[INFO] fetching crate ustr 1.1.0...
[INFO] checking ustr-1.1.0 against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] extracting crate ustr 1.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate ustr 1.1.0
[INFO] finished tweaking crates.io crate ustr 1.1.0
[INFO] tweaked toml for crates.io crate ustr 1.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ustr 1.1.0 on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 95 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.4.0 (available: v0.8.2)
[INFO] [stderr]       Adding string-interner v0.13.0 (available: v0.20.0)
[INFO] [stderr]       Adding string_cache v0.8.9 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded string-interner v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f71e358a9adfdacd7d40acd5ee0e78f537767fbff12e527584d1a033e2012931
[INFO] running `Command { std: "docker" "start" "f71e358a9adfdacd7d40acd5ee0e78f537767fbff12e527584d1a033e2012931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f71e358a9adfdacd7d40acd5ee0e78f537767fbff12e527584d1a033e2012931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f71e358a9adfdacd7d40acd5ee0e78f537767fbff12e527584d1a033e2012931" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f71e358a9adfdacd7d40acd5ee0e78f537767fbff12e527584d1a033e2012931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f71e358a9adfdacd7d40acd5ee0e78f537767fbff12e527584d1a033e2012931" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.16
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking string_cache v0.8.9
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stderr]     Checking ustr v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking string-interner v0.13.0
[INFO] [stdout] warning: unused import: `lazy_static::lazy_static`
[INFO] [stdout]    --> src/lib.rs:819:9
[INFO] [stdout]     |
[INFO] [stdout] 819 |     use lazy_static::lazy_static;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Mutex`
[INFO] [stdout]    --> src/lib.rs:822:9
[INFO] [stdout]     |
[INFO] [stdout] 822 |     use std::sync::Mutex;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "f71e358a9adfdacd7d40acd5ee0e78f537767fbff12e527584d1a033e2012931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71e358a9adfdacd7d40acd5ee0e78f537767fbff12e527584d1a033e2012931", kill_on_drop: false }`
[INFO] [stdout] f71e358a9adfdacd7d40acd5ee0e78f537767fbff12e527584d1a033e2012931
