[INFO] updating cached repository https://github.com/ityy/rust_study
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 948adf597cdea4fea3ce0c3c3f24dd77d7c236df
[INFO] testing ityy/rust_study against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fityy%2Frust_study" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ityy/rust_study on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ityy/rust_study
[INFO] finished tweaking git repo https://github.com/ityy/rust_study
[INFO] tweaked toml for git repo https://github.com/ityy/rust_study written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ityy/rust_study already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] d844d0723a7e7839e918095a90273737b7b4366bf3153e20d590904d77d779b7
[INFO] running `"docker" "start" "-a" "d844d0723a7e7839e918095a90273737b7b4366bf3153e20d590904d77d779b7"`
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]    Compiling miniz_oxide v0.3.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling publicsuffix v1.5.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling http_req v0.5.3
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.3
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling flate2 v1.0.9
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling iron v0.6.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling router v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling reqwest v0.9.19
[INFO] [stderr]    Compiling rust_study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/httpT.rs:9:27
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn h1() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[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/httpT.rs:16:27
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn h2() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/futures_test/error.rs:23:32
[INFO] [stderr]    |
[INFO] [stderr] 23 |     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/futures_test/error.rs:43:32
[INFO] [stderr]    |
[INFO] [stderr] 43 |     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/futures_test/future_031_single.rs:34:22
[INFO] [stderr]    |
[INFO] [stderr] 34 |     type Error = Box<Error>;
[INFO] [stderr]    |                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/futures_test/future_032_multi.rs:34:22
[INFO] [stderr]    |
[INFO] [stderr] 34 |     type Error = Box<Error>;
[INFO] [stderr]    |                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/futures_test/future_042_thread.rs:70:22
[INFO] [stderr]    |
[INFO] [stderr] 70 |     type Error = Box<Error>;
[INFO] [stderr]    |                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/futures_test/mod.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn my_fn() -> Result<u32, Box<Error>> {
[INFO] [stderr]    |                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/futures_test/mod.rs:23:48
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn my_fut() -> impl Future<Item=u32, Error=Box<Error + 'static>> {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `"docker" "inspect" "d844d0723a7e7839e918095a90273737b7b4366bf3153e20d590904d77d779b7"`
[INFO] running `"docker" "rm" "-f" "d844d0723a7e7839e918095a90273737b7b4366bf3153e20d590904d77d779b7"`
[INFO] [stdout] d844d0723a7e7839e918095a90273737b7b4366bf3153e20d590904d77d779b7
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3dce9787b7e6cadea3454d3308fe6cb5315da89550e5b7b685bf7bca238bb7e1
[INFO] running `"docker" "start" "-a" "3dce9787b7e6cadea3454d3308fe6cb5315da89550e5b7b685bf7bca238bb7e1"`
[INFO] [stderr]    Compiling rust_study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/httpT.rs:9:27
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn h1() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[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/httpT.rs:16:27
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn h2() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/futures_test/error.rs:23:32
[INFO] [stderr]    |
[INFO] [stderr] 23 |     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/futures_test/error.rs:43:32
[INFO] [stderr]    |
[INFO] [stderr] 43 |     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/futures_test/future_031_single.rs:34:22
[INFO] [stderr]    |
[INFO] [stderr] 34 |     type Error = Box<Error>;
[INFO] [stderr]    |                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/futures_test/future_032_multi.rs:34:22
[INFO] [stderr]    |
[INFO] [stderr] 34 |     type Error = Box<Error>;
[INFO] [stderr]    |                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/futures_test/future_042_thread.rs:70:22
[INFO] [stderr]    |
[INFO] [stderr] 70 |     type Error = Box<Error>;
[INFO] [stderr]    |                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/futures_test/mod.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn my_fn() -> Result<u32, Box<Error>> {
[INFO] [stderr]    |                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/futures_test/mod.rs:23:48
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn my_fut() -> impl Future<Item=u32, Error=Box<Error + 'static>> {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.84s
[INFO] running `"docker" "inspect" "3dce9787b7e6cadea3454d3308fe6cb5315da89550e5b7b685bf7bca238bb7e1"`
[INFO] running `"docker" "rm" "-f" "3dce9787b7e6cadea3454d3308fe6cb5315da89550e5b7b685bf7bca238bb7e1"`
[INFO] [stdout] 3dce9787b7e6cadea3454d3308fe6cb5315da89550e5b7b685bf7bca238bb7e1
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 9174602cc76420ab689695459978f33bbab383dca43dbd65134c53030f1caad2
[INFO] running `"docker" "start" "-a" "9174602cc76420ab689695459978f33bbab383dca43dbd65134c53030f1caad2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_study-23b1c1fde26e2f77
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test data_structure::queue_study::main ... ok
[INFO] [stdout] test data_structure::list_study::main ... ok
[INFO] [stdout] test data_structure::stack_study::main ... ok
[INFO] [stdout] test lazy_static_test::lazy_static_hashmap::test_number_arc ... ok
[INFO] [stdout] test lock_test::mutex_test::test ... ok
[INFO] [stdout] test memory_and_pointer::t02_raw_pointer::place_expression_heap ... ok
[INFO] [stdout] test memory_and_pointer::t02_raw_pointer::place_expression_stack ... ok
[INFO] [stdout] test memory_and_pointer::t03_dangling_pointer::solve_null_pointer ... ok
[INFO] [stdout] test memory_and_pointer::t03_dangling_pointer::test_null_pointer ... ok
[INFO] [stdout] test memory_and_pointer::t04_memory_leak::test ... ok
[INFO] [stdout] test lock_test::mutex_test::test2 ... test lock_test::mutex_test::test2 has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `"docker" "inspect" "9174602cc76420ab689695459978f33bbab383dca43dbd65134c53030f1caad2"`
[INFO] running `"docker" "rm" "-f" "9174602cc76420ab689695459978f33bbab383dca43dbd65134c53030f1caad2"`
[INFO] [stdout] 9174602cc76420ab689695459978f33bbab383dca43dbd65134c53030f1caad2