[INFO] fetching crate sml 0.1.46...
[INFO] checking sml-0.1.46 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate sml 0.1.46 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sml 0.1.46 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sml 0.1.46
[INFO] finished tweaking crates.io crate sml 0.1.46
[INFO] tweaked toml for crates.io crate sml 0.1.46 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91802416021a225c473e6d53d808788fb468420be6b3258f5b4fab3f1d94928d
[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" "91802416021a225c473e6d53d808788fb468420be6b3258f5b4fab3f1d94928d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91802416021a225c473e6d53d808788fb468420be6b3258f5b4fab3f1d94928d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91802416021a225c473e6d53d808788fb468420be6b3258f5b4fab3f1d94928d", kill_on_drop: false }`
[INFO] [stdout] 91802416021a225c473e6d53d808788fb468420be6b3258f5b4fab3f1d94928d
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e337df0e994db9a20611dc84035b6a9537eac5d44c3cb664b6915b9e1bda516c
[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" "e337df0e994db9a20611dc84035b6a9537eac5d44c3cb664b6915b9e1bda516c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking sml v0.1.46 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `spaces`
[INFO] [stdout]    --> src/lib.rs:182:4
[INFO] [stdout]     |
[INFO] [stdout] 182 | fn spaces(i: usize) -> String {
[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: `indent`
[INFO] [stdout]    --> src/lib.rs:446:8
[INFO] [stdout]     |
[INFO] [stdout] 446 |     fn indent(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `line`
[INFO] [stdout]    --> src/lib.rs:576:8
[INFO] [stdout]     |
[INFO] [stdout] 576 |     fn line(&self) -> usize {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `indent`
[INFO] [stdout]    --> src/lib.rs:637:8
[INFO] [stdout]     |
[INFO] [stdout] 637 |     fn indent(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tokens`
[INFO] [stdout]    --> src/lib.rs:724:8
[INFO] [stdout]     |
[INFO] [stdout] 724 |     fn tokens(&self) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `spaces`
[INFO] [stdout]    --> src/lib.rs:182:4
[INFO] [stdout]     |
[INFO] [stdout] 182 | fn spaces(i: usize) -> String {
[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: `indent`
[INFO] [stdout]    --> src/lib.rs:446:8
[INFO] [stdout]     |
[INFO] [stdout] 446 |     fn indent(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `line`
[INFO] [stdout]    --> src/lib.rs:576:8
[INFO] [stdout]     |
[INFO] [stdout] 576 |     fn line(&self) -> usize {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `indent`
[INFO] [stdout]    --> src/lib.rs:637:8
[INFO] [stdout]     |
[INFO] [stdout] 637 |     fn indent(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tokens`
[INFO] [stdout]    --> src/lib.rs:724:8
[INFO] [stdout]     |
[INFO] [stdout] 724 |     fn tokens(&self) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `key_parse2`
[INFO] [stdout]    --> tests/test.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 | fn key_parse2() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "e337df0e994db9a20611dc84035b6a9537eac5d44c3cb664b6915b9e1bda516c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e337df0e994db9a20611dc84035b6a9537eac5d44c3cb664b6915b9e1bda516c", kill_on_drop: false }`
[INFO] [stdout] e337df0e994db9a20611dc84035b6a9537eac5d44c3cb664b6915b9e1bda516c