[INFO] fetching crate brs 0.2.0...
[INFO] testing brs-0.2.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate brs 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate brs 0.2.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-2/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libflate v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7946b8c1fb420c3e00cb01581945b66de4023215a19925bb2c769d438ef594f9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7946b8c1fb420c3e00cb01581945b66de4023215a19925bb2c769d438ef594f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7946b8c1fb420c3e00cb01581945b66de4023215a19925bb2c769d438ef594f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7946b8c1fb420c3e00cb01581945b66de4023215a19925bb2c769d438ef594f9", kill_on_drop: false }`
[INFO] [stdout] 7946b8c1fb420c3e00cb01581945b66de4023215a19925bb2c769d438ef594f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6f0d3efb01248b61e26793b9652b30c3ecfb32890e9a43d8fb90087d968abe3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b6f0d3efb01248b61e26793b9652b30c3ecfb32890e9a43d8fb90087d968abe3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling libflate_lz77 v1.0.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling libflate v1.0.0
[INFO] [stderr]    Compiling 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]    Compiling num_enum v0.4.3
[INFO] [stderr]    Compiling 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.60s
[INFO] running `Command { std: "docker" "inspect" "b6f0d3efb01248b61e26793b9652b30c3ecfb32890e9a43d8fb90087d968abe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f0d3efb01248b61e26793b9652b30c3ecfb32890e9a43d8fb90087d968abe3", kill_on_drop: false }`
[INFO] [stdout] b6f0d3efb01248b61e26793b9652b30c3ecfb32890e9a43d8fb90087d968abe3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddb87ed718c63311ea0dcf7c833370affdbea38a27c8a81fd2c015595fdb2832
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ddb87ed718c63311ea0dcf7c833370affdbea38a27c8a81fd2c015595fdb2832", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "ddb87ed718c63311ea0dcf7c833370affdbea38a27c8a81fd2c015595fdb2832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddb87ed718c63311ea0dcf7c833370affdbea38a27c8a81fd2c015595fdb2832", kill_on_drop: false }`
[INFO] [stdout] ddb87ed718c63311ea0dcf7c833370affdbea38a27c8a81fd2c015595fdb2832
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a5a754cf77e013ecd7f896c9aa04114e7bbd6f5424c9ee6b6a49d17f8c9684b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8a5a754cf77e013ecd7f896c9aa04114e7bbd6f5424c9ee6b6a49d17f8c9684b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `game_version`
[INFO] [stderr]   --> src/read.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     game_version: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `brs` (lib) generated 1 warning
[INFO] [stderr] warning: `brs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/brs-bcaa0919c54ce597)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/debug-c69361aa532a61f6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rewrite-427bd3499ba59262)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests brs
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/read.rs - read::ReaderAfterHeader1<R>::read_header2 (line 83) - compile ... ok
[INFO] [stdout] test src/read.rs - read::ReaderAfterHeader2<R>::into_write_data (line 160) - compile ... ok
[INFO] [stdout] test src/read.rs - read::Reader<R>::new (line 24) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 70) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 83) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 14) - compile ... ok
[INFO] [stdout] test src/read.rs - read::ReaderAfterHeader2<R>::iter_bricks_and_reader (line 129) - compile ... ok
[INFO] [stdout] test src/read.rs - read::ReaderAfterHeader2<R>::iter_bricks (line 107) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 44) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 31) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 59) - compile ... ok
[INFO] [stdout] test src/read.rs - read::Reader<R>::read_header1 (line 59) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8a5a754cf77e013ecd7f896c9aa04114e7bbd6f5424c9ee6b6a49d17f8c9684b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a5a754cf77e013ecd7f896c9aa04114e7bbd6f5424c9ee6b6a49d17f8c9684b", kill_on_drop: false }`
[INFO] [stdout] 8a5a754cf77e013ecd7f896c9aa04114e7bbd6f5424c9ee6b6a49d17f8c9684b