[INFO] fetching crate jobserver 0.1.21...
[INFO] testing jobserver-0.1.21 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate jobserver 0.1.21 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate jobserver 0.1.21 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jobserver 0.1.21
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate jobserver 0.1.21
[INFO] tweaked toml for crates.io crate jobserver 0.1.21 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ff87e8989970115bcdfac8cbc2ac418b4cb9ca2c882c9fa072f9077bcb91051e
[INFO] running `Command { std: "docker" "start" "-a" "ff87e8989970115bcdfac8cbc2ac418b4cb9ca2c882c9fa072f9077bcb91051e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff87e8989970115bcdfac8cbc2ac418b4cb9ca2c882c9fa072f9077bcb91051e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff87e8989970115bcdfac8cbc2ac418b4cb9ca2c882c9fa072f9077bcb91051e", kill_on_drop: false }`
[INFO] [stdout] ff87e8989970115bcdfac8cbc2ac418b4cb9ca2c882c9fa072f9077bcb91051e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 933240b5635b5c77caf7f35ca5a5cc225f1f73d4c1df394675eee53ddb703dd6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "933240b5635b5c77caf7f35ca5a5cc225f1f73d4c1df394675eee53ddb703dd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling jobserver v0.1.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `Command { std: "docker" "inspect" "933240b5635b5c77caf7f35ca5a5cc225f1f73d4c1df394675eee53ddb703dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "933240b5635b5c77caf7f35ca5a5cc225f1f73d4c1df394675eee53ddb703dd6", kill_on_drop: false }`
[INFO] [stdout] 933240b5635b5c77caf7f35ca5a5cc225f1f73d4c1df394675eee53ddb703dd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45e73cf15f40c8edb393a92a8f29ef4f69bad8ccbaccd8acc3500670f413f499
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "45e73cf15f40c8edb393a92a8f29ef4f69bad8ccbaccd8acc3500670f413f499", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-signal v0.2.9
[INFO] [stderr]    Compiling tokio-process v0.2.5
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling jobserver v0.1.21 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `futures::stream::iter`: implementation moved to `iter_ok` and `iter_result`
[INFO] [stdout]    --> tests/client.rs:164:18
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let stream = stream::iter(futures.into_iter().map(Ok)).buffer_unordered(num_cpus::get());
[INFO] [stdout]     |                  ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.71s
[INFO] running `Command { std: "docker" "inspect" "45e73cf15f40c8edb393a92a8f29ef4f69bad8ccbaccd8acc3500670f413f499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45e73cf15f40c8edb393a92a8f29ef4f69bad8ccbaccd8acc3500670f413f499", kill_on_drop: false }`
[INFO] [stdout] 45e73cf15f40c8edb393a92a8f29ef4f69bad8ccbaccd8acc3500670f413f499
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6e616aa4fcba69e4e5aafb3731f28517c7050166c722300a6c442b7dfba7e79b
[INFO] running `Command { std: "docker" "start" "-a" "6e616aa4fcba69e4e5aafb3731f28517c7050166c722300a6c442b7dfba7e79b", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `futures::stream::iter`: implementation moved to `iter_ok` and `iter_result`
[INFO] [stderr]    --> tests/client.rs:164:18
[INFO] [stderr]     |
[INFO] [stderr] 164 |     let stream = stream::iter(futures.into_iter().map(Ok)).buffer_unordered(num_cpus::get());
[INFO] [stderr]     |                  ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jobserver-ded7f87ca2c58ada
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/client-d2bfb64182bb4016
[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; finished in 0.00s
[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_raw ... ok
[INFO] [stdout] test acquire blocks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/client_of_myself-4ec5b1d10d0b2bd0
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/helper-7dc5defbc1a62943
[INFO] [stdout] test acquire ... ok
[INFO] [stdout] test helper_smoke ... ok
[INFO] [stdout] test prompt_shutdown ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.92s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/make_as_a_client-eb901cf34923937e
[INFO] [stdout] /opt/rustwide/target/debug/deps/make_as_a_client-eb901cf34923937e
[INFO] [stdout] /opt/rustwide/target/debug/deps/make_as_a_client-eb901cf34923937e
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/server-4c4ab794bc72aac7
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test server_multiple ... ok
[INFO] [stdout] test zero_client ... ok
[INFO] [stdout] test server_smoke ... ok
[INFO] [stdout] test make_as_a_single_thread_client ... ok
[INFO] [stdout] test server_blocks ... 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; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jobserver
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] test src/lib.rs - Client::new (line 165) ... 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; finished in 0.93s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6e616aa4fcba69e4e5aafb3731f28517c7050166c722300a6c442b7dfba7e79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e616aa4fcba69e4e5aafb3731f28517c7050166c722300a6c442b7dfba7e79b", kill_on_drop: false }`
[INFO] [stdout] 6e616aa4fcba69e4e5aafb3731f28517c7050166c722300a6c442b7dfba7e79b