[INFO] fetching crate hmmm 0.2.0... [INFO] crate hmmm 0.2.0 is already in cache [INFO] crate hmmm 0.2.0 is already in cache [INFO] crate hmmm 0.2.0 is already in cache [INFO] crate hmmm 0.2.0 is already in cache [INFO] crate hmmm 0.2.0 is already in cache [INFO] crate hmmm 0.2.0 is already in cache [INFO] crate hmmm 0.2.0 is already in cache [INFO] crate hmmm 0.2.0 is already in cache [INFO] crate hmmm 0.2.0 is already in cache [INFO] crate hmmm 0.2.0 is already in cache [INFO] crate hmmm 0.2.0 is already in cache [INFO] crate hmmm 0.2.0 is already in cache [INFO] crate hmmm 0.2.0 is already in cache [INFO] crate hmmm 0.2.0 is already in cache [INFO] checking hmmm-0.2.0 against master#7308c22c6a8d77e82187e290e1f7459870e48d12 for pr-99447 [INFO] extracting crate hmmm 0.2.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate hmmm 0.2.0 on toolchain 7308c22c6a8d77e82187e290e1f7459870e48d12 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate hmmm 0.2.0 [INFO] finished tweaking crates.io crate hmmm 0.2.0 [INFO] tweaked toml for crates.io crate hmmm 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded counter v0.5.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 01723cd68b80979b3007714182d292c429d5456d9501f18b53fe8958d413142a [INFO] running `Command { std: "docker" "start" "-a" "01723cd68b80979b3007714182d292c429d5456d9501f18b53fe8958d413142a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01723cd68b80979b3007714182d292c429d5456d9501f18b53fe8958d413142a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01723cd68b80979b3007714182d292c429d5456d9501f18b53fe8958d413142a", kill_on_drop: false }` [INFO] [stdout] 01723cd68b80979b3007714182d292c429d5456d9501f18b53fe8958d413142a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6c858d3e4c2310c59a5392a164473c2d8dcd3ee657028dcab14b757610cb44bb [INFO] running `Command { std: "docker" "start" "-a" "6c858d3e4c2310c59a5392a164473c2d8dcd3ee657028dcab14b757610cb44bb", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.129 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling serde v1.0.143 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Compiling serde_json v1.0.83 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Checking ryu v1.0.11 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking matrixmultiply v0.2.4 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Checking rand v0.4.6 [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-complex v0.1.43 [INFO] [stderr] Checking counter v0.5.6 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking spectral v0.6.0 [INFO] [stderr] Checking hmmm v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:750:17 [INFO] [stdout] | [INFO] [stdout] 750 | format!("Sum of {} must be positive", label) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 750 - format!("Sum of {} must be positive", label) [INFO] [stdout] 750 + "Sum of {} must be positive", label [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/lib.rs:750:17 [INFO] [stdout] | [INFO] [stdout] 750 | format!("Sum of {} must be positive", label) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 750 - format!("Sum of {} must be positive", label) [INFO] [stdout] 750 + "Sum of {} must be positive", label [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [optimized + debuginfo] target(s) in 8.99s [INFO] running `Command { std: "docker" "inspect" "6c858d3e4c2310c59a5392a164473c2d8dcd3ee657028dcab14b757610cb44bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c858d3e4c2310c59a5392a164473c2d8dcd3ee657028dcab14b757610cb44bb", kill_on_drop: false }` [INFO] [stdout] 6c858d3e4c2310c59a5392a164473c2d8dcd3ee657028dcab14b757610cb44bb