[INFO] fetching crate uciengine 0.1.33...
[INFO] building uciengine-0.1.33 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate uciengine 0.1.33 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate uciengine 0.1.33
[INFO] finished tweaking crates.io crate uciengine 0.1.33
[INFO] tweaked toml for crates.io crate uciengine 0.1.33 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uciengine 0.1.33 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate uciengine 0.1.33 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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 quote v1.0.8
[INFO] [stderr]   Downloaded parking_lot_core v0.8.2
[INFO] [stderr]   Downloaded tokio-macros v1.0.0
[INFO] [stderr]   Downloaded lock_api v0.4.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded pin-project-lite v0.2.4
[INFO] [stderr]   Downloaded envor v0.1.5
[INFO] [stderr]   Downloaded thiserror-impl v1.0.23
[INFO] [stderr]   Downloaded thread_local v1.1.0
[INFO] [stderr]   Downloaded thiserror v1.0.23
[INFO] [stderr]   Downloaded env_logger v0.8.2
[INFO] [stderr]   Downloaded log v0.4.13
[INFO] [stderr]   Downloaded serde_derive v1.0.123
[INFO] [stderr]   Downloaded syn v1.0.60
[INFO] [stderr]   Downloaded miow v0.3.6
[INFO] [stderr]   Downloaded tokio v1.0.2
[INFO] [stderr]   Downloaded serde v1.0.123
[INFO] [stderr]   Downloaded libc v0.2.82
[INFO] [stderr]   Downloaded mio v0.7.7
[INFO] [stderr]   Downloaded regex-syntax v0.6.22
[INFO] [stderr]   Downloaded serde_json v1.0.61
[INFO] [stderr]   Downloaded regex v1.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8186ee5c87f5786e78e2eb27cfb5c788f02f666a4d1367b2c0a1c39845de473
[INFO] running `Command { std: "docker" "start" "-a" "f8186ee5c87f5786e78e2eb27cfb5c788f02f666a4d1367b2c0a1c39845de473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8186ee5c87f5786e78e2eb27cfb5c788f02f666a4d1367b2c0a1c39845de473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8186ee5c87f5786e78e2eb27cfb5c788f02f666a4d1367b2c0a1c39845de473", kill_on_drop: false }`
[INFO] [stdout] f8186ee5c87f5786e78e2eb27cfb5c788f02f666a4d1367b2c0a1c39845de473
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 167d38636a84850d60f570dc9dac6fcb5d46c517cb4148d6a05c04497f109db6
[INFO] running `Command { std: "docker" "start" "-a" "167d38636a84850d60f570dc9dac6fcb5d46c517cb4148d6a05c04497f109db6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.0.2
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling envor v0.1.5
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling uciengine v0.1.33 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::string::String::len` that must be used
[INFO] [stdout]    --> src/analysis.rs:191:1
[INFO] [stdout]     |
[INFO] [stdout] 191 | / gen_str_buff!(
[INFO] [stdout] 192 | | /// UciBuff
[INFO] [stdout] 193 | | => UciBuff, UCI_MAX_LENGTH,
[INFO] [stdout] 194 | | /// PvBuff
[INFO] [stdout] 195 | | => PvBuff, PV_BUFF_SIZE
[INFO] [stdout] 196 | | );
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 191 | let _ = gen_str_buff!(
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.93s
[INFO] running `Command { std: "docker" "inspect" "167d38636a84850d60f570dc9dac6fcb5d46c517cb4148d6a05c04497f109db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "167d38636a84850d60f570dc9dac6fcb5d46c517cb4148d6a05c04497f109db6", kill_on_drop: false }`
[INFO] [stdout] 167d38636a84850d60f570dc9dac6fcb5d46c517cb4148d6a05c04497f109db6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2dd90c0c1f9bf9fc95168ac0b57b233e1f290181238a7c712bc7bf160907644
[INFO] running `Command { std: "docker" "start" "-a" "e2dd90c0c1f9bf9fc95168ac0b57b233e1f290181238a7c712bc7bf160907644", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stdout] warning: unused return value of `std::string::String::len` that must be used
[INFO] [stdout]    --> src/analysis.rs:191:1
[INFO] [stdout]     |
[INFO] [stdout] 191 | / gen_str_buff!(
[INFO] [stdout] 192 | | /// UciBuff
[INFO] [stdout] 193 | | => UciBuff, UCI_MAX_LENGTH,
[INFO] [stdout] 194 | | /// PvBuff
[INFO] [stdout] 195 | | => PvBuff, PV_BUFF_SIZE
[INFO] [stdout] 196 | | );
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 191 | let _ = gen_str_buff!(
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling uciengine v0.1.33 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::string::String::len` that must be used
[INFO] [stdout]    --> src/analysis.rs:191:1
[INFO] [stdout]     |
[INFO] [stdout] 191 | / gen_str_buff!(
[INFO] [stdout] 192 | | /// UciBuff
[INFO] [stdout] 193 | | => UciBuff, UCI_MAX_LENGTH,
[INFO] [stdout] 194 | | /// PvBuff
[INFO] [stdout] 195 | | => PvBuff, PV_BUFF_SIZE
[INFO] [stdout] 196 | | );
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 191 | let _ = gen_str_buff!(
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.64s
[INFO] running `Command { std: "docker" "inspect" "e2dd90c0c1f9bf9fc95168ac0b57b233e1f290181238a7c712bc7bf160907644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2dd90c0c1f9bf9fc95168ac0b57b233e1f290181238a7c712bc7bf160907644", kill_on_drop: false }`
[INFO] [stdout] e2dd90c0c1f9bf9fc95168ac0b57b233e1f290181238a7c712bc7bf160907644