[INFO] fetching crate symcode-webapp 0.1.0... [INFO] checking symcode-webapp-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate symcode-webapp 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate symcode-webapp 0.1.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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: v1.0.0) [INFO] [stderr] Adding console_log v0.2.2 (available: v1.0.0) [INFO] [stderr] Adding flo_curves v0.3.1 (available: v0.7.3) [INFO] [stderr] Adding getrandom v0.1.16 (available: v0.2.15) [INFO] [stderr] Adding itertools v0.8.2 (available: v0.13.0) [INFO] [stderr] Adding num v0.2.1 (available: v0.4.3) [INFO] [stderr] Adding num-bigint v0.2.6 (available: v0.4.6) [INFO] [stderr] Adding num-complex v0.2.4 (available: v0.4.6) [INFO] [stderr] Adding num-derive v0.3.3 (available: v0.4.2) [INFO] [stderr] Adding num-rational v0.2.4 (available: v0.4.2) [INFO] [stderr] Adding rand v0.7.3 (available: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (available: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (available: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (available: v0.3.2) [INFO] [stderr] Adding roots v0.0.6 (available: v0.0.8) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding visioncortex v0.5.0 (available: v0.8.8) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a01ca4f129e194842fb42301cdd152f1789082892acdc06397c8217e62792bbf [INFO] running `Command { std: "docker" "start" "-a" "a01ca4f129e194842fb42301cdd152f1789082892acdc06397c8217e62792bbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a01ca4f129e194842fb42301cdd152f1789082892acdc06397c8217e62792bbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a01ca4f129e194842fb42301cdd152f1789082892acdc06397c8217e62792bbf", kill_on_drop: false }` [INFO] [stdout] a01ca4f129e194842fb42301cdd152f1789082892acdc06397c8217e62792bbf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d29a76884333a487eb7509b716b9ac24abafc55cd5237ae52a76b123098cd90 [INFO] running `Command { std: "docker" "start" "-a" "8d29a76884333a487eb7509b716b9ac24abafc55cd5237ae52a76b123098cd90", kill_on_drop: false }` [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.93 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling wasm-bindgen v0.2.93 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [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 permutator v0.4.3 [INFO] [stderr] Checking crczoo v0.1.3 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking flo_curves v0.3.1 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.93 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking visioncortex v0.5.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.93 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stderr] Checking js-sys v0.3.70 [INFO] [stderr] Checking console_error_panic_hook v0.1.7 [INFO] [stderr] Checking symcode v0.1.0 [INFO] [stderr] Checking web-sys v0.3.70 [INFO] [stderr] Checking console_log v0.2.2 [INFO] [stderr] Checking symcode-webapp v0.1.0 (/opt/rustwide/workdir) [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 [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: 1 warning emitted [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 [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.20s [INFO] running `Command { std: "docker" "inspect" "8d29a76884333a487eb7509b716b9ac24abafc55cd5237ae52a76b123098cd90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d29a76884333a487eb7509b716b9ac24abafc55cd5237ae52a76b123098cd90", kill_on_drop: false }` [INFO] [stdout] 8d29a76884333a487eb7509b716b9ac24abafc55cd5237ae52a76b123098cd90