[INFO] cloning repository https://github.com/gnaaman-dn/sink
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gnaaman-dn/sink" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnaaman-dn%2Fsink", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnaaman-dn%2Fsink'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c031258eda36ad0274e65340a1ae91c0cbb9d5b0
[INFO] checking gnaaman-dn/sink against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnaaman-dn%2Fsink" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gnaaman-dn/sink 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 git repo https://github.com/gnaaman-dn/sink
[INFO] finished tweaking git repo https://github.com/gnaaman-dn/sink
[INFO] tweaked toml for git repo https://github.com/gnaaman-dn/sink written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gnaaman-dn/sink already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tui-tree-widget-table v0.1.1
[INFO] [stderr]   Downloaded filetime v0.2.20
[INFO] [stderr]   Downloaded xattr v0.2.3
[INFO] [stderr]   Downloaded is-terminal v0.4.4
[INFO] [stderr]   Downloaded unicode-bidi v0.3.11
[INFO] [stderr]   Downloaded thiserror-impl v1.0.39
[INFO] [stderr]   Downloaded os_str_bytes v6.4.1
[INFO] [stderr]   Downloaded anyhow v1.0.69
[INFO] [stderr]   Downloaded futures-channel v0.3.26
[INFO] [stderr]   Downloaded clap v4.1.8
[INFO] [stderr]   Downloaded tokio v1.26.0
[INFO] [stderr]   Downloaded openssl v0.10.45
[INFO] [stderr]   Downloaded rustix v0.36.9
[INFO] [stderr]   Downloaded futures-util v0.3.26
[INFO] [stderr]   Downloaded reqwest v0.11.14
[INFO] [stderr]   Downloaded clap_derive v4.1.8
[INFO] [stderr]   Downloaded futures v0.3.26
[INFO] [stderr]   Downloaded oci-spec v0.6.0
[INFO] [stderr]   Downloaded hyper v0.14.24
[INFO] [stderr]   Downloaded openssl-sys v0.9.80
[INFO] [stderr]   Downloaded clap_lex v0.3.2
[INFO] [stderr]   Downloaded futures-executor v0.3.26
[INFO] [stderr]   Downloaded ipnet v2.7.1
[INFO] [stderr]   Downloaded io-lifetimes v1.0.6
[INFO] [stderr]   Downloaded tempfile v3.4.0
[INFO] [stderr]   Downloaded futures-core v0.3.26
[INFO] [stderr]   Downloaded futures-io v0.3.26
[INFO] [stderr]   Downloaded futures-macro v0.3.26
[INFO] [stderr]   Downloaded futures-sink v0.3.26
[INFO] [stderr]   Downloaded futures-task v0.3.26
[INFO] [stderr]   Downloaded thiserror v1.0.39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e9b946d4de8206e2386060bcd4e5fe2a9d7e94ad7e36cef9f786ee5e70312a58
[INFO] running `Command { std: "docker" "start" "-a" "e9b946d4de8206e2386060bcd4e5fe2a9d7e94ad7e36cef9f786ee5e70312a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9b946d4de8206e2386060bcd4e5fe2a9d7e94ad7e36cef9f786ee5e70312a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b946d4de8206e2386060bcd4e5fe2a9d7e94ad7e36cef9f786ee5e70312a58", kill_on_drop: false }`
[INFO] [stdout] e9b946d4de8206e2386060bcd4e5fe2a9d7e94ad7e36cef9f786ee5e70312a58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ab8bd57f09c00fa3e1b4275bb0b3466cb793926c099e50f94ba28c027eb14cfe
[INFO] running `Command { std: "docker" "start" "-a" "ab8bd57f09c00fa3e1b4275bb0b3466cb793926c099e50f94ba28c027eb14cfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling openssl v0.10.45
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling io-lifetimes v1.0.6
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling rustix v0.36.9
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling openssl-sys v0.9.80
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling portable-atomic v0.3.19
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking time-core v0.1.1
[INFO] [stderr]     Checking deranged v0.3.8
[INFO] [stderr]     Checking unicode-bidi v0.3.11
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]    Compiling indoc v2.0.3
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking clap_lex v0.3.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking time v0.3.28
[INFO] [stderr]     Checking xattr v0.2.3
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking console v0.15.5
[INFO] [stderr]     Checking filetime v0.2.20
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]     Checking ipnet v2.7.1
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking addr2line v0.19.0
[INFO] [stderr]     Checking is-terminal v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling strum_macros v0.25.2
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling futures-macro v0.3.26
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.39
[INFO] [stderr]    Compiling clap_derive v4.1.8
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking ratatui v0.23.0
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]     Checking tui-tree-widget-table v0.1.1
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.12.0
[INFO] [stderr]     Checking clap v4.1.8
[INFO] [stderr]    Compiling derive_builder_macro v0.12.0
[INFO] [stderr]     Checking derive_builder v0.12.0
[INFO] [stderr]     Checking futures-executor v0.3.26
[INFO] [stderr]     Checking futures v0.3.26
[INFO] [stderr]     Checking tokio-util v0.7.7
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking indicatif v0.17.3
[INFO] [stderr]     Checking h2 v0.3.16
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking oci-spec v0.6.0
[INFO] [stderr]     Checking hyper v0.14.24
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.14
[INFO] [stderr]     Checking sink v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/main.rs:505:9
[INFO] [stdout]     |
[INFO] [stdout] 505 |     let start = Instant::now();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/main.rs:505:9
[INFO] [stdout]     |
[INFO] [stdout] 505 |     let start = Instant::now();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/main.rs:585:9
[INFO] [stdout]     |
[INFO] [stdout] 585 |     let start = Instant::now();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/main.rs:585:9
[INFO] [stdout]     |
[INFO] [stdout] 585 |     let start = Instant::now();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "ab8bd57f09c00fa3e1b4275bb0b3466cb793926c099e50f94ba28c027eb14cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab8bd57f09c00fa3e1b4275bb0b3466cb793926c099e50f94ba28c027eb14cfe", kill_on_drop: false }`
[INFO] [stdout] ab8bd57f09c00fa3e1b4275bb0b3466cb793926c099e50f94ba28c027eb14cfe