[INFO] cloning repository https://github.com/AmaranthineCodices/chrysanthemum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AmaranthineCodices/chrysanthemum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmaranthineCodices%2Fchrysanthemum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmaranthineCodices%2Fchrysanthemum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82d3c2244e5fd625beea8cbcdb39270b4d801d42
[INFO] checking AmaranthineCodices/chrysanthemum against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmaranthineCodices%2Fchrysanthemum" "/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/AmaranthineCodices/chrysanthemum 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] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/AmaranthineCodices/chrysanthemum
[INFO] finished tweaking git repo https://github.com/AmaranthineCodices/chrysanthemum
[INFO] tweaked toml for git repo https://github.com/AmaranthineCodices/chrysanthemum written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AmaranthineCodices/chrysanthemum 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 }`
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[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 }`
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[INFO] running `Command { std: "docker" "start" "-a" "804a782569595f0191c2e486e26cbe2d389d14b2e77aef1cf35087388c47c404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "804a782569595f0191c2e486e26cbe2d389d14b2e77aef1cf35087388c47c404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "804a782569595f0191c2e486e26cbe2d389d14b2e77aef1cf35087388c47c404", kill_on_drop: false }`
[INFO] [stdout] 804a782569595f0191c2e486e26cbe2d389d14b2e77aef1cf35087388c47c404
[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] 0b70eadf662c6a360a66f14853e2fdcc5d655862e88a283e0b53db9d7db636f4
[INFO] running `Command { std: "docker" "start" "-a" "0b70eadf662c6a360a66f14853e2fdcc5d655862e88a283e0b53db9d7db636f4", kill_on_drop: false }`
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[INFO] [stderr]     Checking chrysanthemum v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `enabled` is never read
[INFO] [stdout]    --> src/config.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 245 | pub struct SlashCommands {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 246 |     pub enabled: bool,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SlashCommands` 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: field `substrings` is never read
[INFO] [stdout]    --> src/config.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |     Substring {
[INFO] [stdout]     |     --------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 264 |         substrings: Regex,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `regexes` is never read
[INFO] [stdout]    --> src/config.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |     Regex {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] 267 |         #[serde(with = "serde_regex")]
[INFO] [stdout] 268 |         regexes: Vec<Regex>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `channel_id` and `content` are never read
[INFO] [stdout]    --> src/config.rs:275:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |     SendMessage {
[INFO] [stdout]     |     ----------- fields in this variant
[INFO] [stdout] 275 |         channel_id: Id<ChannelMarker>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 276 |         content: String,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `enabled` is never read
[INFO] [stdout]    --> src/config.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 245 | pub struct SlashCommands {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 246 |     pub enabled: bool,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SlashCommands` 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: field `substrings` is never read
[INFO] [stdout]    --> src/config.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |     Substring {
[INFO] [stdout]     |     --------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 264 |         substrings: Regex,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `regexes` is never read
[INFO] [stdout]    --> src/config.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |     Regex {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] 267 |         #[serde(with = "serde_regex")]
[INFO] [stdout] 268 |         regexes: Vec<Regex>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `channel_id` and `content` are never read
[INFO] [stdout]    --> src/config.rs:275:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |     SendMessage {
[INFO] [stdout]     |     ----------- fields in this variant
[INFO] [stdout] 275 |         channel_id: Id<ChannelMarker>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 276 |         content: String,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.47s
[INFO] running `Command { std: "docker" "inspect" "0b70eadf662c6a360a66f14853e2fdcc5d655862e88a283e0b53db9d7db636f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b70eadf662c6a360a66f14853e2fdcc5d655862e88a283e0b53db9d7db636f4", kill_on_drop: false }`
[INFO] [stdout] 0b70eadf662c6a360a66f14853e2fdcc5d655862e88a283e0b53db9d7db636f4
[INFO] checking AmaranthineCodices/chrysanthemum against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmaranthineCodices%2Fchrysanthemum" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AmaranthineCodices/chrysanthemum on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/AmaranthineCodices/chrysanthemum
[INFO] finished tweaking git repo https://github.com/AmaranthineCodices/chrysanthemum
[INFO] tweaked toml for git repo https://github.com/AmaranthineCodices/chrysanthemum written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/AmaranthineCodices/chrysanthemum 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ba0b3f1bf8eb4631be866419ecbbe3817ffec74b096d07bdda8c6374aff38e7
[INFO] running `Command { std: "docker" "start" "-a" "7ba0b3f1bf8eb4631be866419ecbbe3817ffec74b096d07bdda8c6374aff38e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ba0b3f1bf8eb4631be866419ecbbe3817ffec74b096d07bdda8c6374aff38e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba0b3f1bf8eb4631be866419ecbbe3817ffec74b096d07bdda8c6374aff38e7", kill_on_drop: false }`
[INFO] [stdout] 7ba0b3f1bf8eb4631be866419ecbbe3817ffec74b096d07bdda8c6374aff38e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3dde4ba20c8b80db294596fad049e87531a1c9325827a0981520ea8a04a4e92
[INFO] running `Command { std: "docker" "start" "-a" "a3dde4ba20c8b80db294596fad049e87531a1c9325827a0981520ea8a04a4e92", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
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[INFO] [stdout] warning: field `enabled` is never read
[INFO] [stdout]    --> src/config.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 245 | pub struct SlashCommands {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 246 |     pub enabled: bool,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SlashCommands` 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: field `substrings` is never read
[INFO] [stdout]    --> src/config.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |     Substring {
[INFO] [stdout]     |     --------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 264 |         substrings: Regex,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `regexes` is never read
[INFO] [stdout]    --> src/config.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |     Regex {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] 267 |         #[serde(with = "serde_regex")]
[INFO] [stdout] 268 |         regexes: Vec<Regex>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `channel_id` and `content` are never read
[INFO] [stdout]    --> src/config.rs:275:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |     SendMessage {
[INFO] [stdout]     |     ----------- fields in this variant
[INFO] [stdout] 275 |         channel_id: Id<ChannelMarker>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 276 |         content: String,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `enabled` is never read
[INFO] [stdout]    --> src/config.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 245 | pub struct SlashCommands {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 246 |     pub enabled: bool,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SlashCommands` 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: field `substrings` is never read
[INFO] [stdout]    --> src/config.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |     Substring {
[INFO] [stdout]     |     --------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 264 |         substrings: Regex,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `regexes` is never read
[INFO] [stdout]    --> src/config.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |     Regex {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] 267 |         #[serde(with = "serde_regex")]
[INFO] [stdout] 268 |         regexes: Vec<Regex>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `channel_id` and `content` are never read
[INFO] [stdout]    --> src/config.rs:275:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |     SendMessage {
[INFO] [stdout]     |     ----------- fields in this variant
[INFO] [stdout] 275 |         channel_id: Id<ChannelMarker>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 276 |         content: String,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 58.11s
[INFO] running `Command { std: "docker" "inspect" "a3dde4ba20c8b80db294596fad049e87531a1c9325827a0981520ea8a04a4e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3dde4ba20c8b80db294596fad049e87531a1c9325827a0981520ea8a04a4e92", kill_on_drop: false }`
[INFO] [stdout] a3dde4ba20c8b80db294596fad049e87531a1c9325827a0981520ea8a04a4e92