[INFO] cloning repository https://github.com/hedgar2017/semaphore-rust-hyper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hedgar2017/semaphore-rust-hyper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhedgar2017%2Fsemaphore-rust-hyper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhedgar2017%2Fsemaphore-rust-hyper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c13cf17347f15b1dd6de8fd621b8aad60fa5395
[INFO] checking hedgar2017/semaphore-rust-hyper against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhedgar2017%2Fsemaphore-rust-hyper" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hedgar2017/semaphore-rust-hyper on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hedgar2017/semaphore-rust-hyper
[INFO] finished tweaking git repo https://github.com/hedgar2017/semaphore-rust-hyper
[INFO] tweaked toml for git repo https://github.com/hedgar2017/semaphore-rust-hyper written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/hedgar2017/semaphore-rust-hyper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.14
[INFO] [stderr]   Downloaded tokio v0.1.19
[INFO] [stderr]   Downloaded tokio-sync v0.1.5
[INFO] [stderr]   Downloaded futures v0.1.27
[INFO] [stderr]   Downloaded hyper v0.12.28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48a8c27902c8999ccbea6f7bbfba185cbb5afca7734089903a6a5417d216ced9
[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" "48a8c27902c8999ccbea6f7bbfba185cbb5afca7734089903a6a5417d216ced9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48a8c27902c8999ccbea6f7bbfba185cbb5afca7734089903a6a5417d216ced9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48a8c27902c8999ccbea6f7bbfba185cbb5afca7734089903a6a5417d216ced9", kill_on_drop: false }`
[INFO] [stdout] 48a8c27902c8999ccbea6f7bbfba185cbb5afca7734089903a6a5417d216ced9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ecd4bc7071c052d643429e634ac8c135d3e71c66f1becef541abc3bd6bc0c61
[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" "1ecd4bc7071c052d643429e634ac8c135d3e71c66f1becef541abc3bd6bc0c61", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.27
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking string v0.1.3
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-sync v0.1.5
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio v0.1.19
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking h2 v0.1.18
[INFO] [stderr]     Checking hyper v0.12.28
[INFO] [stderr]     Checking semaphore-rust-hyper v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.54s
[INFO] running `Command { std: "docker" "inspect" "1ecd4bc7071c052d643429e634ac8c135d3e71c66f1becef541abc3bd6bc0c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ecd4bc7071c052d643429e634ac8c135d3e71c66f1becef541abc3bd6bc0c61", kill_on_drop: false }`
[INFO] [stdout] 1ecd4bc7071c052d643429e634ac8c135d3e71c66f1becef541abc3bd6bc0c61