[INFO] fetching crate brs 0.2.0...
[INFO] checking brs-0.2.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate brs 0.2.0 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate brs 0.2.0 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brs 0.2.0
[INFO] finished tweaking crates.io crate brs 0.2.0
[INFO] tweaked toml for crates.io crate brs 0.2.0 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate crates.io crate brs 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79278d1bffa69fc38a8f63c345a258b8e4f7451323aa62b214357918605708b5
[INFO] running `Command { std: "docker" "start" "-a" "79278d1bffa69fc38a8f63c345a258b8e4f7451323aa62b214357918605708b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79278d1bffa69fc38a8f63c345a258b8e4f7451323aa62b214357918605708b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79278d1bffa69fc38a8f63c345a258b8e4f7451323aa62b214357918605708b5", kill_on_drop: false }`
[INFO] [stdout] 79278d1bffa69fc38a8f63c345a258b8e4f7451323aa62b214357918605708b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4afc4bdfc63d0a74d2e2c10a30a56221dbc60967bcf13e1466bb1f582d0b4189
[INFO] running `Command { std: "docker" "start" "-a" "4afc4bdfc63d0a74d2e2c10a30a56221dbc60967bcf13e1466bb1f582d0b4189", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking libflate_lz77 v1.0.0
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking libflate v1.0.0
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling num_enum_derive v0.4.3
[INFO] [stderr]     Checking num_enum v0.4.3
[INFO] [stderr]     Checking brs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `game_version`
[INFO] [stdout]   --> src/read.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     game_version: u32,
[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] [stdout] warning: field is never read: `game_version`
[INFO] [stdout]   --> src/read.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     game_version: u32,
[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]     Finished dev [unoptimized + debuginfo] target(s) in 17.83s
[INFO] running `Command { std: "docker" "inspect" "4afc4bdfc63d0a74d2e2c10a30a56221dbc60967bcf13e1466bb1f582d0b4189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4afc4bdfc63d0a74d2e2c10a30a56221dbc60967bcf13e1466bb1f582d0b4189", kill_on_drop: false }`
[INFO] [stdout] 4afc4bdfc63d0a74d2e2c10a30a56221dbc60967bcf13e1466bb1f582d0b4189