[INFO] cloning repository https://github.com/FauxFaux/unsnap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FauxFaux/unsnap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Funsnap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Funsnap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dcbc52590a09baf6d3b0bc9b3befe23e7b1a6f2c
[INFO] checking FauxFaux/unsnap against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Funsnap" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FauxFaux/unsnap 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/FauxFaux/unsnap
[INFO] finished tweaking git repo https://github.com/FauxFaux/unsnap
[INFO] tweaked toml for git repo https://github.com/FauxFaux/unsnap written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/FauxFaux/unsnap 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 subprocess v0.2.9
[INFO] [stderr]   Downloaded time-parse v0.2.0
[INFO] [stderr]   Downloaded result v1.0.0
[INFO] [stderr]   Downloaded irc-proto v0.15.0
[INFO] [stderr]   Downloaded irc v0.15.0
[INFO] [stderr]   Downloaded winnow v0.6.3
[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] 4b46122a6a5b7965bf94b755b7e1a12773389708fe33dd5fb707d1654b7ed1f1
[INFO] running `Command { std: "docker" "start" "-a" "4b46122a6a5b7965bf94b755b7e1a12773389708fe33dd5fb707d1654b7ed1f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b46122a6a5b7965bf94b755b7e1a12773389708fe33dd5fb707d1654b7ed1f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b46122a6a5b7965bf94b755b7e1a12773389708fe33dd5fb707d1654b7ed1f1", kill_on_drop: false }`
[INFO] [stdout] 4b46122a6a5b7965bf94b755b7e1a12773389708fe33dd5fb707d1654b7ed1f1
[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] 0d37bb268aa45373b33950f96300b70e1ea0972935a4ff3b9cd44d5789ad4279
[INFO] running `Command { std: "docker" "start" "-a" "0d37bb268aa45373b33950f96300b70e1ea0972935a4ff3b9cd44d5789ad4279", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking indexmap v2.2.4
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]     Checking winnow v0.6.3
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking subprocess v0.2.9
[INFO] [stderr]     Checking result v1.0.0
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking twoway v0.2.2
[INFO] [stderr]     Checking quick-xml v0.31.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking chrono v0.4.34
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking time-parse v0.2.0
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling pin-project-internal v1.1.4
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking thiserror v1.0.57
[INFO] [stderr]     Checking pin-project v1.1.4
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking irc-proto v0.15.0
[INFO] [stderr]     Checking h2 v0.3.24
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking toml_edit v0.22.6
[INFO] [stderr]     Checking irc v0.15.0
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking toml v0.8.10
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.24
[INFO] [stderr]     Checking unsnap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]    --> src/titles/imgur.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     use serde_json;
[INFO] [stdout]     |         ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/titles/twitter.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     use serde_json;
[INFO] [stdout]    |         ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/titles/youtube.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     use serde_json;
[INFO] [stdout]    |         ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `popularity`, `disc_number`, and `track_number` are never read
[INFO] [stdout]   --> src/titles/spotify.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct SpotifyTrack {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 67 |     popularity: f64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 68 |
[INFO] [stdout] 69 |     disc_number: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 70 |     track_number: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `artists`, `name`, and `total_tracks` are never read
[INFO] [stdout]   --> src/titles/spotify.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | struct SpotifyAlbum {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] 75 |     artists: Vec<SpotifyArtist>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 76 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     total_tracks: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `popularity`, `disc_number`, and `track_number` are never read
[INFO] [stdout]   --> src/titles/spotify.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct SpotifyTrack {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 67 |     popularity: f64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 68 |
[INFO] [stdout] 69 |     disc_number: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 70 |     track_number: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `artists`, `name`, and `total_tracks` are never read
[INFO] [stdout]   --> src/titles/spotify.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | struct SpotifyAlbum {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] 75 |     artists: Vec<SpotifyArtist>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 76 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     total_tracks: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.56s
[INFO] running `Command { std: "docker" "inspect" "0d37bb268aa45373b33950f96300b70e1ea0972935a4ff3b9cd44d5789ad4279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d37bb268aa45373b33950f96300b70e1ea0972935a4ff3b9cd44d5789ad4279", kill_on_drop: false }`
[INFO] [stdout] 0d37bb268aa45373b33950f96300b70e1ea0972935a4ff3b9cd44d5789ad4279