[INFO] fetching crate sdsl 0.3.1...
[INFO] checking sdsl-0.3.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate sdsl 0.3.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate sdsl 0.3.1 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 sdsl 0.3.1
[INFO] finished tweaking crates.io crate sdsl 0.3.1
[INFO] tweaked toml for crates.io crate sdsl 0.3.1 written to /workspace/builds/worker-0-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 81 packages
[INFO] [stderr]       Adding arrayvec v0.5.2 (latest: v0.7.4)
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[INFO] [stderr]       Adding crypto-mac v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding digest v0.9.0 (latest: v0.10.7)
[INFO] [stderr]       Adding error-chain v0.9.0 (latest: v0.12.4)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding lazy_static v0.2.11 (latest: v1.4.0)
[INFO] [stderr]       Adding simple_logger v1.16.0 (latest: v4.3.3)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.34)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] [stderr]       Adding zip v0.5.13 (latest: v0.6.6)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded error-chain v0.9.0
[INFO] [stderr]   Downloaded simple_logger v1.16.0
[INFO] [stderr]   Downloaded sharedlib v7.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] eb5a860f452f0f7593696b5b6cef30fa6388c1d7eb44610d9f81cd57033408ac
[INFO] running `Command { std: "docker" "start" "-a" "eb5a860f452f0f7593696b5b6cef30fa6388c1d7eb44610d9f81cd57033408ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb5a860f452f0f7593696b5b6cef30fa6388c1d7eb44610d9f81cd57033408ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb5a860f452f0f7593696b5b6cef30fa6388c1d7eb44610d9f81cd57033408ac", kill_on_drop: false }`
[INFO] [stdout] eb5a860f452f0f7593696b5b6cef30fa6388c1d7eb44610d9f81cd57033408ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 05303d7a073fb7ef1bd4385b9025e160d4a50de566ba314375846a995dc97e44
[INFO] running `Command { std: "docker" "start" "-a" "05303d7a073fb7ef1bd4385b9025e160d4a50de566ba314375846a995dc97e44", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]    Compiling sharedlib v7.0.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking deranged v0.3.11
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[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking cc v1.0.90
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking arrayref v0.3.7
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[INFO] [stderr]     Checking error-chain v0.9.0
[INFO] [stderr]     Checking byteorder v1.5.0
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[INFO] [stderr]     Checking constant_time_eq v0.1.5
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[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking simple_logger v1.16.0
[INFO] [stderr]     Checking zip v0.5.13
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[INFO] [stdout] warning: field `create` is never read
[INFO] [stdout]    --> src/interface/wavelet_trees/wt_huff.rs:498:5
[INFO] [stdout]     |
[INFO] [stdout] 497 | struct Interface<Value, Size> {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 498 |     create: extern "C" fn() -> common::VoidPtr,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Interface` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `create` is never read
[INFO] [stdout]    --> src/interface/wavelet_trees/wt_int.rs:456:5
[INFO] [stdout]     |
[INFO] [stdout] 455 | struct Interface<Value, Size> {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 456 |     create: extern "C" fn() -> common::VoidPtr,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Interface` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `capture_group_name` is never read
[INFO] [stdout]   --> src/meta/common/params.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Parameter {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 26 |     pub regex: String,
[INFO] [stdout] 27 |     pub capture_group_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Parameter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `create` is never read
[INFO] [stdout]    --> src/interface/wavelet_trees/wt_huff.rs:498:5
[INFO] [stdout]     |
[INFO] [stdout] 497 | struct Interface<Value, Size> {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 498 |     create: extern "C" fn() -> common::VoidPtr,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Interface` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `create` is never read
[INFO] [stdout]    --> src/interface/wavelet_trees/wt_int.rs:456:5
[INFO] [stdout]     |
[INFO] [stdout] 455 | struct Interface<Value, Size> {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 456 |     create: extern "C" fn() -> common::VoidPtr,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Interface` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `capture_group_name` is never read
[INFO] [stdout]   --> src/meta/common/params.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Parameter {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 26 |     pub regex: String,
[INFO] [stdout] 27 |     pub capture_group_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Parameter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.54s
[INFO] running `Command { std: "docker" "inspect" "05303d7a073fb7ef1bd4385b9025e160d4a50de566ba314375846a995dc97e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05303d7a073fb7ef1bd4385b9025e160d4a50de566ba314375846a995dc97e44", kill_on_drop: false }`
[INFO] [stdout] 05303d7a073fb7ef1bd4385b9025e160d4a50de566ba314375846a995dc97e44