[INFO] fetching crate ipp-util 2.0.0...
[INFO] testing ipp-util-2.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ipp-util 2.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ipp-util 2.0.0 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 ipp-util 2.0.0
[INFO] finished tweaking crates.io crate ipp-util 2.0.0
[INFO] tweaked toml for crates.io crate ipp-util 2.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate ipp-util 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c80768e609a7460119a0d31bb4728aa7fe521cdf510f90e4691d950091d2e3c7
[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" "c80768e609a7460119a0d31bb4728aa7fe521cdf510f90e4691d950091d2e3c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c80768e609a7460119a0d31bb4728aa7fe521cdf510f90e4691d950091d2e3c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c80768e609a7460119a0d31bb4728aa7fe521cdf510f90e4691d950091d2e3c7", kill_on_drop: false }`
[INFO] [stdout] c80768e609a7460119a0d31bb4728aa7fe521cdf510f90e4691d950091d2e3c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9650c2e3d6c70dc89a17dea0f1804703c93f01b6063cf992f023f4bbed7546a
[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" "f9650c2e3d6c70dc89a17dea0f1804703c93f01b6063cf992f023f4bbed7546a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling futures-core v0.3.6
[INFO] [stderr]    Compiling futures-sink v0.3.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.6
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.10
[INFO] [stderr]    Compiling curl v0.4.33
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling isahc v0.9.10
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling futures-task v0.3.6
[INFO] [stderr]    Compiling futures-channel v0.3.6
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling enum-primitive-derive v0.2.1
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling tracing v0.1.21
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]    Compiling structopt v0.3.18
[INFO] [stderr]    Compiling pin-project v0.4.26
[INFO] [stderr]    Compiling futures-util v0.3.6
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling sluice v0.5.2
[INFO] [stderr]    Compiling futures-executor v0.3.6
[INFO] [stderr]    Compiling futures v0.3.6
[INFO] [stderr]    Compiling ipp v2.0.0
[INFO] [stderr]    Compiling ipp-util v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] running `Command { std: "docker" "inspect" "f9650c2e3d6c70dc89a17dea0f1804703c93f01b6063cf992f023f4bbed7546a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9650c2e3d6c70dc89a17dea0f1804703c93f01b6063cf992f023f4bbed7546a", kill_on_drop: false }`
[INFO] [stdout] f9650c2e3d6c70dc89a17dea0f1804703c93f01b6063cf992f023f4bbed7546a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+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] 9b5c0c0ad40c6d8513a834d3c22c9638d2a158d86f71bff0dba72390989bcee6
[INFO] running `Command { std: "docker" "start" "-a" "9b5c0c0ad40c6d8513a834d3c22c9638d2a158d86f71bff0dba72390989bcee6", kill_on_drop: false }`
[INFO] [stderr]    Compiling ipp-util v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "9b5c0c0ad40c6d8513a834d3c22c9638d2a158d86f71bff0dba72390989bcee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5c0c0ad40c6d8513a834d3c22c9638d2a158d86f71bff0dba72390989bcee6", kill_on_drop: false }`
[INFO] [stdout] 9b5c0c0ad40c6d8513a834d3c22c9638d2a158d86f71bff0dba72390989bcee6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14fe2edcd11bc4cacdfa88062bef78167894c8175928d75bb8982e6967af4dbe
[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" "14fe2edcd11bc4cacdfa88062bef78167894c8175928d75bb8982e6967af4dbe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ipputil-ba62f849629daf2d
[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" "14fe2edcd11bc4cacdfa88062bef78167894c8175928d75bb8982e6967af4dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14fe2edcd11bc4cacdfa88062bef78167894c8175928d75bb8982e6967af4dbe", kill_on_drop: false }`
[INFO] [stdout] 14fe2edcd11bc4cacdfa88062bef78167894c8175928d75bb8982e6967af4dbe