[INFO] fetching crate protein-core 0.1.7...
[INFO] checking protein-core-0.1.7 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate protein-core 0.1.7 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate protein-core 0.1.7 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 protein-core 0.1.7
[INFO] finished tweaking crates.io crate protein-core 0.1.7
[INFO] tweaked toml for crates.io crate protein-core 0.1.7 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] baa18c1b0d582681d180b515ce2b1de9eae739ba7739bcef6e139d4cd1041096
[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" "baa18c1b0d582681d180b515ce2b1de9eae739ba7739bcef6e139d4cd1041096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baa18c1b0d582681d180b515ce2b1de9eae739ba7739bcef6e139d4cd1041096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baa18c1b0d582681d180b515ce2b1de9eae739ba7739bcef6e139d4cd1041096", kill_on_drop: false }`
[INFO] [stdout] baa18c1b0d582681d180b515ce2b1de9eae739ba7739bcef6e139d4cd1041096
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7adc6468edfc62fb1f5144c97f97932c47c3d6da08d7594f3b4fb724c2311f36
[INFO] running `Command { std: "docker" "start" "-a" "7adc6468edfc62fb1f5144c97f97932c47c3d6da08d7594f3b4fb724c2311f36", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking dihedral v0.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]     Checking strum v0.19.5
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking protein-core v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `is_n`
[INFO] [stdout]   --> src/structure/atom.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub(crate) fn is_n(&self) -> bool {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_c`
[INFO] [stdout]   --> src/structure/atom.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub(crate) fn is_c(&self) -> bool {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_ca`
[INFO] [stdout]   --> src/structure/atom.rs:63:19
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub(crate) fn is_ca(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_o`
[INFO] [stdout]   --> src/structure/atom.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub(crate) fn is_o(&self) -> bool {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_n`
[INFO] [stdout]   --> src/structure/atom.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub(crate) fn is_n(&self) -> bool {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_c`
[INFO] [stdout]   --> src/structure/atom.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub(crate) fn is_c(&self) -> bool {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_ca`
[INFO] [stdout]   --> src/structure/atom.rs:63:19
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub(crate) fn is_ca(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_o`
[INFO] [stdout]   --> src/structure/atom.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub(crate) fn is_o(&self) -> bool {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.39s
[INFO] running `Command { std: "docker" "inspect" "7adc6468edfc62fb1f5144c97f97932c47c3d6da08d7594f3b4fb724c2311f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7adc6468edfc62fb1f5144c97f97932c47c3d6da08d7594f3b4fb724c2311f36", kill_on_drop: false }`
[INFO] [stdout] 7adc6468edfc62fb1f5144c97f97932c47c3d6da08d7594f3b4fb724c2311f36