[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 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 8cc0b323dc610e3d776c9701cce1b78e38b256ebf746665c10d91d7c122bfd57
[INFO] running `"docker" "start" "-a" "8cc0b323dc610e3d776c9701cce1b78e38b256ebf746665c10d91d7c122bfd57"`
[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 0.74s
[INFO] running `"docker" "inspect" "8cc0b323dc610e3d776c9701cce1b78e38b256ebf746665c10d91d7c122bfd57"`
[INFO] running `"docker" "rm" "-f" "8cc0b323dc610e3d776c9701cce1b78e38b256ebf746665c10d91d7c122bfd57"`
[INFO] [stdout] 8cc0b323dc610e3d776c9701cce1b78e38b256ebf746665c10d91d7c122bfd57
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 97edfefaa131fb7b5b5e5fea811fb4254151fde917e9525e610f297aa4f331d0
[INFO] running `"docker" "start" "-a" "97edfefaa131fb7b5b5e5fea811fb4254151fde917e9525e610f297aa4f331d0"`
[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 1.61s
[INFO] running `"docker" "inspect" "97edfefaa131fb7b5b5e5fea811fb4254151fde917e9525e610f297aa4f331d0"`
[INFO] running `"docker" "rm" "-f" "97edfefaa131fb7b5b5e5fea811fb4254151fde917e9525e610f297aa4f331d0"`
[INFO] [stdout] 97edfefaa131fb7b5b5e5fea811fb4254151fde917e9525e610f297aa4f331d0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 168e66b96ec46584290000477f47335d494d2f7f4c843f95a0c1f26b6bad1bd6
[INFO] running `"docker" "start" "-a" "168e66b96ec46584290000477f47335d494d2f7f4c843f95a0c1f26b6bad1bd6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/socketcan-1916c592f5d0421a
[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" "168e66b96ec46584290000477f47335d494d2f7f4c843f95a0c1f26b6bad1bd6"`
[INFO] running `"docker" "rm" "-f" "168e66b96ec46584290000477f47335d494d2f7f4c843f95a0c1f26b6bad1bd6"`
[INFO] [stdout] 168e66b96ec46584290000477f47335d494d2f7f4c843f95a0c1f26b6bad1bd6