[INFO] fetching crate bex 0.2.0...
[INFO] checking bex-0.2.0 against master#a77659a1e1807ba567f513afe59115af2604dc30 for pr-103029-3
[INFO] extracting crate bex 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate bex 0.2.0 on toolchain a77659a1e1807ba567f513afe59115af2604dc30
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a77659a1e1807ba567f513afe59115af2604dc30" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bex 0.2.0
[INFO] finished tweaking crates.io crate bex 0.2.0
[INFO] tweaked toml for crates.io crate bex 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate bex 0.2.0 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" "+a77659a1e1807ba567f513afe59115af2604dc30" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrayref v0.3.7
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.93
[INFO] [stderr]   Downloaded iana-time-zone v0.1.54
[INFO] [stderr]   Downloaded proc-macro2 v1.0.53
[INFO] [stderr]   Downloaded boxcar v0.1.0
[INFO] [stderr]   Downloaded dashmap v5.4.0
[INFO] [stderr]   Downloaded cxx-build v1.0.93
[INFO] [stderr]   Downloaded simplelog v0.5.3
[INFO] [stderr]   Downloaded libc v0.2.140
[INFO] [stderr]   Downloaded syn v2.0.10
[INFO] [stderr]   Downloaded windows v0.46.0
[INFO] [stderr]   Downloaded cxx v1.0.93
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+a77659a1e1807ba567f513afe59115af2604dc30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b495791a4f4fbf2e91b65761e6080c67599a4368f41c0c1c0e309b2e8e0b6c8
[INFO] running `Command { std: "docker" "start" "-a" "4b495791a4f4fbf2e91b65761e6080c67599a4368f41c0c1c0e309b2e8e0b6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b495791a4f4fbf2e91b65761e6080c67599a4368f41c0c1c0e309b2e8e0b6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b495791a4f4fbf2e91b65761e6080c67599a4368f41c0c1c0e309b2e8e0b6c8", kill_on_drop: false }`
[INFO] [stdout] 4b495791a4f4fbf2e91b65761e6080c67599a4368f41c0c1c0e309b2e8e0b6c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+a77659a1e1807ba567f513afe59115af2604dc30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef8c098ea65515a575ccff69e6e688ed0fa344a086a8ffd5dfc05887de796a77
[INFO] running `Command { std: "docker" "start" "-a" "ef8c098ea65515a575ccff69e6e688ed0fa344a086a8ffd5dfc05887de796a77", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking iana-time-zone v0.1.54
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling bex v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking boxcar v0.1.0
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking concurrent-queue v2.1.0
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking dashmap v5.4.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chrono v0.4.24
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/swap.rs:304:19
[INFO] [stdout]     |
[INFO] [stdout] 304 |       if let Some(mut ixrc) = row.hm.get_mut(&vhl.hilo()) {
[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/swap.rs:304:19
[INFO] [stdout]     |
[INFO] [stdout] 304 |       if let Some(mut ixrc) = row.hm.get_mut(&vhl.hilo()) {
[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 13.85s
[INFO] running `Command { std: "docker" "inspect" "ef8c098ea65515a575ccff69e6e688ed0fa344a086a8ffd5dfc05887de796a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef8c098ea65515a575ccff69e6e688ed0fa344a086a8ffd5dfc05887de796a77", kill_on_drop: false }`
[INFO] [stdout] ef8c098ea65515a575ccff69e6e688ed0fa344a086a8ffd5dfc05887de796a77