[INFO] fetching crate fuzzcheck 0.6.0... [INFO] checking fuzzcheck-0.6.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] extracting crate fuzzcheck 0.6.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate fuzzcheck 0.6.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fuzzcheck 0.6.0 [INFO] finished tweaking crates.io crate fuzzcheck 0.6.0 [INFO] tweaked toml for crates.io crate fuzzcheck 0.6.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 87ffb44736b4a629e2c0dd69c13346a816a7ec728fa92c7a98135aeb58f73379 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "87ffb44736b4a629e2c0dd69c13346a816a7ec728fa92c7a98135aeb58f73379", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "87ffb44736b4a629e2c0dd69c13346a816a7ec728fa92c7a98135aeb58f73379", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87ffb44736b4a629e2c0dd69c13346a816a7ec728fa92c7a98135aeb58f73379", kill_on_drop: false }` [INFO] [stdout] 87ffb44736b4a629e2c0dd69c13346a816a7ec728fa92c7a98135aeb58f73379 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8dd694976e654e1833822cbca4157e210bdd497a832507b3af3fd9f5cf30da1c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8dd694976e654e1833822cbca4157e210bdd497a832507b3af3fd9f5cf30da1c", kill_on_drop: false }` [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling fuzzcheck v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking fuzzcheck_traits v0.6.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking fuzzcheck_common v0.6.0 [INFO] [stdout] warning: constant is never used: `EWOULDBLOCK` [INFO] [stdout] --> src/nix_subset/errno.rs:816:5 [INFO] [stdout] | [INFO] [stdout] 816 | pub const EWOULDBLOCK: Errno = Errno::EAGAIN; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `EDEADLOCK` [INFO] [stdout] --> src/nix_subset/errno.rs:817:5 [INFO] [stdout] | [INFO] [stdout] 817 | pub const EDEADLOCK: Errno = Errno::EDEADLK; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `ENOTSUP` [INFO] [stdout] --> src/nix_subset/errno.rs:818:5 [INFO] [stdout] | [INFO] [stdout] 818 | pub const ENOTSUP: Errno = Errno::EOPNOTSUPP; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `type_of_thread_id` [INFO] [stdout] --> src/nix_subset/signal.rs:423:1 [INFO] [stdout] | [INFO] [stdout] 423 | pub type type_of_thread_id = libc::pid_t; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `EWOULDBLOCK` [INFO] [stdout] --> src/nix_subset/errno.rs:816:5 [INFO] [stdout] | [INFO] [stdout] 816 | pub const EWOULDBLOCK: Errno = Errno::EAGAIN; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `EDEADLOCK` [INFO] [stdout] --> src/nix_subset/errno.rs:817:5 [INFO] [stdout] | [INFO] [stdout] 817 | pub const EDEADLOCK: Errno = Errno::EDEADLK; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `ENOTSUP` [INFO] [stdout] --> src/nix_subset/errno.rs:818:5 [INFO] [stdout] | [INFO] [stdout] 818 | pub const ENOTSUP: Errno = Errno::EOPNOTSUPP; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `type_of_thread_id` [INFO] [stdout] --> src/nix_subset/signal.rs:423:1 [INFO] [stdout] | [INFO] [stdout] 423 | pub type type_of_thread_id = libc::pid_t; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/pool.rs:919:17 [INFO] [stdout] | [INFO] [stdout] 919 | format!("{:.2} != {:.2}", input.score, expected_input_score) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [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: 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] 919 | "{:.2} != {:.2}", input.score, expected_input_score [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/pool.rs:1158:21 [INFO] [stdout] | [INFO] [stdout] 1158 | format!("{:.3} > {:.3}", prev_score, pool.score()) [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: 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] 1158 | "{:.3} > {:.3}", prev_score, pool.score() [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/pool.rs:1167:21 [INFO] [stdout] | [INFO] [stdout] 1167 | format!("{:.3} < {:.3}", prev_score, pool.score()) [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: 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] 1167 | "{:.3} < {:.3}", prev_score, pool.score() [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.42s [INFO] running `Command { std: "docker" "inspect" "8dd694976e654e1833822cbca4157e210bdd497a832507b3af3fd9f5cf30da1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8dd694976e654e1833822cbca4157e210bdd497a832507b3af3fd9f5cf30da1c", kill_on_drop: false }` [INFO] [stdout] 8dd694976e654e1833822cbca4157e210bdd497a832507b3af3fd9f5cf30da1c