[INFO] cloning repository https://github.com/nyu-latency-labs/timer-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nyu-latency-labs/timer-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyu-latency-labs%2Ftimer-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyu-latency-labs%2Ftimer-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d564d5d64a317aaecca6ac1a39d3aeeaf712539
[INFO] checking nyu-latency-labs/timer-example against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyu-latency-labs%2Ftimer-example" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nyu-latency-labs/timer-example on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nyu-latency-labs/timer-example
[INFO] finished tweaking git repo https://github.com/nyu-latency-labs/timer-example
[INFO] tweaked toml for git repo https://github.com/nyu-latency-labs/timer-example written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/nyu-latency-labs/timer-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/nyu-latency-labs/tarpc.git`
[INFO] [stderr]     Updating git repository `https://github.com/nyu-latency-labs/tarpc.git`
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/nyu-latency-labs/tarpc.git`
[INFO] [stderr]     Updating git repository `https://github.com/nyu-latency-labs/tarpc.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-bincode v0.4.9
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cc815f9c1fdf88e51193e13316d89dcbf29507b632c15f35f707ffed5f70528
[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" "4cc815f9c1fdf88e51193e13316d89dcbf29507b632c15f35f707ffed5f70528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cc815f9c1fdf88e51193e13316d89dcbf29507b632c15f35f707ffed5f70528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cc815f9c1fdf88e51193e13316d89dcbf29507b632c15f35f707ffed5f70528", kill_on_drop: false }`
[INFO] [stdout] 4cc815f9c1fdf88e51193e13316d89dcbf29507b632c15f35f707ffed5f70528
[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=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 590ee00bc7ac0b7c61a560e85a508e1e704a5b67bb7066e9e41329d5324e72f5
[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" "590ee00bc7ac0b7c61a560e85a508e1e704a5b67bb7066e9e41329d5324e72f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking once_cell v0.2.4
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling futures-join-macro-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling tarpc-plugins v0.5.1 (https://github.com/nyu-latency-labs/tarpc.git#537446a5)
[INFO] [stderr]    Compiling tarpc-plugins v0.5.1 (https://github.com/nyu-latency-labs/tarpc.git?branch=master#537446a5)
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-timer v0.3.0
[INFO] [stderr]     Checking tarpc-trace v0.2.0 (https://github.com/nyu-latency-labs/tarpc.git#537446a5)
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking tarpc-lib v0.6.1 (https://github.com/nyu-latency-labs/tarpc.git#537446a5)
[INFO] [stderr]     Checking async-bincode v0.4.9
[INFO] [stderr]     Checking tarpc-bincode-transport v0.7.0 (https://github.com/nyu-latency-labs/tarpc.git#537446a5)
[INFO] [stderr]     Checking tarpc v0.18.0 (https://github.com/nyu-latency-labs/tarpc.git#537446a5)
[INFO] [stderr]     Checking timer-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "590ee00bc7ac0b7c61a560e85a508e1e704a5b67bb7066e9e41329d5324e72f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "590ee00bc7ac0b7c61a560e85a508e1e704a5b67bb7066e9e41329d5324e72f5", kill_on_drop: false }`
[INFO] [stdout] 590ee00bc7ac0b7c61a560e85a508e1e704a5b67bb7066e9e41329d5324e72f5