[INFO] fetching crate protein-core 0.1.7...
[INFO] checking protein-core-0.1.7 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate protein-core 0.1.7 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate protein-core 0.1.7 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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] 13142e8bef7cfdaf49f8928b2e3ed69815572bc391c7f1e740f9e34e6b76ae86
[INFO] running `Command { std: "docker" "start" "-a" "13142e8bef7cfdaf49f8928b2e3ed69815572bc391c7f1e740f9e34e6b76ae86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13142e8bef7cfdaf49f8928b2e3ed69815572bc391c7f1e740f9e34e6b76ae86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13142e8bef7cfdaf49f8928b2e3ed69815572bc391c7f1e740f9e34e6b76ae86", kill_on_drop: false }`
[INFO] [stdout] 13142e8bef7cfdaf49f8928b2e3ed69815572bc391c7f1e740f9e34e6b76ae86
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c1a8f6e5242f017d03a0fcfa3f032cd8925707a1f97503c38d535681f2c2533
[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" "3c1a8f6e5242f017d03a0fcfa3f032cd8925707a1f97503c38d535681f2c2533", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking itoa v0.4.7
[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 heck v0.3.2
[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 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 45.38s
[INFO] running `Command { std: "docker" "inspect" "3c1a8f6e5242f017d03a0fcfa3f032cd8925707a1f97503c38d535681f2c2533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c1a8f6e5242f017d03a0fcfa3f032cd8925707a1f97503c38d535681f2c2533", kill_on_drop: false }`
[INFO] [stdout] 3c1a8f6e5242f017d03a0fcfa3f032cd8925707a1f97503c38d535681f2c2533