[INFO] fetching crate presenterm 0.3.0...
[INFO] checking presenterm-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate presenterm 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate presenterm 0.3.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate presenterm 0.3.0
[INFO] finished tweaking crates.io crate presenterm 0.3.0
[INFO] tweaked toml for crates.io crate presenterm 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate presenterm 0.3.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 659184d7289d52104b134dd36c985b1ecda7bd0ffb528d03a4cfbc12fdca7dfe
[INFO] running `Command { std: "docker" "start" "-a" "659184d7289d52104b134dd36c985b1ecda7bd0ffb528d03a4cfbc12fdca7dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "659184d7289d52104b134dd36c985b1ecda7bd0ffb528d03a4cfbc12fdca7dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "659184d7289d52104b134dd36c985b1ecda7bd0ffb528d03a4cfbc12fdca7dfe", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d40a122db07bd91e3210c7619218a7c6217f9b6ed0bf1193dce7185798c04f4
[INFO] running `Command { std: "docker" "start" "-a" "1d40a122db07bd91e3210c7619218a7c6217f9b6ed0bf1193dce7185798c04f4", kill_on_drop: false }`
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[INFO] [stdout] warning: method `mutations` is never used
[INFO] [stdout]    --> src/presentation.rs:290:8
[INFO] [stdout]     |
[INFO] [stdout] 285 | pub(crate) trait ChunkMutator: Debug {
[INFO] [stdout]     |                  ------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 290 |     fn mutations(&self) -> (usize, usize);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CodeLanguage` is imported redundantly
[INFO] [stdout]     --> src/builder.rs:1142:53
[INFO] [stdout]      |
[INFO] [stdout] 1141 |     use super::*;
[INFO] [stdout]      |         -------- the item `CodeLanguage` is already imported here
[INFO] [stdout] 1142 |     use crate::markdown::elements::{CodeAttributes, CodeLanguage};
[INFO] [stdout]      |                                                     ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mutations` is never used
[INFO] [stdout]    --> src/presentation.rs:290:8
[INFO] [stdout]     |
[INFO] [stdout] 285 | pub(crate) trait ChunkMutator: Debug {
[INFO] [stdout]     |                  ------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 290 |     fn mutations(&self) -> (usize, usize);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.94s
[INFO] running `Command { std: "docker" "inspect" "1d40a122db07bd91e3210c7619218a7c6217f9b6ed0bf1193dce7185798c04f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d40a122db07bd91e3210c7619218a7c6217f9b6ed0bf1193dce7185798c04f4", kill_on_drop: false }`
[INFO] [stdout] 1d40a122db07bd91e3210c7619218a7c6217f9b6ed0bf1193dce7185798c04f4