[INFO] fetching crate sml 0.1.46...
[INFO] checking sml-0.1.46 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate sml 0.1.46 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate sml 0.1.46 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages
[INFO] [stderr]       Adding colored v1.9.4 (latest: v2.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 916c0b4ab52fea1ab76a895a41f670b1a4eaf232b14978ba1f39b1225c7601ef
[INFO] running `Command { std: "docker" "start" "-a" "916c0b4ab52fea1ab76a895a41f670b1a4eaf232b14978ba1f39b1225c7601ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "916c0b4ab52fea1ab76a895a41f670b1a4eaf232b14978ba1f39b1225c7601ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "916c0b4ab52fea1ab76a895a41f670b1a4eaf232b14978ba1f39b1225c7601ef", kill_on_drop: false }`
[INFO] [stdout] 916c0b4ab52fea1ab76a895a41f670b1a4eaf232b14978ba1f39b1225c7601ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abb18cb06f4e14a3ead71fde6d151a3d18d67d0ae0f55c86278aa5da32937f24
[INFO] running `Command { std: "docker" "start" "-a" "abb18cb06f4e14a3ead71fde6d151a3d18d67d0ae0f55c86278aa5da32937f24", kill_on_drop: false }`
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking sml v0.1.46 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `spaces` is never used
[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: function `spaces` is never used
[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: methods `indent` and `line` are never used
[INFO] [stdout]    --> src/lib.rs:446:8
[INFO] [stdout]     |
[INFO] [stdout] 424 | impl Token {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 446 |     fn indent(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 576 |     fn line(&self) -> usize {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `indent` is never used
[INFO] [stdout]    --> src/lib.rs:637:8
[INFO] [stdout]     |
[INFO] [stdout] 613 | impl SmallString {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 637 |     fn indent(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `tokens` is never used
[INFO] [stdout]    --> src/lib.rs:724:8
[INFO] [stdout]     |
[INFO] [stdout] 722 | impl<'a> Small<'a> {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] 723 |
[INFO] [stdout] 724 |     fn tokens(&self) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `indent` and `line` are never used
[INFO] [stdout]    --> src/lib.rs:446:8
[INFO] [stdout]     |
[INFO] [stdout] 424 | impl Token {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 446 |     fn indent(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 576 |     fn line(&self) -> usize {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `indent` is never used
[INFO] [stdout]    --> src/lib.rs:637:8
[INFO] [stdout]     |
[INFO] [stdout] 613 | impl SmallString {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 637 |     fn indent(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `tokens` is never used
[INFO] [stdout]    --> src/lib.rs:724:8
[INFO] [stdout]     |
[INFO] [stdout] 722 | impl<'a> Small<'a> {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] 723 |
[INFO] [stdout] 724 |     fn tokens(&self) -> Vec<String> {
[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] [stdout] warning: function `key_parse2` is never used
[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` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "abb18cb06f4e14a3ead71fde6d151a3d18d67d0ae0f55c86278aa5da32937f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abb18cb06f4e14a3ead71fde6d151a3d18d67d0ae0f55c86278aa5da32937f24", kill_on_drop: false }`
[INFO] [stdout] abb18cb06f4e14a3ead71fde6d151a3d18d67d0ae0f55c86278aa5da32937f24