[INFO] fetching crate capped_collections 0.1.0...
[INFO] checking capped_collections-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate capped_collections 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate capped_collections 0.1.0
[INFO] finished tweaking crates.io crate capped_collections 0.1.0
[INFO] tweaked toml for crates.io crate capped_collections 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate capped_collections 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate capped_collections 0.1.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded delegate v0.13.2
[INFO] [stderr]   Downloaded corlib v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45f8d663a91290385182253ade38903bf3bf02c63f652a1f8fffa9fbd22eb519
[INFO] running `Command { std: "docker" "start" "-a" "45f8d663a91290385182253ade38903bf3bf02c63f652a1f8fffa9fbd22eb519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45f8d663a91290385182253ade38903bf3bf02c63f652a1f8fffa9fbd22eb519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45f8d663a91290385182253ade38903bf3bf02c63f652a1f8fffa9fbd22eb519", kill_on_drop: false }`
[INFO] [stdout] 45f8d663a91290385182253ade38903bf3bf02c63f652a1f8fffa9fbd22eb519
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9b64514bf6729667c9d2b7a53c5d07dc27adb91346fe5377ce56c4c89197ae0
[INFO] running `Command { std: "docker" "start" "-a" "a9b64514bf6729667c9d2b7a53c5d07dc27adb91346fe5377ce56c4c89197ae0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling delegate v0.13.2
[INFO] [stderr]     Checking corlib v0.4.1
[INFO] [stderr]     Checking capped_collections v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ascii::escape_default`
[INFO] [stdout]  --> src/capped_vec.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{array, ascii::escape_default, fmt::Display, mem, ops::{Index, IndexMut}, slice::{Iter, IterMut}};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ascii::escape_default`
[INFO] [stdout]  --> src/capped_vec.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{array, ascii::escape_default, fmt::Display, mem, ops::{Index, IndexMut}, slice::{Iter, IterMut}};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.79s
[INFO] running `Command { std: "docker" "inspect" "a9b64514bf6729667c9d2b7a53c5d07dc27adb91346fe5377ce56c4c89197ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b64514bf6729667c9d2b7a53c5d07dc27adb91346fe5377ce56c4c89197ae0", kill_on_drop: false }`
[INFO] [stdout] a9b64514bf6729667c9d2b7a53c5d07dc27adb91346fe5377ce56c4c89197ae0