[INFO] crate nexus 0.0.1 is already in cache
[INFO] extracting crate nexus 0.0.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/nexus/0.0.1
[INFO] extracting crate nexus 0.0.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/nexus/0.0.1
[INFO] validating manifest of nexus-0.0.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nexus-0.0.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nexus-0.0.1
[INFO] finished frobbing nexus-0.0.1
[INFO] frobbed toml for nexus-0.0.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/nexus/0.0.1/Cargo.toml
[INFO] started frobbing nexus-0.0.1
[INFO] finished frobbing nexus-0.0.1
[INFO] frobbed toml for nexus-0.0.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/nexus/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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] testing nexus-0.0.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/nexus/0.0.1:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 4c338a8f063149f7ea40f9be1a56c6a208ea4d22538367d008586d4d4bb27cc5
[INFO] running `"docker" "start" "-a" "4c338a8f063149f7ea40f9be1a56c6a208ea4d22538367d008586d4d4bb27cc5"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling nexus v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/reactor/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "4c338a8f063149f7ea40f9be1a56c6a208ea4d22538367d008586d4d4bb27cc5"`
[INFO] running `"docker" "rm" "-f" "4c338a8f063149f7ea40f9be1a56c6a208ea4d22538367d008586d4d4bb27cc5"`
[INFO] [stdout] 4c338a8f063149f7ea40f9be1a56c6a208ea4d22538367d008586d4d4bb27cc5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/nexus/0.0.1:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6db2127f6d5fe41984d2c03cf589529a5a51820e2da54ac14eec0c135add6551
[INFO] running `"docker" "start" "-a" "6db2127f6d5fe41984d2c03cf589529a5a51820e2da54ac14eec0c135add6551"`
[INFO] [stderr]    Compiling nexus v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/reactor/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/reactor/mod.rs:230:9
[INFO] [stderr]     |
[INFO] [stderr] 230 |         ::std::thread::sleep_ms(60);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/reactor/mod.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |         ::std::thread::sleep_ms(60);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Configurer`
[INFO] [stderr]    --> src/reactor/mod.rs:155:28
[INFO] [stderr]     |
[INFO] [stderr] 155 |     use reactor::{Reactor, Configurer, ReactorConfig};
[INFO] [stderr]     |                            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `"docker" "inspect" "6db2127f6d5fe41984d2c03cf589529a5a51820e2da54ac14eec0c135add6551"`
[INFO] running `"docker" "rm" "-f" "6db2127f6d5fe41984d2c03cf589529a5a51820e2da54ac14eec0c135add6551"`
[INFO] [stdout] 6db2127f6d5fe41984d2c03cf589529a5a51820e2da54ac14eec0c135add6551
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/nexus/0.0.1:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] aa5bd0fdbd0c1718df358ee35406869d44327bf7a8645fe4728637d6bfbb447b
[INFO] running `"docker" "start" "-a" "aa5bd0fdbd0c1718df358ee35406869d44327bf7a8645fe4728637d6bfbb447b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nexus-0a0b0c52cec85059
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test reactor::tests::test_reactor_disconnect ... ok
[INFO] [stdout] test reactor::configurer::tests::test_configurer_shutdown ... ok
[INFO] [stdout] test reactor::tests::test_reactor_read_write ... ok
[INFO] [stdout] test reactor::tests::test_reactor_run_protocol_error ... ok
[INFO] [stdout] test reactor::tests::test_reactor_spin_once_protocol_error ... ok
[INFO] [stdout] test reactor::tests::test_reactor_periodic_read ... ok
[INFO] [stdout] test tcp::protocol::tests::test_adding_new_connections ... ok
[INFO] [stdout] test reactor::tests::test_reactor_run_and_shutdown ... ok
[INFO] [stdout] test reactor::tests::test_reactor_timeout ... ok
[INFO] [stdout] test reactor::tests::test_reactor_remove_socket ... ok
[INFO] [stdout] test reactor::tests::test_reactor_protocol_socket_configuration ... ok
[INFO] [stderr]    Doc-tests nexus
[INFO] [stdout] test reactor::tests::test_reactor_update_socket ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/tcp/mod.rs - tcp (line 9) ... 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" "aa5bd0fdbd0c1718df358ee35406869d44327bf7a8645fe4728637d6bfbb447b"`
[INFO] running `"docker" "rm" "-f" "aa5bd0fdbd0c1718df358ee35406869d44327bf7a8645fe4728637d6bfbb447b"`
[INFO] [stdout] aa5bd0fdbd0c1718df358ee35406869d44327bf7a8645fe4728637d6bfbb447b