[INFO] fetching crate narc 0.1.1... [INFO] checking narc-0.1.1 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744 [INFO] extracting crate narc 0.1.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate narc 0.1.1 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate narc 0.1.1 [INFO] finished tweaking crates.io crate narc 0.1.1 [INFO] tweaked toml for crates.io crate narc 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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] c4ff99d5f32f246f69a1490ac0d7d0de94dd0dd1fba559190004edd18aea3dc1 [INFO] running `Command { std: "docker" "start" "-a" "c4ff99d5f32f246f69a1490ac0d7d0de94dd0dd1fba559190004edd18aea3dc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c4ff99d5f32f246f69a1490ac0d7d0de94dd0dd1fba559190004edd18aea3dc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4ff99d5f32f246f69a1490ac0d7d0de94dd0dd1fba559190004edd18aea3dc1", kill_on_drop: false }` [INFO] [stdout] c4ff99d5f32f246f69a1490ac0d7d0de94dd0dd1fba559190004edd18aea3dc1 [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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4bc4ac8b2ef17eab532a25c7572e8f0f0e8705bacd4d8c448e62e4c74319ffa5 [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" "4bc4ac8b2ef17eab532a25c7572e8f0f0e8705bacd4d8c448e62e4c74319ffa5", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.3 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking backtrace v0.3.56 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rayon-core v1.9.0 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking nitro_fs v0.1.1 [INFO] [stderr] Checking narc v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `bail` [INFO] [stdout] --> src/extract.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use failure::{bail, ensure, Error}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bail` [INFO] [stdout] --> src/extract.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use failure::{bail, ensure, Error}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fat` [INFO] [stdout] --> src/extract.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let fat = &self.data[fat_offset..fat_offset + file_count * 8]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_fat` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `read_u32` [INFO] [stdout] --> src/extract.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 81 | fn read_u32(&self, offset: usize) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fat` [INFO] [stdout] --> src/extract.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let fat = &self.data[fat_offset..fat_offset + file_count * 8]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_fat` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `read_u32` [INFO] [stdout] --> src/extract.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 81 | fn read_u32(&self, offset: usize) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 25.58s [INFO] running `Command { std: "docker" "inspect" "4bc4ac8b2ef17eab532a25c7572e8f0f0e8705bacd4d8c448e62e4c74319ffa5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bc4ac8b2ef17eab532a25c7572e8f0f0e8705bacd4d8c448e62e4c74319ffa5", kill_on_drop: false }` [INFO] [stdout] 4bc4ac8b2ef17eab532a25c7572e8f0f0e8705bacd4d8c448e62e4c74319ffa5