[INFO] cloning repository https://github.com/bryanlammon/supra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bryanlammon/supra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanlammon%2Fsupra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanlammon%2Fsupra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a9ebbae769eaafdb589dfc1f1077668cb35e3f8
[INFO] checking bryanlammon/supra against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanlammon%2Fsupra" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bryanlammon/supra 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/bryanlammon/supra
[INFO] finished tweaking git repo https://github.com/bryanlammon/supra
[INFO] tweaked toml for git repo https://github.com/bryanlammon/supra written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bryanlammon/supra 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 slog-term v2.9.0
[INFO] [stderr]   Downloaded sha1 v0.10.4
[INFO] [stderr]   Downloaded phf_macros v0.11.1
[INFO] [stderr]   Downloaded sha2 v0.10.5
[INFO] [stderr]   Downloaded os_str_bytes v6.5.0
[INFO] [stderr]   Downloaded pandoc v0.8.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1327230dbf4bf8b89590daf006fbd5673c1eb9114e1fdae83e7e945edc259dcd
[INFO] running `Command { std: "docker" "start" "-a" "1327230dbf4bf8b89590daf006fbd5673c1eb9114e1fdae83e7e945edc259dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1327230dbf4bf8b89590daf006fbd5673c1eb9114e1fdae83e7e945edc259dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1327230dbf4bf8b89590daf006fbd5673c1eb9114e1fdae83e7e945edc259dcd", kill_on_drop: false }`
[INFO] [stdout] 1327230dbf4bf8b89590daf006fbd5673c1eb9114e1fdae83e7e945edc259dcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 863d5cb1010757ac943c904d7c85970dfc7c62ec37dfd39919b48527aecab79e
[INFO] running `Command { std: "docker" "start" "-a" "863d5cb1010757ac943c904d7c85970dfc7c62ec37dfd39919b48527aecab79e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]     Checking base64ct v1.0.1
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking aho-corasick v1.1.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]     Checking os_str_bytes v6.5.0
[INFO] [stderr]     Checking hashbrown v0.14.1
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling slog-async v2.8.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking unsafe-libyaml v0.2.9
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking sha2 v0.10.5
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aes v0.8.3
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking sha1 v0.10.4
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]     Checking base64 v0.21.4
[INFO] [stderr]     Checking indexmap v2.0.2
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking arc-swap v1.4.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]     Checking regex-automata v0.3.9
[INFO] [stderr]     Checking pandoc v0.8.10
[INFO] [stderr]     Checking time v0.3.14
[INFO] [stderr]    Compiling zstd-sys v2.0.8+zstd.1.5.5
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking slog-term v2.9.0
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]     Checking regex v1.9.6
[INFO] [stderr]    Compiling phf_macros v0.11.1
[INFO] [stderr]     Checking phf v0.11.1
[INFO] [stderr]     Checking zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]     Checking zip v0.6.6
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking serde_yaml v0.9.25
[INFO] [stderr]     Checking ron v0.8.1
[INFO] [stderr]     Checking slog-json v2.6.1
[INFO] [stderr]     Checking supra v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_yaml` is imported redundantly
[INFO] [stdout]   --> src/post.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde_yaml::{self};
[INFO] [stdout]    |                  ^^^^ the item `serde_yaml` 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_yaml` is imported redundantly
[INFO] [stdout]   --> src/post.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde_yaml::{self};
[INFO] [stdout]    |                  ^^^^ the item `serde_yaml` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `season` is never read
[INFO] [stdout]   --> src/pre/csljson.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct DateVariable {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub season: Option<u32>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DateVariable` has a derived impl for the trait `Debug`, 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `season` is never read
[INFO] [stdout]   --> src/pre/csljson.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct DateVariable {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub season: Option<u32>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DateVariable` has a derived impl for the trait `Debug`, 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.24s
[INFO] running `Command { std: "docker" "inspect" "863d5cb1010757ac943c904d7c85970dfc7c62ec37dfd39919b48527aecab79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "863d5cb1010757ac943c904d7c85970dfc7c62ec37dfd39919b48527aecab79e", kill_on_drop: false }`
[INFO] [stdout] 863d5cb1010757ac943c904d7c85970dfc7c62ec37dfd39919b48527aecab79e