[INFO] fetching crate bcount 0.1.0...
[INFO] checking bcount-0.1.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate bcount 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate bcount 0.1.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bcount 0.1.0
[INFO] finished tweaking crates.io crate bcount 0.1.0
[INFO] tweaked toml for crates.io crate bcount 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f7eeb707546c6c0f7c35a638aea0615a978c99b9634ad19fd13f9c91c0e473d4
[INFO] running `Command { std: "docker" "start" "-a" "f7eeb707546c6c0f7c35a638aea0615a978c99b9634ad19fd13f9c91c0e473d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7eeb707546c6c0f7c35a638aea0615a978c99b9634ad19fd13f9c91c0e473d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7eeb707546c6c0f7c35a638aea0615a978c99b9634ad19fd13f9c91c0e473d4", kill_on_drop: false }`
[INFO] [stdout] f7eeb707546c6c0f7c35a638aea0615a978c99b9634ad19fd13f9c91c0e473d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e95a8727e9c1744d783ee9b8f6242423874b27a2060d1f2f2a8bf17261f95921
[INFO] running `Command { std: "docker" "start" "-a" "e95a8727e9c1744d783ee9b8f6242423874b27a2060d1f2f2a8bf17261f95921", kill_on_drop: false }`
[INFO] [stderr]     Checking bcount v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]  --> benches/hash.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::hash::{Hash, SipHasher, Hasher};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]   --> benches/hash.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut s = SipHasher::new();
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::hash::SipHasher::new`: use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]   --> benches/hash.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut s = SipHasher::new();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "e95a8727e9c1744d783ee9b8f6242423874b27a2060d1f2f2a8bf17261f95921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e95a8727e9c1744d783ee9b8f6242423874b27a2060d1f2f2a8bf17261f95921", kill_on_drop: false }`
[INFO] [stdout] e95a8727e9c1744d783ee9b8f6242423874b27a2060d1f2f2a8bf17261f95921