[INFO] fetching crate billig 0.0.1...
[INFO] checking billig-0.0.1 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate billig 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate billig 0.0.1 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate billig 0.0.1
[INFO] finished tweaking crates.io crate billig 0.0.1
[INFO] tweaked toml for crates.io crate billig 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate billig 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f666e3c35d678bd3f45f1aa89a6e1f0a99ff51347202ef705b5ebc654ba92ed6
[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" "f666e3c35d678bd3f45f1aa89a6e1f0a99ff51347202ef705b5ebc654ba92ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f666e3c35d678bd3f45f1aa89a6e1f0a99ff51347202ef705b5ebc654ba92ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f666e3c35d678bd3f45f1aa89a6e1f0a99ff51347202ef705b5ebc654ba92ed6", kill_on_drop: false }`
[INFO] [stdout] f666e3c35d678bd3f45f1aa89a6e1f0a99ff51347202ef705b5ebc654ba92ed6
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] f3575f08cbeaac6cc50184d9f9b3a7cd776e6863991443f40c302574431e0dde
[INFO] running `Command { std: "docker" "start" "-a" "f3575f08cbeaac6cc50184d9f9b3a7cd776e6863991443f40c302574431e0dde", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking billig v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/lib/parse.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     template::{self, models::*, Arg, Instance},
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/lib/parse.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     template::{self, models::*, Arg, Instance},
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/lib/date.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn next(self) -> Self {
[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: `prev`
[INFO] [stdout]   --> src/lib/date.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn prev(self) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]    --> src/lib/date.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn next(self) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `prev`
[INFO] [stdout]    --> src/lib/date.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn prev(self) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]    --> src/lib/date.rs:210:12
[INFO] [stdout]     |
[INFO] [stdout] 210 |     pub fn next(self) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `prev`
[INFO] [stdout]    --> src/lib/date.rs:222:12
[INFO] [stdout]     |
[INFO] [stdout] 222 |     pub fn prev(self) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `jump_day`
[INFO] [stdout]    --> src/lib/date.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn jump_day(self, count: isize) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `jump_month`
[INFO] [stdout]    --> src/lib/date.rs:283:12
[INFO] [stdout]     |
[INFO] [stdout] 283 |     pub fn jump_month(self, count: isize) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `jump_year`
[INFO] [stdout]    --> src/lib/date.rs:308:12
[INFO] [stdout]     |
[INFO] [stdout] 308 |     pub fn jump_year(self, count: isize) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start_of_month`
[INFO] [stdout]    --> src/lib/date.rs:318:12
[INFO] [stdout]     |
[INFO] [stdout] 318 |     pub fn start_of_month(self) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `end_of_month`
[INFO] [stdout]    --> src/lib/date.rs:323:12
[INFO] [stdout]     |
[INFO] [stdout] 323 |     pub fn end_of_month(self) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start_of_year`
[INFO] [stdout]    --> src/lib/date.rs:328:12
[INFO] [stdout]     |
[INFO] [stdout] 328 |     pub fn start_of_year(self) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `end_of_year`
[INFO] [stdout]    --> src/lib/date.rs:333:12
[INFO] [stdout]     |
[INFO] [stdout] 333 |     pub fn end_of_year(self) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start_of_week`
[INFO] [stdout]    --> src/lib/date.rs:338:12
[INFO] [stdout]     |
[INFO] [stdout] 338 |     pub fn start_of_week(self) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `end_of_week`
[INFO] [stdout]    --> src/lib/date.rs:343:12
[INFO] [stdout]     |
[INFO] [stdout] 343 |     pub fn end_of_week(self) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `prev`
[INFO] [stdout]    --> src/lib/date.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn prev(self) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.11s
[INFO] running `Command { std: "docker" "inspect" "f3575f08cbeaac6cc50184d9f9b3a7cd776e6863991443f40c302574431e0dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3575f08cbeaac6cc50184d9f9b3a7cd776e6863991443f40c302574431e0dde", kill_on_drop: false }`
[INFO] [stdout] f3575f08cbeaac6cc50184d9f9b3a7cd776e6863991443f40c302574431e0dde