[INFO] cloning repository https://github.com/doberan/numeron-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/doberan/numeron-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoberan%2Fnumeron-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoberan%2Fnumeron-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff40bd6589a733aa72f79404fd7629726734c6e1
[INFO] checking doberan/numeron-rs against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoberan%2Fnumeron-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/doberan/numeron-rs
[INFO] finished tweaking git repo https://github.com/doberan/numeron-rs
[INFO] tweaked toml for git repo https://github.com/doberan/numeron-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/doberan/numeron-rs on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/doberan/numeron-rs 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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding cfg-if v1.0.4
[INFO] [stderr]       Adding getrandom v0.1.16
[INFO] [stderr]       Adding ppv-lite86 v0.2.21
[INFO] [stderr]       Adding proc-macro2 v1.0.106
[INFO] [stderr]       Adding quote v1.0.46
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.2)
[INFO] [stderr]       Adding rand_chacha v0.2.2
[INFO] [stderr]       Adding rand_core v0.5.1
[INFO] [stderr]       Adding rand_hc v0.2.0
[INFO] [stderr]       Adding syn v2.0.118
[INFO] [stderr]       Adding unicode-ident v1.0.24
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]       Adding zerocopy v0.8.53
[INFO] [stderr]       Adding zerocopy-derive v0.8.53
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[INFO] [stderr]   Downloaded parking_lot v0.10.2
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.1
[INFO] [stderr]   Downloaded net2 v0.2.34
[INFO] [stderr]   Downloaded smallvec v1.4.0
[INFO] [stderr]   Downloaded parking_lot_core v0.7.2
[INFO] [stderr]   Downloaded crossterm v0.17.5
[INFO] [stderr]   Downloaded tui v0.9.5
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.53
[INFO] [stderr]   Downloaded zerocopy v0.8.53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4890a53e6fdb68e38c7022b6cbfabb088456068a979b607e3a98250ed4ab946b
[INFO] running `Command { std: "docker" "start" "4890a53e6fdb68e38c7022b6cbfabb088456068a979b607e3a98250ed4ab946b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4890a53e6fdb68e38c7022b6cbfabb088456068a979b607e3a98250ed4ab946b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4890a53e6fdb68e38c7022b6cbfabb088456068a979b607e3a98250ed4ab946b" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4890a53e6fdb68e38c7022b6cbfabb088456068a979b607e3a98250ed4ab946b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4890a53e6fdb68e38c7022b6cbfabb088456068a979b607e3a98250ed4ab946b" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.53
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking crossterm v0.17.5
[INFO] [stderr]     Checking tui v0.9.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking numeron-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/game.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         &anser.push(v);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let _ = &anser.push(v);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/game.rs:133:7
[INFO] [stdout]     |
[INFO] [stdout] 133 | /       &self.view(
[INFO] [stdout] 134 | |         &mut stdout,
[INFO] [stdout] 135 | |         v.x,
[INFO] [stdout] 136 | |         v.y,
[INFO] [stdout] 137 | |         v.text.as_str(),
[INFO] [stdout] 138 | |         v.format);
[INFO] [stdout]     | |_________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 133 |       let _ = &self.view(
[INFO] [stdout]     |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/game.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         &anser.push(v);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let _ = &anser.push(v);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/game.rs:133:7
[INFO] [stdout]     |
[INFO] [stdout] 133 | /       &self.view(
[INFO] [stdout] 134 | |         &mut stdout,
[INFO] [stdout] 135 | |         v.x,
[INFO] [stdout] 136 | |         v.y,
[INFO] [stdout] 137 | |         v.text.as_str(),
[INFO] [stdout] 138 | |         v.format);
[INFO] [stdout]     | |_________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 133 |       let _ = &self.view(
[INFO] [stdout]     |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.46s
[INFO] running `Command { std: "docker" "inspect" "4890a53e6fdb68e38c7022b6cbfabb088456068a979b607e3a98250ed4ab946b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4890a53e6fdb68e38c7022b6cbfabb088456068a979b607e3a98250ed4ab946b", kill_on_drop: false }`
[INFO] [stdout] 4890a53e6fdb68e38c7022b6cbfabb088456068a979b607e3a98250ed4ab946b
