[INFO] fetching crate brs 0.2.0...
[INFO] testing brs-0.2.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate brs 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate brs 0.2.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 999c52611325d352819416438033d515543f01eef6aaaf90cf2aa966b479351f
[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" "999c52611325d352819416438033d515543f01eef6aaaf90cf2aa966b479351f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "999c52611325d352819416438033d515543f01eef6aaaf90cf2aa966b479351f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "999c52611325d352819416438033d515543f01eef6aaaf90cf2aa966b479351f", kill_on_drop: false }`
[INFO] [stdout] 999c52611325d352819416438033d515543f01eef6aaaf90cf2aa966b479351f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 66a4a61feb92037cb260826d6964d433f40bd82a314a207584c095588ce1e90d
[INFO] running `Command { std: "docker" "start" "-a" "66a4a61feb92037cb260826d6964d433f40bd82a314a207584c095588ce1e90d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling libflate_lz77 v1.0.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling uuid v0.8.1
[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 time v0.1.43
[INFO] [stderr]    Compiling quote v1.0.4
[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 31.54s
[INFO] running `Command { std: "docker" "inspect" "66a4a61feb92037cb260826d6964d433f40bd82a314a207584c095588ce1e90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66a4a61feb92037cb260826d6964d433f40bd82a314a207584c095588ce1e90d", kill_on_drop: false }`
[INFO] [stdout] 66a4a61feb92037cb260826d6964d433f40bd82a314a207584c095588ce1e90d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 470dd9e45ebe6ec1b8577721bef6bb85e0ef904128bd7609266ee915e98be275
[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" "470dd9e45ebe6ec1b8577721bef6bb85e0ef904128bd7609266ee915e98be275", 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 1.31s
[INFO] running `Command { std: "docker" "inspect" "470dd9e45ebe6ec1b8577721bef6bb85e0ef904128bd7609266ee915e98be275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "470dd9e45ebe6ec1b8577721bef6bb85e0ef904128bd7609266ee915e98be275", kill_on_drop: false }`
[INFO] [stdout] 470dd9e45ebe6ec1b8577721bef6bb85e0ef904128bd7609266ee915e98be275
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9f62b1329799a4cb43c3c0070dec16ecebedb0dec18c9d3217cab0b3147249de
[INFO] running `Command { std: "docker" "start" "-a" "9f62b1329799a4cb43c3c0070dec16ecebedb0dec18c9d3217cab0b3147249de", kill_on_drop: false }`
[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: 1 warning emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/brs-00dda7853880e7f6
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/debug-3d4b4d6c9ef20104
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rewrite-2df5e5aefabf91c5
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests brs
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/read.rs - read::ReaderAfterHeader1<R>::read_header2 (line 83) ... ok
[INFO] [stdout] test src/lib.rs - (line 44) ... ok
[INFO] [stdout] test src/lib.rs - (line 70) ... ok
[INFO] [stdout] test src/lib.rs - (line 83) ... ok
[INFO] [stdout] test src/lib.rs - (line 59) ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/read.rs - read::Reader<R>::new (line 24) ... ok
[INFO] [stdout] test src/read.rs - read::ReaderAfterHeader2<R>::into_write_data (line 160) ... ok
[INFO] [stdout] test src/read.rs - read::ReaderAfterHeader2<R>::iter_bricks (line 107) ... ok
[INFO] [stdout] test src/read.rs - read::Reader<R>::read_header1 (line 59) ... ok
[INFO] [stdout] test src/read.rs - read::ReaderAfterHeader2<R>::iter_bricks_and_reader (line 129) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9f62b1329799a4cb43c3c0070dec16ecebedb0dec18c9d3217cab0b3147249de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f62b1329799a4cb43c3c0070dec16ecebedb0dec18c9d3217cab0b3147249de", kill_on_drop: false }`
[INFO] [stdout] 9f62b1329799a4cb43c3c0070dec16ecebedb0dec18c9d3217cab0b3147249de