[INFO] fetching crate instadoc 0.5.5...
[INFO] checking instadoc-0.5.5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate instadoc 0.5.5 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate instadoc 0.5.5 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 crates.io crate instadoc 0.5.5
[INFO] finished tweaking crates.io crate instadoc 0.5.5
[INFO] tweaked toml for crates.io crate instadoc 0.5.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate instadoc 0.5.5 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 sha-1 v0.8.2
[INFO] [stderr]   Downloaded pest_derive v2.1.0
[INFO] [stderr]   Downloaded handlebars v4.3.1
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[INFO] [stderr]   Downloaded syntect v4.6.0
[INFO] [stderr]   Downloaded pest_generator v2.1.3
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[INFO] [stderr]   Downloaded syn v1.0.96
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[INFO] [stderr]   Downloaded xdg v2.4.1
[INFO] [stderr]   Downloaded comrak v0.13.0
[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] 3a9e28fcf3f1e4c02e9df8503897468db0e4cedf57e68d23839d6332b13a52c1
[INFO] running `Command { std: "docker" "start" "-a" "3a9e28fcf3f1e4c02e9df8503897468db0e4cedf57e68d23839d6332b13a52c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a9e28fcf3f1e4c02e9df8503897468db0e4cedf57e68d23839d6332b13a52c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9e28fcf3f1e4c02e9df8503897468db0e4cedf57e68d23839d6332b13a52c1", kill_on_drop: false }`
[INFO] [stdout] 3a9e28fcf3f1e4c02e9df8503897468db0e4cedf57e68d23839d6332b13a52c1
[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] d1091969bdd57ba24c0de8e9ac2187abfb2db79a38ec1e743ad95ce78231aaf8
[INFO] running `Command { std: "docker" "start" "-a" "d1091969bdd57ba24c0de8e9ac2187abfb2db79a38ec1e743ad95ce78231aaf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]    Compiling onig_sys v69.7.1
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking os_str_bytes v6.1.0
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[INFO] [stderr]    Compiling heck v0.4.0
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[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling pest_derive v2.1.0
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[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]     Checking onig v6.3.1
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[INFO] [stderr]     Checking instadoc v0.5.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `handlebars` is imported redundantly
[INFO] [stdout]  --> src/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use handlebars;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `handlebars` 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/error.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde` is imported redundantly
[INFO] [stdout]  --> src/model/mod.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde::{self, Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^ the item `serde` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/model/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `handlebars` is imported redundantly
[INFO] [stdout]  --> src/model/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use handlebars;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `handlebars` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `handlebars` is imported redundantly
[INFO] [stdout]  --> src/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use handlebars;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `handlebars` 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 `comrak` is imported redundantly
[INFO] [stdout]  --> src/model/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use comrak;
[INFO] [stdout]   |     ^^^^^^ the item `comrak` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/error.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `chrono` is imported redundantly
[INFO] [stdout]  --> src/model/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use chrono;
[INFO] [stdout]   |     ^^^^^^ the item `chrono` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde` is imported redundantly
[INFO] [stdout]  --> src/model/mod.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde::{self, Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^ the item `serde` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/model/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `handlebars` is imported redundantly
[INFO] [stdout]  --> src/model/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use handlebars;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `handlebars` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `comrak` is imported redundantly
[INFO] [stdout]  --> src/model/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use comrak;
[INFO] [stdout]   |     ^^^^^^ the item `comrak` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `chrono` is imported redundantly
[INFO] [stdout]  --> src/model/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use chrono;
[INFO] [stdout]   |     ^^^^^^ the item `chrono` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `handlebars` is imported redundantly
[INFO] [stdout]   --> src/main.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use handlebars::{self, handlebars_helper};
[INFO] [stdout]    |                  ^^^^ the item `handlebars` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `handlebars` is imported redundantly
[INFO] [stdout]   --> src/main.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use handlebars::{self, handlebars_helper};
[INFO] [stdout]    |                  ^^^^ the item `handlebars` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.86s
[INFO] running `Command { std: "docker" "inspect" "d1091969bdd57ba24c0de8e9ac2187abfb2db79a38ec1e743ad95ce78231aaf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1091969bdd57ba24c0de8e9ac2187abfb2db79a38ec1e743ad95ce78231aaf8", kill_on_drop: false }`
[INFO] [stdout] d1091969bdd57ba24c0de8e9ac2187abfb2db79a38ec1e743ad95ce78231aaf8