[INFO] crate jobserver 0.1.16 is already in cache
[INFO] extracting crate jobserver 0.1.16 into work/ex/beta-1.38-1/sources/1.37.0/reg/jobserver/0.1.16
[INFO] extracting crate jobserver 0.1.16 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/jobserver/0.1.16
[INFO] validating manifest of jobserver-0.1.16 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 jobserver-0.1.16 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 jobserver-0.1.16
[INFO] removed 0 missing tests
[INFO] finished frobbing jobserver-0.1.16
[INFO] frobbed toml for jobserver-0.1.16 written to work/ex/beta-1.38-1/sources/1.37.0/reg/jobserver/0.1.16/Cargo.toml
[INFO] started frobbing jobserver-0.1.16
[INFO] removed 0 missing tests
[INFO] finished frobbing jobserver-0.1.16
[INFO] frobbed toml for jobserver-0.1.16 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/jobserver/0.1.16/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 jobserver-0.1.16 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/jobserver/0.1.16:/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] 177d6d54e31a850069cd501df5e8b51ed85f2e0422f0a248c46a702e7f1a605a
[INFO] running `"docker" "start" "-a" "177d6d54e31a850069cd501df5e8b51ed85f2e0422f0a248c46a702e7f1a605a"`
[INFO] [stderr]    Compiling jobserver v0.1.16 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:614:20
[INFO] [stderr]     |
[INFO] [stderr] 614 |         mut f: Box<FnMut(io::Result<::Acquired>) + Send>,
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(io::Result<::Acquired>) + Send`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/lib.rs:421:32
[INFO] [stderr]     |
[INFO] [stderr] 421 |     use std::sync::{Arc, Once, ONCE_INIT};
[INFO] [stderr]     |                                ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/lib.rs:616:34
[INFO] [stderr]     |
[INFO] [stderr] 616 |         static USR1_INIT: Once = ONCE_INIT;
[INFO] [stderr]     |                                  ^^^^^^^^^ help: replace the use of the deprecated item: `Once::new()`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::os::unix::process::CommandExt::before_exec': should be unsafe, use `pre_exec` instead
[INFO] [stderr]    --> src/lib.rs:596:17
[INFO] [stderr]     |
[INFO] [stderr] 596 |             cmd.before_exec(move || {
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `"docker" "inspect" "177d6d54e31a850069cd501df5e8b51ed85f2e0422f0a248c46a702e7f1a605a"`
[INFO] running `"docker" "rm" "-f" "177d6d54e31a850069cd501df5e8b51ed85f2e0422f0a248c46a702e7f1a605a"`
[INFO] [stdout] 177d6d54e31a850069cd501df5e8b51ed85f2e0422f0a248c46a702e7f1a605a
[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/jobserver/0.1.16:/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] 0cd0da1c501853e0e44ae7b45fe43ec5185d572a674c3fd7ad7c0f35d9653638
[INFO] running `"docker" "start" "-a" "0cd0da1c501853e0e44ae7b45fe43ec5185d572a674c3fd7ad7c0f35d9653638"`
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling tokio-process v0.2.4
[INFO] [stderr]    Compiling jobserver v0.1.16 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:614:20
[INFO] [stderr]     |
[INFO] [stderr] 614 |         mut f: Box<FnMut(io::Result<::Acquired>) + Send>,
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(io::Result<::Acquired>) + Send`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/lib.rs:421:32
[INFO] [stderr]     |
[INFO] [stderr] 421 |     use std::sync::{Arc, Once, ONCE_INIT};
[INFO] [stderr]     |                                ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/lib.rs:616:34
[INFO] [stderr]     |
[INFO] [stderr] 616 |         static USR1_INIT: Once = ONCE_INIT;
[INFO] [stderr]     |                                  ^^^^^^^^^ help: replace the use of the deprecated item: `Once::new()`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::os::unix::process::CommandExt::before_exec': should be unsafe, use `pre_exec` instead
[INFO] [stderr]    --> src/lib.rs:596:17
[INFO] [stderr]     |
[INFO] [stderr] 596 |             cmd.before_exec(move || {
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/client.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |     f: &'static Fn(),
[INFO] [stderr]    |                 ^^^^ help: use `dyn`: `dyn Fn()`
[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]   --> tests/client.rs:35:20
[INFO] [stderr]    |
[INFO] [stderr] 35 |     rule: &'static Fn(&str) -> String,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'futures::stream::iter': implementation moved to `iter_ok` and `iter_result`
[INFO] [stderr]    --> tests/client.rs:157:18
[INFO] [stderr]     |
[INFO] [stderr] 157 |     let stream = stream::iter(futures.into_iter().map(Ok))
[INFO] [stderr]     |                  ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.66s
[INFO] running `"docker" "inspect" "0cd0da1c501853e0e44ae7b45fe43ec5185d572a674c3fd7ad7c0f35d9653638"`
[INFO] running `"docker" "rm" "-f" "0cd0da1c501853e0e44ae7b45fe43ec5185d572a674c3fd7ad7c0f35d9653638"`
[INFO] [stdout] 0cd0da1c501853e0e44ae7b45fe43ec5185d572a674c3fd7ad7c0f35d9653638
[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/jobserver/0.1.16:/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] 97b42dcd14ac1071bd9ab5a0f396282e93703ac39d147406d2ef5fb773fe8d4e
[INFO] running `"docker" "start" "-a" "97b42dcd14ac1071bd9ab5a0f396282e93703ac39d147406d2ef5fb773fe8d4e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/jobserver-f97382ce91f5c2eb
[INFO] [stderr]      Running /opt/crater/target/debug/deps/client-6a2a93eb86b008e5
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test no_helper_deadlock ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] 
[INFO] [stdout] test no j args ... ok
[INFO] [stdout] test no j args with plus ... ok
[INFO] [stdout] test j args with plus ... ok
[INFO] [stdout] test acquire ... ok
[INFO] [stdout] test acquire3 ... ok
[INFO] [stdout] test acquire blocks ... ok
[INFO] [stdout] test acquire_raw ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/client_of_myself-7eb3ba1320a9a18b
[INFO] [stderr]      Running /opt/crater/target/debug/deps/helper-178775c75905b9a9
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test helper_smoke ... ok
[INFO] [stdout] test acquire ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/make_as_a_client-311d89f735230b38
[INFO] [stdout] /opt/crater/target/debug/deps/make_as_a_client-311d89f735230b38
[INFO] [stdout] /opt/crater/target/debug/deps/make_as_a_client-311d89f735230b38
[INFO] [stderr]      Running /opt/crater/target/debug/deps/server-fc2ec148ee9e0453
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test server_smoke ... ok
[INFO] [stdout] test server_multiple ... ok
[INFO] [stdout] test server_blocks ... ok
[INFO] [stdout] test zero_client ... ok
[INFO] [stdout] test make_as_a_single_thread_client ... ok
[INFO] [stdout] test make_as_a_multi_thread_client ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jobserver
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs -  (line 36) ... ok
[INFO] [stdout] test src/lib.rs -  (line 24) ... ok
[INFO] [stdout] test src/lib.rs - Client::new (line 132) ... ok
[INFO] [stdout] test src/lib.rs -  (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "97b42dcd14ac1071bd9ab5a0f396282e93703ac39d147406d2ef5fb773fe8d4e"`
[INFO] running `"docker" "rm" "-f" "97b42dcd14ac1071bd9ab5a0f396282e93703ac39d147406d2ef5fb773fe8d4e"`
[INFO] [stdout] 97b42dcd14ac1071bd9ab5a0f396282e93703ac39d147406d2ef5fb773fe8d4e