[INFO] crate socketcan 1.7.0 is already in cache
[INFO] extracting crate socketcan 1.7.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/socketcan/1.7.0
[INFO] extracting crate socketcan 1.7.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/socketcan/1.7.0
[INFO] validating manifest of socketcan-1.7.0 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 socketcan-1.7.0 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 socketcan-1.7.0
[INFO] finished frobbing socketcan-1.7.0
[INFO] frobbed toml for socketcan-1.7.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/socketcan/1.7.0/Cargo.toml
[INFO] started frobbing socketcan-1.7.0
[INFO] finished frobbing socketcan-1.7.0
[INFO] frobbed toml for socketcan-1.7.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/socketcan/1.7.0/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing socketcan-1.7.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/socketcan/1.7.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 75d2fdebee139f5436e31a16f8af169b616ec9a843da54849f46467ef229b476
[INFO] running `"docker" "start" "-a" "75d2fdebee139f5436e31a16f8af169b616ec9a843da54849f46467ef229b476"`
[INFO] [stderr]    Compiling socketcan v1.7.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:180:32
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "75d2fdebee139f5436e31a16f8af169b616ec9a843da54849f46467ef229b476"`
[INFO] running `"docker" "rm" "-f" "75d2fdebee139f5436e31a16f8af169b616ec9a843da54849f46467ef229b476"`
[INFO] [stdout] 75d2fdebee139f5436e31a16f8af169b616ec9a843da54849f46467ef229b476
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/socketcan/1.7.0:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] e4ffaf84720c54b7f7010ee9b3021a758fd7868c97833a7ecab58a123a4fd1d7
[INFO] running `"docker" "start" "-a" "e4ffaf84720c54b7f7010ee9b3021a758fd7868c97833a7ecab58a123a4fd1d7"`
[INFO] [stderr]    Compiling socketcan v1.7.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::time`
[INFO] [stderr]  --> src/tests.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::time;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ShouldRetry`
[INFO] [stderr]  --> src/tests.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use {CANSocket, ShouldRetry};
[INFO] [stderr]   |                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:180:32
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "e4ffaf84720c54b7f7010ee9b3021a758fd7868c97833a7ecab58a123a4fd1d7"`
[INFO] running `"docker" "rm" "-f" "e4ffaf84720c54b7f7010ee9b3021a758fd7868c97833a7ecab58a123a4fd1d7"`
[INFO] [stdout] e4ffaf84720c54b7f7010ee9b3021a758fd7868c97833a7ecab58a123a4fd1d7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/socketcan/1.7.0:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 6244411d3d67c5c8e84f059512ef157f1001d0020a7dc509729f9855c5a9efa8
[INFO] running `"docker" "start" "-a" "6244411d3d67c5c8e84f059512ef157f1001d0020a7dc509729f9855c5a9efa8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/socketcan-d6d72cd62070d70c
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_nonexistant_device ... ok
[INFO] [stdout] test dump::test::test_simple_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests socketcan
[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" "6244411d3d67c5c8e84f059512ef157f1001d0020a7dc509729f9855c5a9efa8"`
[INFO] running `"docker" "rm" "-f" "6244411d3d67c5c8e84f059512ef157f1001d0020a7dc509729f9855c5a9efa8"`
[INFO] [stdout] 6244411d3d67c5c8e84f059512ef157f1001d0020a7dc509729f9855c5a9efa8