[INFO] fetching crate informa 0.2.0...
[INFO] checking informa-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate informa 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate informa 0.2.0 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 informa 0.2.0
[INFO] finished tweaking crates.io crate informa 0.2.0
[INFO] tweaked toml for crates.io crate informa 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 16 packages
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded permutohedron v0.2.4
[INFO] [stderr]   Downloaded spans v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b3e03d815bf86b17df91c5711f29a6a9b614930f74bf5f648e883d1f1a30c15f
[INFO] running `Command { std: "docker" "start" "-a" "b3e03d815bf86b17df91c5711f29a6a9b614930f74bf5f648e883d1f1a30c15f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3e03d815bf86b17df91c5711f29a6a9b614930f74bf5f648e883d1f1a30c15f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3e03d815bf86b17df91c5711f29a6a9b614930f74bf5f648e883d1f1a30c15f", kill_on_drop: false }`
[INFO] [stdout] b3e03d815bf86b17df91c5711f29a6a9b614930f74bf5f648e883d1f1a30c15f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bb942c81cef6a746aa0e94894e2353d73a91b148e708b4591e5ade0ec4c03bca
[INFO] running `Command { std: "docker" "start" "-a" "bb942c81cef6a746aa0e94894e2353d73a91b148e708b4591e5ade0ec4c03bca", kill_on_drop: false }`
[INFO] [stderr]     Checking spans v1.0.0
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking informa v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `CharacterMap` is imported redundantly
[INFO] [stdout]     --> src/sfnt/tables/cmap/format4.rs:1043:9
[INFO] [stdout]      |
[INFO] [stdout] 1041 |     use super::*;
[INFO] [stdout]      |         -------- the item `CharacterMap` is already imported here
[INFO] [stdout] 1042 |     use crate::ctx::Optimization;
[INFO] [stdout] 1043 |     use crate::data::CharacterMap;
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "bb942c81cef6a746aa0e94894e2353d73a91b148e708b4591e5ade0ec4c03bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb942c81cef6a746aa0e94894e2353d73a91b148e708b4591e5ade0ec4c03bca", kill_on_drop: false }`
[INFO] [stdout] bb942c81cef6a746aa0e94894e2353d73a91b148e708b4591e5ade0ec4c03bca