[INFO] fetching crate mio_httpc 0.9.5...
[INFO] checking mio_httpc-0.9.5 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate mio_httpc 0.9.5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mio_httpc 0.9.5 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mio_httpc 0.9.5
[INFO] finished tweaking crates.io crate mio_httpc 0.9.5
[INFO] tweaked toml for crates.io crate mio_httpc 0.9.5 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate mio_httpc 0.9.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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] a7ea19baf6d61f82015d1d07ee2240ac2d07611ab36b6f78ee70bd38ccc0e1cf
[INFO] running `Command { std: "docker" "start" "-a" "a7ea19baf6d61f82015d1d07ee2240ac2d07611ab36b6f78ee70bd38ccc0e1cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7ea19baf6d61f82015d1d07ee2240ac2d07611ab36b6f78ee70bd38ccc0e1cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ea19baf6d61f82015d1d07ee2240ac2d07611ab36b6f78ee70bd38ccc0e1cf", kill_on_drop: false }`
[INFO] [stdout] a7ea19baf6d61f82015d1d07ee2240ac2d07611ab36b6f78ee70bd38ccc0e1cf
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b447432d23d0e554077d531b18c5ae2967455466d4d9e0b49995447efae2667
[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" "5b447432d23d0e554077d531b18c5ae2967455466d4d9e0b49995447efae2667", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling mio_httpc v0.9.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stdout] warning: field is never read: `send_encoding`
[INFO] [stdout]   --> src/call.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     send_encoding: TransferEncoding,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `send_encoding`
[INFO] [stdout]   --> src/call.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     send_encoding: TransferEncoding,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.34s
[INFO] running `Command { std: "docker" "inspect" "5b447432d23d0e554077d531b18c5ae2967455466d4d9e0b49995447efae2667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b447432d23d0e554077d531b18c5ae2967455466d4d9e0b49995447efae2667", kill_on_drop: false }`
[INFO] [stdout] 5b447432d23d0e554077d531b18c5ae2967455466d4d9e0b49995447efae2667