[INFO] fetching crate sval_buffer 2.10.2...
[INFO] checking sval_buffer-2.10.2 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate sval_buffer 2.10.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate sval_buffer 2.10.2 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sval_buffer 2.10.2
[INFO] finished tweaking crates.io crate sval_buffer 2.10.2
[INFO] tweaked toml for crates.io crate sval_buffer 2.10.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sval_test v2.13.0
[INFO] [stderr]   Downloaded sval_derive_macros v2.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 000e1b84f494e1ed0629cae15850ff8c8d8fff138b24c13f9068b91d4402c355
[INFO] running `Command { std: "docker" "start" "-a" "000e1b84f494e1ed0629cae15850ff8c8d8fff138b24c13f9068b91d4402c355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "000e1b84f494e1ed0629cae15850ff8c8d8fff138b24c13f9068b91d4402c355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "000e1b84f494e1ed0629cae15850ff8c8d8fff138b24c13f9068b91d4402c355", kill_on_drop: false }`
[INFO] [stdout] 000e1b84f494e1ed0629cae15850ff8c8d8fff138b24c13f9068b91d4402c355
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59f62760343c9594ff97cfa38064388b96db1758465381e5d604bb15426abff3
[INFO] running `Command { std: "docker" "start" "-a" "59f62760343c9594ff97cfa38064388b96db1758465381e5d604bb15426abff3", kill_on_drop: false }`
[INFO] [stderr]     Checking sval v2.13.0
[INFO] [stderr]    Compiling sval_derive_macros v2.13.0
[INFO] [stderr]     Checking sval_fmt v2.13.0
[INFO] [stderr]     Checking sval_ref v2.13.0
[INFO] [stderr]     Checking sval_test v2.13.0
[INFO] [stderr]     Checking sval_buffer v2.10.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `collections`, `convert`, `hash`, `result`, `str`, `string`
[INFO] [stdout]   --> src/lib.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |         alloc::{borrow, boxed, collections, string, vec},
[INFO] [stdout]    |                                ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 32 |         core::{convert, fmt, hash, marker, mem, ops, result, str},
[INFO] [stdout]    |                ^^^^^^^       ^^^^                    ^^^^^^  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mem` is imported redundantly
[INFO] [stdout]     --> src/value.rs:1111:15
[INFO] [stdout]      |
[INFO] [stdout] 1108 |     use super::*;
[INFO] [stdout]      |         -------- the item `mem` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 1111 |         std::{mem, ops::Range},
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BinaryBuf` is imported redundantly
[INFO] [stdout]     --> src/value.rs:1112:9
[INFO] [stdout]      |
[INFO] [stdout] 1108 |     use super::*;
[INFO] [stdout]      |         -------- the item `BinaryBuf` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 1112 |         BinaryBuf, TextBuf,
[INFO] [stdout]      |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TextBuf` is imported redundantly
[INFO] [stdout]     --> src/value.rs:1112:20
[INFO] [stdout]      |
[INFO] [stdout] 1108 |     use super::*;
[INFO] [stdout]      |         -------- the item `TextBuf` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 1112 |         BinaryBuf, TextBuf,
[INFO] [stdout]      |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections`, `convert`, `hash`, `result`, `str`
[INFO] [stdout]   --> src/lib.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |         alloc::{borrow, boxed, collections, string, vec},
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 32 |         core::{convert, fmt, hash, marker, mem, ops, result, str},
[INFO] [stdout]    |                ^^^^^^^       ^^^^                    ^^^^^^  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mem` is imported redundantly
[INFO] [stdout]     --> src/value.rs:1111:15
[INFO] [stdout]      |
[INFO] [stdout] 1108 |     use super::*;
[INFO] [stdout]      |         -------- the item `mem` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 1111 |         std::{mem, ops::Range},
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "59f62760343c9594ff97cfa38064388b96db1758465381e5d604bb15426abff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59f62760343c9594ff97cfa38064388b96db1758465381e5d604bb15426abff3", kill_on_drop: false }`
[INFO] [stdout] 59f62760343c9594ff97cfa38064388b96db1758465381e5d604bb15426abff3