[INFO] fetching crate specs-visitor-derive 0.3.0...
[INFO] testing specs-visitor-derive-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate specs-visitor-derive 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate specs-visitor-derive 0.3.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate specs-visitor-derive 0.3.0
[INFO] finished tweaking crates.io crate specs-visitor-derive 0.3.0
[INFO] tweaked toml for crates.io crate specs-visitor-derive 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 9b41b17e30846d8177fb8b211d422ec41d27d07cfa60bbb43afbc8bbb60ca82b
[INFO] running `Command { std: "docker" "start" "-a" "9b41b17e30846d8177fb8b211d422ec41d27d07cfa60bbb43afbc8bbb60ca82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b41b17e30846d8177fb8b211d422ec41d27d07cfa60bbb43afbc8bbb60ca82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b41b17e30846d8177fb8b211d422ec41d27d07cfa60bbb43afbc8bbb60ca82b", kill_on_drop: false }`
[INFO] [stdout] 9b41b17e30846d8177fb8b211d422ec41d27d07cfa60bbb43afbc8bbb60ca82b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad6f1445174114e5ecfb3a498a67f577aaf179367e3c1b629451fbc06379995f
[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" "ad6f1445174114e5ecfb3a498a67f577aaf179367e3c1b629451fbc06379995f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling specs-visitor-derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.41s
[INFO] running `Command { std: "docker" "inspect" "ad6f1445174114e5ecfb3a498a67f577aaf179367e3c1b629451fbc06379995f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad6f1445174114e5ecfb3a498a67f577aaf179367e3c1b629451fbc06379995f", kill_on_drop: false }`
[INFO] [stdout] ad6f1445174114e5ecfb3a498a67f577aaf179367e3c1b629451fbc06379995f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] dab60a209b0014481557a2469289d72dbccc159f37aee1c8970aaa072e0bd453
[INFO] running `Command { std: "docker" "start" "-a" "dab60a209b0014481557a2469289d72dbccc159f37aee1c8970aaa072e0bd453", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling nonzero_signed v1.0.3
[INFO] [stderr]    Compiling atom v0.3.6
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling shrev v1.1.1
[INFO] [stderr]    Compiling tuple_utils v0.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling shred-derive v0.5.1
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling hibitset v0.5.4
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling shred v0.7.2
[INFO] [stderr]    Compiling crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling crossbeam v0.4.1
[INFO] [stderr]    Compiling specs v0.14.3
[INFO] [stderr]    Compiling specs-visitor v0.3.0
[INFO] [stderr]    Compiling specs-visitor-derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.91s
[INFO] running `Command { std: "docker" "inspect" "dab60a209b0014481557a2469289d72dbccc159f37aee1c8970aaa072e0bd453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab60a209b0014481557a2469289d72dbccc159f37aee1c8970aaa072e0bd453", kill_on_drop: false }`
[INFO] [stdout] dab60a209b0014481557a2469289d72dbccc159f37aee1c8970aaa072e0bd453
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7693b2d9be3ac48067e6cfdc0dba945a868c05ec40833d319e1a20221a0bff4
[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" "e7693b2d9be3ac48067e6cfdc0dba945a868c05ec40833d319e1a20221a0bff4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/specs_visitor_derive-32314df7fe7647e2
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::simple_mut ... ok
[INFO] [stdout] test test::simple ... ok
[INFO] [stdout] test test::generic_mut ... ok
[INFO] [stderr]    Doc-tests specs-visitor-derive
[INFO] [stdout] test test::generic ... 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 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e7693b2d9be3ac48067e6cfdc0dba945a868c05ec40833d319e1a20221a0bff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7693b2d9be3ac48067e6cfdc0dba945a868c05ec40833d319e1a20221a0bff4", kill_on_drop: false }`
[INFO] [stdout] e7693b2d9be3ac48067e6cfdc0dba945a868c05ec40833d319e1a20221a0bff4