[INFO] fetching crate asciigraph 0.8.3...
[INFO] checking asciigraph-0.8.3 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate asciigraph 0.8.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate asciigraph 0.8.3 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate asciigraph 0.8.3
[INFO] finished tweaking crates.io crate asciigraph 0.8.3
[INFO] tweaked toml for crates.io crate asciigraph 0.8.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded asciibox v0.1.0
[INFO] [stderr]   Downloaded hmath v0.1.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04c4e25790e02f36448dba9a6321b987553ed80e736a0421e398c43152cb0be2
[INFO] running `Command { std: "docker" "start" "-a" "04c4e25790e02f36448dba9a6321b987553ed80e736a0421e398c43152cb0be2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04c4e25790e02f36448dba9a6321b987553ed80e736a0421e398c43152cb0be2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c4e25790e02f36448dba9a6321b987553ed80e736a0421e398c43152cb0be2", kill_on_drop: false }`
[INFO] [stdout] 04c4e25790e02f36448dba9a6321b987553ed80e736a0421e398c43152cb0be2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43cf16c6a874cf20553a21602019d370b2800b45930fca72f8203504caa1d576
[INFO] running `Command { std: "docker" "start" "-a" "43cf16c6a874cf20553a21602019d370b2800b45930fca72f8203504caa1d576", kill_on_drop: false }`
[INFO] [stderr]     Checking asciibox v0.1.0
[INFO] [stderr]     Checking hmath v0.1.17
[INFO] [stderr]     Checking asciigraph v0.8.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `get_height` and `crop` are never used
[INFO] [stdout]   --> src/lines.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Lines {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn get_height(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn crop(&self, x: usize, y: usize, w: usize, h: usize) -> Lines {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_height`, `crop`, and `is_valid` are never used
[INFO] [stdout]    --> src/lines.rs:30:12
[INFO] [stdout]     |
[INFO] [stdout] 11  | impl Lines {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30  |     pub fn get_height(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43  |     pub fn crop(&self, x: usize, y: usize, w: usize, h: usize) -> Lines {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 410 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "43cf16c6a874cf20553a21602019d370b2800b45930fca72f8203504caa1d576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43cf16c6a874cf20553a21602019d370b2800b45930fca72f8203504caa1d576", kill_on_drop: false }`
[INFO] [stdout] 43cf16c6a874cf20553a21602019d370b2800b45930fca72f8203504caa1d576
