[INFO] cloning repository https://github.com/NaturalSelectionLabs/Notion-Calendar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NaturalSelectionLabs/Notion-Calendar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNaturalSelectionLabs%2FNotion-Calendar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNaturalSelectionLabs%2FNotion-Calendar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 59b0fba32db41162bd735a9c6fd137e8cc6372e6
[INFO] checking NaturalSelectionLabs/Notion-Calendar against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNaturalSelectionLabs%2FNotion-Calendar" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NaturalSelectionLabs/Notion-Calendar 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/NaturalSelectionLabs/Notion-Calendar
[INFO] finished tweaking git repo https://github.com/NaturalSelectionLabs/Notion-Calendar
[INFO] tweaked toml for git repo https://github.com/NaturalSelectionLabs/Notion-Calendar written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/NaturalSelectionLabs/Notion-Calendar 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 icalendar v0.15.4
[INFO] [stderr]   Downloaded uuid v1.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a4265202096ee5617b82cf611c3ce3ac1ae5cdc1289ff532446936e3ad197cf5
[INFO] running `Command { std: "docker" "start" "-a" "a4265202096ee5617b82cf611c3ce3ac1ae5cdc1289ff532446936e3ad197cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4265202096ee5617b82cf611c3ce3ac1ae5cdc1289ff532446936e3ad197cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4265202096ee5617b82cf611c3ce3ac1ae5cdc1289ff532446936e3ad197cf5", kill_on_drop: false }`
[INFO] [stdout] a4265202096ee5617b82cf611c3ce3ac1ae5cdc1289ff532446936e3ad197cf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1ebf49f32e5a72e9e4d6c5901b83bd4be079db4ed1d127a3af73cd97542f99e8
[INFO] running `Command { std: "docker" "start" "-a" "1ebf49f32e5a72e9e4d6c5901b83bd4be079db4ed1d127a3af73cd97542f99e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking lock_api v0.4.10
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling openssl v0.10.54
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking hashbrown v0.12.3
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[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking futures-sink v0.3.28
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[INFO] [stderr]     Checking try-lock v0.2.4
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[INFO] [stderr]    Compiling openssl-sys v0.9.88
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[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking socket2 v0.4.9
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[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking iso8601 v0.6.1
[INFO] [stderr]     Checking icalendar v0.15.4
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.164
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[INFO] [stderr]     Checking notion_calendar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/database.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct DatabaseEntry {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub object: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 19 |     pub id: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 20 |     #[serde(rename = "created_time")]
[INFO] [stdout] 21 |     pub created_time: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 22 |     #[serde(rename = "last_edited_time")]
[INFO] [stdout] 23 |     pub last_edited_time: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 24 |     #[serde(rename = "created_by")]
[INFO] [stdout] 25 |     pub created_by: CreatedBy,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 26 |     #[serde(rename = "last_edited_by")]
[INFO] [stdout] 27 |     pub last_edited_by: LastEditedBy,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     pub cover: Value,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 29 |     pub icon: Option<Icon>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 30 |     pub parent: Parent,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 31 |     pub archived: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 32 |     pub properties: Properties,
[INFO] [stdout] 33 |     pub url: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 34 |     #[serde(rename = "public_url")]
[INFO] [stdout] 35 |     pub public_url: Value,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DatabaseEntry` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/database.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct DatabaseEntry {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub object: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 19 |     pub id: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 20 |     #[serde(rename = "created_time")]
[INFO] [stdout] 21 |     pub created_time: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 22 |     #[serde(rename = "last_edited_time")]
[INFO] [stdout] 23 |     pub last_edited_time: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 24 |     #[serde(rename = "created_by")]
[INFO] [stdout] 25 |     pub created_by: CreatedBy,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 26 |     #[serde(rename = "last_edited_by")]
[INFO] [stdout] 27 |     pub last_edited_by: LastEditedBy,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     pub cover: Value,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 29 |     pub icon: Option<Icon>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 30 |     pub parent: Parent,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 31 |     pub archived: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 32 |     pub properties: Properties,
[INFO] [stdout] 33 |     pub url: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 34 |     #[serde(rename = "public_url")]
[INFO] [stdout] 35 |     pub public_url: Value,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DatabaseEntry` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.49s
[INFO] running `Command { std: "docker" "inspect" "1ebf49f32e5a72e9e4d6c5901b83bd4be079db4ed1d127a3af73cd97542f99e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ebf49f32e5a72e9e4d6c5901b83bd4be079db4ed1d127a3af73cd97542f99e8", kill_on_drop: false }`
[INFO] [stdout] 1ebf49f32e5a72e9e4d6c5901b83bd4be079db4ed1d127a3af73cd97542f99e8