[INFO] fetching crate symcode-webapp 0.1.0...
[INFO] checking symcode-webapp-0.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate symcode-webapp 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate symcode-webapp 0.1.0
[INFO] finished tweaking crates.io crate symcode-webapp 0.1.0
[INFO] tweaked toml for crates.io crate symcode-webapp 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate symcode-webapp 0.1.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--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 55 packages to latest compatible versions
[INFO] [stderr]       Adding bit-vec v0.6.3 (available: v0.8.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (available: v1.0.3)
[INFO] [stderr]       Adding console_log v0.2.2 (available: v1.0.0)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] [stderr]       Adding visioncortex v0.5.0 (available: v0.8.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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] 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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 375f7407002dfbd6f456caa4f0fdfcda4879a736d248966dc8860fe3c82bf4e8
[INFO] running `Command { std: "docker" "start" "-a" "375f7407002dfbd6f456caa4f0fdfcda4879a736d248966dc8860fe3c82bf4e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "375f7407002dfbd6f456caa4f0fdfcda4879a736d248966dc8860fe3c82bf4e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "375f7407002dfbd6f456caa4f0fdfcda4879a736d248966dc8860fe3c82bf4e8", kill_on_drop: false }`
[INFO] [stdout] 375f7407002dfbd6f456caa4f0fdfcda4879a736d248966dc8860fe3c82bf4e8
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e179de81cf506356ef37453eb6a3dd2c5ffd55748830011d38a0603cddc7fd3
[INFO] running `Command { std: "docker" "start" "-a" "3e179de81cf506356ef37453eb6a3dd2c5ffd55748830011d38a0603cddc7fd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen v0.2.100
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking roots v0.0.6
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking serde_json v1.0.143
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking crczoo v0.1.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.100
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking flo_curves v0.3.1
[INFO] [stderr]     Checking permutator v0.4.3
[INFO] [stderr]     Checking visioncortex v0.5.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.100
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.100
[INFO] [stderr]     Checking symcode v0.1.0
[INFO] [stderr]     Checking js-sys v0.3.77
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking web-sys v0.3.77
[INFO] [stderr]     Checking console_log v0.2.2
[INFO] [stderr]     Checking symcode-webapp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `web_sys::CanvasRenderingContext2d::set_stroke_style`
[INFO] [stdout]   --> src/debugger.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |         ctx.set_stroke_style(JsValue::from_str(
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/app.rs:56:28
[INFO] [stdout]    |
[INFO] [stdout] 56 |             None => panic!("Canvas with id ".to_owned() + canvas_id + " is not found!"),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 56 |             None => panic!("{}", "Canvas with id ".to_owned() + canvas_id + " is not found!"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `web_sys::CanvasRenderingContext2d::set_stroke_style`
[INFO] [stdout]   --> src/debugger.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |         ctx.set_stroke_style(JsValue::from_str(
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/app.rs:56:28
[INFO] [stdout]    |
[INFO] [stdout] 56 |             None => panic!("Canvas with id ".to_owned() + canvas_id + " is not found!"),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 56 |             None => panic!("{}", "Canvas with id ".to_owned() + canvas_id + " is not found!"),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.83s
[INFO] running `Command { std: "docker" "inspect" "3e179de81cf506356ef37453eb6a3dd2c5ffd55748830011d38a0603cddc7fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e179de81cf506356ef37453eb6a3dd2c5ffd55748830011d38a0603cddc7fd3", kill_on_drop: false }`
[INFO] [stdout] 3e179de81cf506356ef37453eb6a3dd2c5ffd55748830011d38a0603cddc7fd3