[INFO] fetching crate range_union_find 0.5.0...
[INFO] checking range_union_find-0.5.0 against master#19dd9535408db0f1ff3d16613619076aef524d19 for pr-115950
[INFO] extracting crate range_union_find 0.5.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate range_union_find 0.5.0 on toolchain 19dd9535408db0f1ff3d16613619076aef524d19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate range_union_find 0.5.0
[INFO] finished tweaking crates.io crate range_union_find 0.5.0
[INFO] tweaked toml for crates.io crate range_union_find 0.5.0 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" "+19dd9535408db0f1ff3d16613619076aef524d19" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sorted-vec v0.8.2
[INFO] [stderr]   Downloaded version-sync v0.9.5
[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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c0056dae3cf8dd5cd1f5b03ef19e5d2d5a52cf559359f44e60788c76eac3988
[INFO] running `Command { std: "docker" "start" "-a" "0c0056dae3cf8dd5cd1f5b03ef19e5d2d5a52cf559359f44e60788c76eac3988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c0056dae3cf8dd5cd1f5b03ef19e5d2d5a52cf559359f44e60788c76eac3988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c0056dae3cf8dd5cd1f5b03ef19e5d2d5a52cf559359f44e60788c76eac3988", kill_on_drop: false }`
[INFO] [stdout] 0c0056dae3cf8dd5cd1f5b03ef19e5d2d5a52cf559359f44e60788c76eac3988
[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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b77e7c7b0487c8f561eb672446a789ba324244cc7abba990dccd510bd6470c89
[INFO] running `Command { std: "docker" "start" "-a" "b77e7c7b0487c8f561eb672446a789ba324244cc7abba990dccd510bd6470c89", kill_on_drop: false }`
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking sorted-vec v0.8.2
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking quote v1.0.33
[INFO] [stderr]     Checking syn v2.0.37
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking range_union_find v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Num`
[INFO] [stdout]  --> src/num_trait.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_traits::{PrimInt, Num};
[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]     Checking url v2.4.1
[INFO] [stderr]     Checking version-sync v0.9.5
[INFO] [stdout] warning: unused import: `Num`
[INFO] [stdout]  --> src/num_trait.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_traits::{PrimInt, Num};
[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 [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "b77e7c7b0487c8f561eb672446a789ba324244cc7abba990dccd510bd6470c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b77e7c7b0487c8f561eb672446a789ba324244cc7abba990dccd510bd6470c89", kill_on_drop: false }`
[INFO] [stdout] b77e7c7b0487c8f561eb672446a789ba324244cc7abba990dccd510bd6470c89