[INFO] fetching crate memchr 2.6.4...
[INFO] checking memchr-2.6.4 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2
[INFO] extracting crate memchr 2.6.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate memchr 2.6.4 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 memchr 2.6.4
[INFO] finished tweaking crates.io crate memchr 2.6.4
[INFO] tweaked toml for crates.io crate memchr 2.6.4 written to /workspace/builds/worker-0-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 11 packages
[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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-std-workspace-core v1.0.0
[INFO] [stderr]   Downloaded compiler_builtins v0.1.108
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c03cccb17f077a3c956b974dc0119c1acc76871956e1007bbc4365562ca57fa1
[INFO] running `Command { std: "docker" "start" "-a" "c03cccb17f077a3c956b974dc0119c1acc76871956e1007bbc4365562ca57fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c03cccb17f077a3c956b974dc0119c1acc76871956e1007bbc4365562ca57fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c03cccb17f077a3c956b974dc0119c1acc76871956e1007bbc4365562ca57fa1", kill_on_drop: false }`
[INFO] [stdout] c03cccb17f077a3c956b974dc0119c1acc76871956e1007bbc4365562ca57fa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ac4117306b13438244fd7f6db45e767d3b6cfcb0ead7dda80d691e0c9888f1a5
[INFO] running `Command { std: "docker" "start" "-a" "ac4117306b13438244fd7f6db45e767d3b6cfcb0ead7dda80d691e0c9888f1a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking memchr v2.6.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Byte` is never used
[INFO] [stdout]   --> src/ext.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub(crate) trait Byte {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `Command { std: "docker" "inspect" "ac4117306b13438244fd7f6db45e767d3b6cfcb0ead7dda80d691e0c9888f1a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac4117306b13438244fd7f6db45e767d3b6cfcb0ead7dda80d691e0c9888f1a5", kill_on_drop: false }`
[INFO] [stdout] ac4117306b13438244fd7f6db45e767d3b6cfcb0ead7dda80d691e0c9888f1a5