[INFO] updating cached repository and-hom/rust_test_lib
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/and-hom/rust_test_lib
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/and-hom/rust_test_lib" "work/ex/beta-1.38-1/sources/1.37.0/gh/and-hom/rust_test_lib"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/and-hom/rust_test_lib'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/and-hom/rust_test_lib" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/and-hom/rust_test_lib"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/and-hom/rust_test_lib'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 70b92b8e14a33a8331867f21590d625acf39388f
[INFO] sha for GitHub repo and-hom/rust_test_lib: 70b92b8e14a33a8331867f21590d625acf39388f
[INFO] validating manifest of and-hom/rust_test_lib 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 and-hom/rust_test_lib 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 and-hom/rust_test_lib
[INFO] finished frobbing and-hom/rust_test_lib
[INFO] frobbed toml for and-hom/rust_test_lib written to work/ex/beta-1.38-1/sources/1.37.0/gh/and-hom/rust_test_lib/Cargo.toml
[INFO] started frobbing and-hom/rust_test_lib
[INFO] finished frobbing and-hom/rust_test_lib
[INFO] frobbed toml for and-hom/rust_test_lib written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/and-hom/rust_test_lib/Cargo.toml
[INFO] crate and-hom/rust_test_lib already has a lockfile, it will not be regenerated
[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] testing and-hom/rust_test_lib 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-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/and-hom/rust_test_lib:/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] b28c857692524d78ed95b7fb816116fb0929740ac08bec9271608506589d8079
[INFO] running `"docker" "start" "-a" "b28c857692524d78ed95b7fb816116fb0929740ac08bec9271608506589d8079"`
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]    Compiling bincode v1.0.0
[INFO] [stderr]    Compiling rust_test_lib v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/memory/mod.rs:39:28
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn new<TData>() -> Box<Storage<TData>> where TData: 'static + Clone {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Storage<TData>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/disk/mod.rs:81:42
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub fn new<TData>(base_dir: &str) -> Box<Storage<TData>>
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Storage<TData>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:56:18
[INFO] [stderr]    |
[INFO] [stderr] 56 |     INTERNAL(Box<error::Error>),
[INFO] [stderr]    |                  ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:76:32
[INFO] [stderr]    |
[INFO] [stderr] 76 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:95:18
[INFO] [stderr]    |
[INFO] [stderr] 95 |     INTERNAL(Box<error::Error>),
[INFO] [stderr]    |                  ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:117:32
[INFO] [stderr]     |
[INFO] [stderr] 117 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:136:18
[INFO] [stderr]     |
[INFO] [stderr] 136 |     INTERNAL(Box<error::Error>),
[INFO] [stderr]     |                  ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:158:32
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.19s
[INFO] running `"docker" "inspect" "b28c857692524d78ed95b7fb816116fb0929740ac08bec9271608506589d8079"`
[INFO] running `"docker" "rm" "-f" "b28c857692524d78ed95b7fb816116fb0929740ac08bec9271608506589d8079"`
[INFO] [stdout] b28c857692524d78ed95b7fb816116fb0929740ac08bec9271608506589d8079
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/and-hom/rust_test_lib:/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] 05c2c96fd6e8fa092fafe6a8f767caa2d9598585205b78fb31ab84f853188bca
[INFO] running `"docker" "start" "-a" "05c2c96fd6e8fa092fafe6a8f767caa2d9598585205b78fb31ab84f853188bca"`
[INFO] [stderr]    Compiling rust_test_lib v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/memory/mod.rs:39:28
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn new<TData>() -> Box<Storage<TData>> where TData: 'static + Clone {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Storage<TData>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/disk/mod.rs:81:42
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub fn new<TData>(base_dir: &str) -> Box<Storage<TData>>
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Storage<TData>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test/mod.rs:25:23
[INFO] [stderr]    |
[INFO] [stderr] 25 |     storages: Vec<Box<Storage<TData>>>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Storage<TData>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test/mod.rs:41:37
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn test_store(storage: &mut Box<Storage<TData>>, conf: &TestConf<TData>) {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Storage<TData>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test/mod.rs:48:41
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn test_overwrite(storage: &mut Box<Storage<TData>>, conf: &TestConf<TData>) {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Storage<TData>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test/mod.rs:56:38
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn test_remove(storage: &mut Box<Storage<TData>>, conf: &TestConf<TData>) {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Storage<TData>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:56:18
[INFO] [stderr]    |
[INFO] [stderr] 56 |     INTERNAL(Box<error::Error>),
[INFO] [stderr]    |                  ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:76:32
[INFO] [stderr]    |
[INFO] [stderr] 76 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:95:18
[INFO] [stderr]    |
[INFO] [stderr] 95 |     INTERNAL(Box<error::Error>),
[INFO] [stderr]    |                  ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:117:32
[INFO] [stderr]     |
[INFO] [stderr] 117 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:136:18
[INFO] [stderr]     |
[INFO] [stderr] 136 |     INTERNAL(Box<error::Error>),
[INFO] [stderr]     |                  ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:158:32
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `"docker" "inspect" "05c2c96fd6e8fa092fafe6a8f767caa2d9598585205b78fb31ab84f853188bca"`
[INFO] running `"docker" "rm" "-f" "05c2c96fd6e8fa092fafe6a8f767caa2d9598585205b78fb31ab84f853188bca"`
[INFO] [stdout] 05c2c96fd6e8fa092fafe6a8f767caa2d9598585205b78fb31ab84f853188bca
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/and-hom/rust_test_lib:/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] 66c703e0c7326328c2ae72317a690b5b50c94156fd5364faae826f75480a936d
[INFO] running `"docker" "start" "-a" "66c703e0c7326328c2ae72317a690b5b50c94156fd5364faae826f75480a936d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_test_lib-f8fba46de7cae096
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::test_string ... ok
[INFO] [stdout] test test::test_str_mem ... ok
[INFO] [stderr]    Doc-tests rust_test_lib
[INFO] [stdout] test test::test_i32 ... ok
[INFO] [stdout] test test::test_custom_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Storage (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "66c703e0c7326328c2ae72317a690b5b50c94156fd5364faae826f75480a936d"`
[INFO] running `"docker" "rm" "-f" "66c703e0c7326328c2ae72317a690b5b50c94156fd5364faae826f75480a936d"`
[INFO] [stdout] 66c703e0c7326328c2ae72317a690b5b50c94156fd5364faae826f75480a936d