[INFO] fetching crate headers-accept-encoding 1.1.0...
[INFO] checking headers-accept-encoding-1.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate headers-accept-encoding 1.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate headers-accept-encoding 1.1.0
[INFO] finished tweaking crates.io crate headers-accept-encoding 1.1.0
[INFO] tweaked toml for crates.io crate headers-accept-encoding 1.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate headers-accept-encoding 1.1.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.21.7 (available: v0.22.1)
[INFO] [stderr]       Adding itertools v0.11.0 (available: v0.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while 2021 is compatible with `rust-version`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34683e137d7113f5f87dac9ae1ff1ccd018878a3ec54151290a8f17f10804963
[INFO] running `Command { std: "docker" "start" "-a" "34683e137d7113f5f87dac9ae1ff1ccd018878a3ec54151290a8f17f10804963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34683e137d7113f5f87dac9ae1ff1ccd018878a3ec54151290a8f17f10804963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34683e137d7113f5f87dac9ae1ff1ccd018878a3ec54151290a8f17f10804963", kill_on_drop: false }`
[INFO] [stdout] 34683e137d7113f5f87dac9ae1ff1ccd018878a3ec54151290a8f17f10804963
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 767c51b6041a92a134b3709053ab70bfca13e50c08d6229328505d6058d78bcb
[INFO] running `Command { std: "docker" "start" "-a" "767c51b6041a92a134b3709053ab70bfca13e50c08d6229328505d6058d78bcb", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while 2021 is compatible with `rust-version`
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking headers-core v0.3.0
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking headers-accept-encoding v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `SemiLevel` is never used
[INFO] [stdout]   --> src/util/quality_value.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub enum SemiLevel {}
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "767c51b6041a92a134b3709053ab70bfca13e50c08d6229328505d6058d78bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "767c51b6041a92a134b3709053ab70bfca13e50c08d6229328505d6058d78bcb", kill_on_drop: false }`
[INFO] [stdout] 767c51b6041a92a134b3709053ab70bfca13e50c08d6229328505d6058d78bcb