[INFO] fetching crate chashmap-next 2.2.3...
[INFO] checking chashmap-next-2.2.3 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate chashmap-next 2.2.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate chashmap-next 2.2.3 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chashmap-next 2.2.3
[INFO] finished tweaking crates.io crate chashmap-next 2.2.3
[INFO] tweaked toml for crates.io crate chashmap-next 2.2.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac19e38a537bb447e92bf1c517658945eebc52868477b89236e1a3bbfeaf33e9
[INFO] running `Command { std: "docker" "start" "-a" "ac19e38a537bb447e92bf1c517658945eebc52868477b89236e1a3bbfeaf33e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac19e38a537bb447e92bf1c517658945eebc52868477b89236e1a3bbfeaf33e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac19e38a537bb447e92bf1c517658945eebc52868477b89236e1a3bbfeaf33e9", kill_on_drop: false }`
[INFO] [stdout] ac19e38a537bb447e92bf1c517658945eebc52868477b89236e1a3bbfeaf33e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 754e5fe2b0e19dceadaec1959da1637d586aa060ed151f2d35b01ec481bc4cfa
[INFO] running `Command { std: "docker" "start" "-a" "754e5fe2b0e19dceadaec1959da1637d586aa060ed151f2d35b01ec481bc4cfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking chashmap-next v2.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:466:21
[INFO] [stdout]     |
[INFO] [stdout] 466 |                 let mut bucket = self.scan_mut_no_lock(&key, |x| match *x {
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:466:21
[INFO] [stdout]     |
[INFO] [stdout] 466 |                 let mut bucket = self.scan_mut_no_lock(&key, |x| match *x {
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` 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 2.01s
[INFO] running `Command { std: "docker" "inspect" "754e5fe2b0e19dceadaec1959da1637d586aa060ed151f2d35b01ec481bc4cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "754e5fe2b0e19dceadaec1959da1637d586aa060ed151f2d35b01ec481bc4cfa", kill_on_drop: false }`
[INFO] [stdout] 754e5fe2b0e19dceadaec1959da1637d586aa060ed151f2d35b01ec481bc4cfa
