[INFO] fetching crate scroll 0.13.0...
[INFO] testing scroll-0.13.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate scroll 0.13.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate scroll 0.13.0
[INFO] finished tweaking crates.io crate scroll 0.13.0
[INFO] tweaked toml for crates.io crate scroll 0.13.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scroll 0.13.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate scroll 0.13.0 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.60
[INFO] [stderr]   Downloaded unicode-ident v1.0.9
[INFO] [stderr]   Downloaded quote v1.0.28
[INFO] [stderr]   Downloaded scroll_derive v0.13.0
[INFO] [stderr]   Downloaded syn v2.0.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b1579453e63cdac2050c3d840285fa1a1766ef4366a336612ab7e9f43e2eb07
[INFO] running `Command { std: "docker" "start" "-a" "8b1579453e63cdac2050c3d840285fa1a1766ef4366a336612ab7e9f43e2eb07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b1579453e63cdac2050c3d840285fa1a1766ef4366a336612ab7e9f43e2eb07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b1579453e63cdac2050c3d840285fa1a1766ef4366a336612ab7e9f43e2eb07", kill_on_drop: false }`
[INFO] [stdout] 8b1579453e63cdac2050c3d840285fa1a1766ef4366a336612ab7e9f43e2eb07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 142a5448faa5252f81e9f96d4d4556e33cdf5084965486148a668d7504b7479a
[INFO] running `Command { std: "docker" "start" "-a" "142a5448faa5252f81e9f96d4d4556e33cdf5084965486148a668d7504b7479a", kill_on_drop: false }`
[INFO] [stderr]    Compiling scroll v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "142a5448faa5252f81e9f96d4d4556e33cdf5084965486148a668d7504b7479a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "142a5448faa5252f81e9f96d4d4556e33cdf5084965486148a668d7504b7479a", kill_on_drop: false }`
[INFO] [stdout] 142a5448faa5252f81e9f96d4d4556e33cdf5084965486148a668d7504b7479a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc1eeb7a98a4661ebb99f3492d675937d5aed073066d12abc105264c61b1bfd5
[INFO] running `Command { std: "docker" "start" "-a" "dc1eeb7a98a4661ebb99f3492d675937d5aed073066d12abc105264c61b1bfd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling scroll v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ExternalError` is never constructed
[INFO] [stdout]    --> src/lib.rs:433:16
[INFO] [stdout]     |
[INFO] [stdout] 433 |     pub struct ExternalError {}
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]    --> src/lib.rs:461:16
[INFO] [stdout]     |
[INFO] [stdout] 461 |     pub struct Foo(u16);
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "dc1eeb7a98a4661ebb99f3492d675937d5aed073066d12abc105264c61b1bfd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc1eeb7a98a4661ebb99f3492d675937d5aed073066d12abc105264c61b1bfd5", kill_on_drop: false }`
[INFO] [stdout] dc1eeb7a98a4661ebb99f3492d675937d5aed073066d12abc105264c61b1bfd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 74d48f2fab1c50179e549b8c120a7ea5ca39777912cd428252db6f866c107df2
[INFO] running `Command { std: "docker" "start" "-a" "74d48f2fab1c50179e549b8c120a7ea5ca39777912cd428252db6f866c107df2", kill_on_drop: false }`
[INFO] [stderr] warning: struct `ExternalError` is never constructed
[INFO] [stderr]    --> src/lib.rs:433:16
[INFO] [stderr]     |
[INFO] [stderr] 433 |     pub struct ExternalError {}
[INFO] [stderr]     |                ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Foo` is never constructed
[INFO] [stderr]    --> src/lib.rs:461:16
[INFO] [stderr]     |
[INFO] [stderr] 461 |     pub struct Foo(u16);
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `scroll` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scroll-1d7265419c694eec)
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test leb128::tests::sleb128 ... ok
[INFO] [stdout] test leb128::tests::uleb128 ... ok
[INFO] [stdout] test ctx::tests::round_trip_a_c_str ... ok
[INFO] [stdout] test ctx::tests::parse_a_cstr ... ok
[INFO] [stdout] test leb128::tests::uleb_size ... ok
[INFO] [stdout] test tests::gread_f64 ... ok
[INFO] [stdout] test tests::gread_f32 ... ok
[INFO] [stdout] test tests::gread_gwrite_f32_2 ... ok
[INFO] [stdout] test tests::gread_gwrite_f32_1 ... ok
[INFO] [stdout] test tests::gread_gwrite_f32_3 ... ok
[INFO] [stdout] test tests::gread_gwrite_f64_2 ... ok
[INFO] [stdout] test tests::gread_gwrite_f64_3 ... ok
[INFO] [stdout] test tests::gread_gwrite_i32_2 ... ok
[INFO] [stdout] test tests::gread_gwrite_i32_3 ... ok
[INFO] [stdout] test tests::gread_gwrite_i64_1 ... ok
[INFO] [stdout] test tests::gread_gwrite_i64_2 ... ok
[INFO] [stdout] test tests::gread_gwrite_i64_3 ... ok
[INFO] [stdout] test tests::gread_inout ... ok
[INFO] [stdout] test tests::gread_with_byte ... ok
[INFO] [stdout] test tests::gread_with_iter_bytes ... ok
[INFO] [stdout] test tests::pread ... ok
[INFO] [stdout] test tests::pread_str ... ok
[INFO] [stdout] test tests::pread_str_weird ... ok
[INFO] [stdout] test tests::pread_slice ... ok
[INFO] [stdout] test tests::pwrite_and_pread_roundtrip_i64 ... ok
[INFO] [stdout] test tests::pwrite_and_pread_roundtrip_u32 ... ok
[INFO] [stdout] test tests::pread_with_be ... ok
[INFO] [stdout] test tests::pwrite_and_pread_roundtrip_i32 ... ok
[INFO] [stdout] test tests::simple_gread_u16 ... ok
[INFO] [stdout] test tests::simple_gread_i64 ... ok
[INFO] [stdout] test tests::simple_gread_u32 ... ok
[INFO] [stdout] test tests::test_measurable ... ok
[INFO] [stdout] test tests::pwrite_str_and_bytes ... ok
[INFO] [stdout] test tests::test_measure_with_bytes ... ok
[INFO] [stdout] test tests::gread_slice ... ok
[INFO] [stdout] test tests::gread_gwrite_i32_1 ... ok
[INFO] [stdout] test tests::gread_gwrite_f64_1 ... ok
[INFO] [stdout] test tests::pwrite_and_pread_roundtrip_u64 ... ok
[INFO] [stdout] test tests::pread_with_iter_bytes ... ok
[INFO] [stdout] test tests::simple_gread_u64 ... ok
[INFO] [stdout] test tests::pwrite_and_pread_roundtrip_i16 ... ok
[INFO] [stdout] test tests::pwrite_and_pread_roundtrip_u16 ... ok
[INFO] [stderr]    Doc-tests scroll
[INFO] [stdout] test leb128::tests::uleb128_overflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test src/greater.rs - greater::Cread (line 12) ... ok
[INFO] [stdout] test src/ctx.rs - ctx::TryFromCtx (line 287) ... ok
[INFO] [stdout] test src/ctx.rs - ctx::TryIntoCtx (line 347) ... ok
[INFO] [stdout] test src/ctx.rs - ctx (line 51) ... ok
[INFO] [stdout] test src/greater.rs - greater::Cread::cread (line 69) ... ok
[INFO] [stdout] test src/ctx.rs - ctx::TryFromCtx (line 262) ... ok
[INFO] [stdout] test src/greater.rs - greater::Cread::cread_with (line 45) ... ok
[INFO] [stdout] test src/greater.rs - greater::Cwrite (line 104) ... ok
[INFO] [stdout] test src/pread.rs - pread::Pread::gread_inout_with (line 146) ... ok
[INFO] [stdout] test src/pread.rs - pread::Pread::pread (line 53) ... ok
[INFO] [stdout] test src/pread.rs - pread::Pread::gread_with (line 106) ... ok
[INFO] [stdout] test src/lib.rs - (line 172) ... ok
[INFO] [stdout] test src/greater.rs - greater::Cwrite::cwrite (line 131) ... ok
[INFO] [stdout] test src/pread.rs - pread::Pread::pread_with (line 70) ... ok
[INFO] [stdout] test src/pread.rs - pread::Pread::gread_inout (line 121) ... ok
[INFO] [stdout] test src/pread.rs - pread::Pread::gread (line 87) ... ok
[INFO] [stdout] test src/pwrite.rs - pwrite::Pwrite::pwrite_with (line 48) ... ok
[INFO] [stdout] test src/lib.rs - (line 149) ... ok
[INFO] [stdout] test src/lib.rs - (line 121) ... ok
[INFO] [stdout] test src/lesser.rs - lesser::IOwrite::iowrite_with (line 156) ... ok
[INFO] [stdout] test src/lesser.rs - lesser::IOread (line 18) ... ok
[INFO] [stdout] test src/lesser.rs - lesser::IOread::ioread (line 63) ... ok
[INFO] [stdout] test src/lesser.rs - lesser::IOwrite::iowrite (line 128) ... ok
[INFO] [stdout] test src/lesser.rs - lesser::IOread::ioread_with (line 90) ... ok
[INFO] [stdout] test src/greater.rs - greater::Cwrite::cwrite_with (line 151) ... ok
[INFO] [stdout] test src/lib.rs - (line 55) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "74d48f2fab1c50179e549b8c120a7ea5ca39777912cd428252db6f866c107df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d48f2fab1c50179e549b8c120a7ea5ca39777912cd428252db6f866c107df2", kill_on_drop: false }`
[INFO] [stdout] 74d48f2fab1c50179e549b8c120a7ea5ca39777912cd428252db6f866c107df2