[INFO] crate sg 0.3.0 is already in cache
[INFO] extracting crate sg 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/sg/0.3.0
[INFO] extracting crate sg 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sg/0.3.0
[INFO] validating manifest of sg-0.3.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sg-0.3.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sg-0.3.0
[INFO] finished frobbing sg-0.3.0
[INFO] frobbed toml for sg-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/sg/0.3.0/Cargo.toml
[INFO] started frobbing sg-0.3.0
[INFO] finished frobbing sg-0.3.0
[INFO] frobbed toml for sg-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sg/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing sg-0.3.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sg/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 48995facaacecd47ac4a7a709e0689704bace20bb4aa44ceecc6f908823816d2
[INFO] running `"docker" "start" "-a" "48995facaacecd47ac4a7a709e0689704bace20bb4aa44ceecc6f908823816d2"`
[INFO] [stderr]    Compiling bindgen v0.43.2
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling sg v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:206:20
[INFO] [stderr]     |
[INFO] [stderr] 206 |         for (task, mut iovec) in tasks.iter().zip(iovecs.iter_mut()) {
[INFO] [stderr]     |                    ----^^^^^
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:232:14
[INFO] [stderr]     |
[INFO] [stderr] 232 |         for (mut hdr, mut iovec) in hdrs.iter_mut().zip(iovecs.iter_mut()) {
[INFO] [stderr]     |              ----^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:232:23
[INFO] [stderr]     |
[INFO] [stderr] 232 |         for (mut hdr, mut iovec) in hdrs.iter_mut().zip(iovecs.iter_mut()) {
[INFO] [stderr]     |                       ----^^^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.85s
[INFO] running `"docker" "inspect" "48995facaacecd47ac4a7a709e0689704bace20bb4aa44ceecc6f908823816d2"`
[INFO] running `"docker" "rm" "-f" "48995facaacecd47ac4a7a709e0689704bace20bb4aa44ceecc6f908823816d2"`
[INFO] [stdout] 48995facaacecd47ac4a7a709e0689704bace20bb4aa44ceecc6f908823816d2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sg/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7f50f4f77079004026c2e3facd22e0dfd6b8a1e19e972784d31a43f92816507f
[INFO] running `"docker" "start" "-a" "7f50f4f77079004026c2e3facd22e0dfd6b8a1e19e972784d31a43f92816507f"`
[INFO] [stderr]    Compiling sg v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:206:20
[INFO] [stderr]     |
[INFO] [stderr] 206 |         for (task, mut iovec) in tasks.iter().zip(iovecs.iter_mut()) {
[INFO] [stderr]     |                    ----^^^^^
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:232:14
[INFO] [stderr]     |
[INFO] [stderr] 232 |         for (mut hdr, mut iovec) in hdrs.iter_mut().zip(iovecs.iter_mut()) {
[INFO] [stderr]     |              ----^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:232:23
[INFO] [stderr]     |
[INFO] [stderr] 232 |         for (mut hdr, mut iovec) in hdrs.iter_mut().zip(iovecs.iter_mut()) {
[INFO] [stderr]     |                       ----^^^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `"docker" "inspect" "7f50f4f77079004026c2e3facd22e0dfd6b8a1e19e972784d31a43f92816507f"`
[INFO] running `"docker" "rm" "-f" "7f50f4f77079004026c2e3facd22e0dfd6b8a1e19e972784d31a43f92816507f"`
[INFO] [stdout] 7f50f4f77079004026c2e3facd22e0dfd6b8a1e19e972784d31a43f92816507f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sg/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b20bcabcfbeb4fad50c694cc20088bd794c2852aa9469917c07189d86e37076f
[INFO] running `"docker" "start" "-a" "b20bcabcfbeb4fad50c694cc20088bd794c2852aa9469917c07189d86e37076f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sg-f8aa74a3b9796762
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test::test_cdb ... ok
[INFO] [stdout] test sys::bindgen_test_layout_sg_iovec ... ok
[INFO] [stdout] test sys::bindgen_test_layout_sg_req_info ... ok
[INFO] [stdout] test sys::bindgen_test_layout_sg_header ... ok
[INFO] [stdout] test sys::bindgen_test_layout_sg_io_hdr ... ok
[INFO] [stdout] test sys::bindgen_test_layout_sg_scsi_id ... ok
[INFO] [stdout] test test::test_task_fields ... ok
[INFO] [stdout] test test::test_sys ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sg
[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] running `"docker" "inspect" "b20bcabcfbeb4fad50c694cc20088bd794c2852aa9469917c07189d86e37076f"`
[INFO] running `"docker" "rm" "-f" "b20bcabcfbeb4fad50c694cc20088bd794c2852aa9469917c07189d86e37076f"`
[INFO] [stdout] b20bcabcfbeb4fad50c694cc20088bd794c2852aa9469917c07189d86e37076f