[INFO] fetching crate hmmm 0.2.0... [INFO] checking hmmm-0.2.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] extracting crate hmmm 0.2.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate hmmm 0.2.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 96c8038b4520d1ef606d2b5db33606d9fa21e2d307dd806411af91a10df9170c [INFO] running `Command { std: "docker" "start" "-a" "96c8038b4520d1ef606d2b5db33606d9fa21e2d307dd806411af91a10df9170c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "96c8038b4520d1ef606d2b5db33606d9fa21e2d307dd806411af91a10df9170c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96c8038b4520d1ef606d2b5db33606d9fa21e2d307dd806411af91a10df9170c", kill_on_drop: false }` [INFO] [stdout] 96c8038b4520d1ef606d2b5db33606d9fa21e2d307dd806411af91a10df9170c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7def8c264daf761cffd6be9d5b1f3856d6fdfb3dddb7edffecc4087301c0efc4 [INFO] running `Command { std: "docker" "start" "-a" "7def8c264daf761cffd6be9d5b1f3856d6fdfb3dddb7edffecc4087301c0efc4", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.108 [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] Checking ppv-lite86 v0.2.15 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Compiling serde_json v1.0.72 [INFO] [stderr] Checking matrixmultiply v0.2.4 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [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 counter v0.5.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-complex v0.1.43 [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 25.16s [INFO] running `Command { std: "docker" "inspect" "7def8c264daf761cffd6be9d5b1f3856d6fdfb3dddb7edffecc4087301c0efc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7def8c264daf761cffd6be9d5b1f3856d6fdfb3dddb7edffecc4087301c0efc4", kill_on_drop: false }` [INFO] [stdout] 7def8c264daf761cffd6be9d5b1f3856d6fdfb3dddb7edffecc4087301c0efc4