[INFO] fetching crate packed_struct 0.6.0...
[INFO] testing packed_struct-0.6.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate packed_struct 0.6.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate packed_struct 0.6.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate packed_struct 0.6.0
[INFO] finished tweaking crates.io crate packed_struct 0.6.0
[INFO] tweaked toml for crates.io crate packed_struct 0.6.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded packed_struct_codegen v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3017ef6d6275f01d2ed2ae29a729ba670662f604b689a2abf588df27f0517247
[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" "3017ef6d6275f01d2ed2ae29a729ba670662f604b689a2abf588df27f0517247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3017ef6d6275f01d2ed2ae29a729ba670662f604b689a2abf588df27f0517247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3017ef6d6275f01d2ed2ae29a729ba670662f604b689a2abf588df27f0517247", kill_on_drop: false }`
[INFO] [stdout] 3017ef6d6275f01d2ed2ae29a729ba670662f604b689a2abf588df27f0517247
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9717f29e73bc6eb866668276ebc6160141d00ffedc60caa01034c5a90cd75f79
[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" "9717f29e73bc6eb866668276ebc6160141d00ffedc60caa01034c5a90cd75f79", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling packed_struct v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling packed_struct_codegen v0.6.0
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/types_generic.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         &mut output[..].copy_from_slice(&packed.as_bytes_slice());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` 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 22.51s
[INFO] running `Command { std: "docker" "inspect" "9717f29e73bc6eb866668276ebc6160141d00ffedc60caa01034c5a90cd75f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9717f29e73bc6eb866668276ebc6160141d00ffedc60caa01034c5a90cd75f79", kill_on_drop: false }`
[INFO] [stdout] 9717f29e73bc6eb866668276ebc6160141d00ffedc60caa01034c5a90cd75f79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--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] 807abdd726356557b86cd333c23ccc6bc3d8f619809c6a41216cc54418ea349c
[INFO] running `Command { std: "docker" "start" "-a" "807abdd726356557b86cd333c23ccc6bc3d8f619809c6a41216cc54418ea349c", kill_on_drop: false }`
[INFO] [stderr]    Compiling packed_struct v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/types_generic.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         &mut output[..].copy_from_slice(&packed.as_bytes_slice());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/types_generic.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         &mut output[..].copy_from_slice(&packed.as_bytes_slice());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` 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 4.12s
[INFO] running `Command { std: "docker" "inspect" "807abdd726356557b86cd333c23ccc6bc3d8f619809c6a41216cc54418ea349c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "807abdd726356557b86cd333c23ccc6bc3d8f619809c6a41216cc54418ea349c", kill_on_drop: false }`
[INFO] [stdout] 807abdd726356557b86cd333c23ccc6bc3d8f619809c6a41216cc54418ea349c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1bf8be817679baa3670dcef0dd63cbb4c7bfc2d151abe857447e03ca5115808c
[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" "1bf8be817679baa3670dcef0dd63cbb4c7bfc2d151abe857447e03ca5115808c", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/types_generic.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         &mut output[..].copy_from_slice(&packed.as_bytes_slice());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/types_generic.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         &mut output[..].copy_from_slice(&packed.as_bytes_slice());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/packed_struct-527aca2796b6cbd8)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test types_num::test_packed_int_lsb ... ok
[INFO] [stdout] test types_num::test_slice_packing ... ok
[INFO] [stdout] test types_num::test_struct_info ... ok
[INFO] [stdout] test types_num::test_u32 ... ok
[INFO] [stdout] test types_num::test_u8 ... ok
[INFO] [stdout] test types_num::test_sign_extension ... ok
[INFO] [stdout] test types_num::test_sign_extension_limits ... ok
[INFO] [stdout] test types_bits::test_byte_rotation ... ok
[INFO] [stdout] test types_num::test_roundtrip_u24 ... ok
[INFO] [stdout] test types_num::test_u64 ... ok
[INFO] [stdout] test types_num::test_big_slice_unpacking ... ok
[INFO] [stdout] test types_num::test_u16 ... ok
[INFO] [stdout] test types_num::test_roundtrip_u32 ... ok
[INFO] [stdout] test types_num::test_packed_int_partial ... ok
[INFO] [stdout] test types_num::test_packed_int_lsb_sub ... ok
[INFO] [stderr]    Doc-tests packed_struct
[INFO] [stdout] test types_num::test_packed_int_msb ... ok
[INFO] [stdout] test types_num::test_roundtrip_u20 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/lib.rs - (line 177) ... ok
[INFO] [stdout] test src/lib.rs - (line 53) ... ok
[INFO] [stdout] test src/lib.rs - (line 301) ... ok
[INFO] [stdout] test src/types_tuples.rs - types_tuples (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 272) ... ok
[INFO] [stdout] test src/lib.rs - (line 103) ... ok
[INFO] [stdout] test src/lib.rs - (line 152) ... ok
[INFO] [stdout] test src/lib.rs - (line 230) ... ok
[INFO] [stdout] test src/types_tuples.rs - types_tuples (line 7) ... ok
[INFO] [stdout] test src/lib.rs - (line 199) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1bf8be817679baa3670dcef0dd63cbb4c7bfc2d151abe857447e03ca5115808c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf8be817679baa3670dcef0dd63cbb4c7bfc2d151abe857447e03ca5115808c", kill_on_drop: false }`
[INFO] [stdout] 1bf8be817679baa3670dcef0dd63cbb4c7bfc2d151abe857447e03ca5115808c