039dbcf9388bb95a8afad596a744d61edf498854bb8f435eac6b62c0037ffbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8039dbcf9388bb95a8afad596a744d61edf498854bb8f435eac6b62c0037ffbd", kill_on_drop: false }`
[INFO] [stdout] 8039dbcf9388bb95a8afad596a744d61edf498854bb8f435eac6b62c0037ffbd
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d349abd706bfa59ad2d12c5e4661f4f05b2cf0efc5894fe429e633bec72b4d30
[INFO] running `Command { std: "docker" "start" "-a" "d349abd706bfa59ad2d12c5e4661f4f05b2cf0efc5894fe429e633bec72b4d30", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling serde v1.0.151
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]    Compiling serde_json v1.0.90
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.7
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking owned_ttf_parser v0.15.2
[INFO] [stderr]     Checking rusttype v0.9.3
[INFO] [stderr]     Checking physics-graph v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/graph.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |         for mut node in &mut self.nodes {
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/graph.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |         for mut node in &mut self.nodes {
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]   --> src/graph.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 | /             json.get("visible").map_or({}, |x| match x.as_bool() {
[INFO] [stdout] 78 | |                 Some(x) => visible = x,
[INFO] [stdout] 79 | |                 None => {}
[INFO] [stdout] 80 | |             });
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |             let _ = json.get("visible").map_or({}, |x| match x.as_bool() {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]   --> src/graph.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 | /             json.get("visible").map_or({}, |x| match x.as_bool() {
[INFO] [stdout] 78 | |                 Some(x) => visible = x,
[INFO] [stdout] 79 | |                 None => {}
[INFO] [stdout] 80 | |             });
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |             let _ = json.get("visible").map_or({}, |x| match x.as_bool() {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]   --> src/graph.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 | /             json.get("length").map_or({}, |x| match x.as_f64() {
[INFO] [stdout] 83 | |                 Some(x) => length = x,
[INFO] [stdout] 84 | |                 None => {}
[INFO] [stdout] 85 | |             });
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 82 |             let _ = json.get("length").map_or({}, |x| match x.as_f64() {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]   --> src/graph.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 | /             json.get("length").map_or({}, |x| match x.as_f64() {
[INFO] [stdout] 83 | |                 Some(x) => length = x,
[INFO] [stdout] 84 | |                 None => {}
[INFO] [stdout] 85 | |             });
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 82 |             let _ = json.get("length").map_or({}, |x| match x.as_f64() {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.90s
[INFO] running `Command { std: "docker" "inspect" "d349abd706bfa59ad2d12c5e4661f4f05b2cf0efc5894fe429e633bec72b4d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d349abd706bfa59ad2d12c5e4661f4f05b2cf0efc5894fe429e633bec72b4d30", kill_on_drop: false }`
[INFO] [stdout] d349abd706bfa59ad2d12c5e4661f4f05b2cf0efc5894fe429e633bec72b4d30