[INFO] fetching crate common_sequence_diagram_io 0.2.0...
[INFO] checking common_sequence_diagram_io-0.2.0 against try#fcfb0ffc7ed7fc631df1136063939ef648434735 for pr-152543
[INFO] extracting crate common_sequence_diagram_io 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate common_sequence_diagram_io 0.2.0
[INFO] finished tweaking crates.io crate common_sequence_diagram_io 0.2.0
[INFO] tweaked toml for crates.io crate common_sequence_diagram_io 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate common_sequence_diagram_io 0.2.0 on toolchain fcfb0ffc7ed7fc631df1136063939ef648434735
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fcfb0ffc7ed7fc631df1136063939ef648434735" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fcfb0ffc7ed7fc631df1136063939ef648434735" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 140 packages to latest compatible versions
[INFO] [stderr]       Adding imageproc v0.25.0 (available: v0.26.0)
[INFO] [stderr]       Adding nom v7.1.3 (available: v8.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fcfb0ffc7ed7fc631df1136063939ef648434735" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fcfb0ffc7ed7fc631df1136063939ef648434735" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db046ab81dd1e4ec2dc77317468f1e2f3bd69a6600494850e8366a35cee9b4f5
[INFO] running `Command { std: "docker" "start" "-a" "db046ab81dd1e4ec2dc77317468f1e2f3bd69a6600494850e8366a35cee9b4f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db046ab81dd1e4ec2dc77317468f1e2f3bd69a6600494850e8366a35cee9b4f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db046ab81dd1e4ec2dc77317468f1e2f3bd69a6600494850e8366a35cee9b4f5", kill_on_drop: false }`
[INFO] [stdout] db046ab81dd1e4ec2dc77317468f1e2f3bd69a6600494850e8366a35cee9b4f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fcfb0ffc7ed7fc631df1136063939ef648434735" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6782bf8ee29bc878347fe8bac5b4f578aefbdfea409d46fe26792c19892d7ab9
[INFO] running `Command { std: "docker" "start" "-a" "6782bf8ee29bc878347fe8bac5b4f578aefbdfea409d46fe26792c19892d7ab9", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking exr v1.74.0
[INFO] [stderr]     Checking image v0.25.9
[INFO] [stderr]     Checking imageproc v0.25.0
[INFO] [stderr]     Checking image_colored_text v0.1.3
[INFO] [stderr]     Checking common_sequence_diagram_io v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.71s
[INFO] [stdout] warning: constant `MY_COLOR_WHITE` is never used
[INFO] [stdout]   --> src/tests/lang_minimal/to_image/drawing_context.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub const MY_COLOR_WHITE : [u8;3] = [255u8,  255u8,  255u8];
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MY_COLOR_BLACK` is never used
[INFO] [stdout]   --> src/tests/lang_minimal/to_image/drawing_context.rs:42:11
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub const MY_COLOR_BLACK : [u8;3] = [0u8, 0u8, 0u8];
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MY_COLOR_LIFELINE` is never used
[INFO] [stdout]   --> src/tests/lang_minimal/to_image/drawing_context.rs:43:11
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub const MY_COLOR_LIFELINE : [u8;3] = [22u8, 22u8, 130u8];
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MY_COLOR_MESSAGE` is never used
[INFO] [stdout]   --> src/tests/lang_minimal/to_image/drawing_context.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub const MY_COLOR_MESSAGE : [u8;3] = [15u8, 86u8, 15u8];
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MinimalDrawingContext` is never constructed
[INFO] [stdout]   --> src/tests/lang_minimal/to_image/drawing_context.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct MinimalDrawingContext {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tests/lang_minimal/to_image/drawing_context.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl MinimalDrawingContext {
[INFO] [stdout]    | -------------------------- associated function in this implementation
[INFO] [stdout] 57 |
[INFO] [stdout] 58 |     pub fn new(general_context : GeneralContext) -> MinimalDrawingContext {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6782bf8ee29bc878347fe8bac5b4f578aefbdfea409d46fe26792c19892d7ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6782bf8ee29bc878347fe8bac5b4f578aefbdfea409d46fe26792c19892d7ab9", kill_on_drop: false }`
[INFO] [stdout] 6782bf8ee29bc878347fe8bac5b4f578aefbdfea409d46fe26792c19892d7ab9