[INFO] fetching crate mio_httpc 0.9.2...
[INFO] checking mio_httpc-0.9.2 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate mio_httpc 0.9.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mio_httpc 0.9.2 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mio_httpc 0.9.2
[INFO] finished tweaking crates.io crate mio_httpc 0.9.2
[INFO] tweaked toml for crates.io crate mio_httpc 0.9.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate mio_httpc 0.9.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b54a71a08a7c1fefb2244041c639e6b4887669a3836dfcb1344dd74c8786a0b1
[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" "b54a71a08a7c1fefb2244041c639e6b4887669a3836dfcb1344dd74c8786a0b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b54a71a08a7c1fefb2244041c639e6b4887669a3836dfcb1344dd74c8786a0b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54a71a08a7c1fefb2244041c639e6b4887669a3836dfcb1344dd74c8786a0b1", kill_on_drop: false }`
[INFO] [stdout] b54a71a08a7c1fefb2244041c639e6b4887669a3836dfcb1344dd74c8786a0b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d972fc420ce32c585f5525a395cd06d9152bb230a01d0bc997047b64953f5054
[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" "d972fc420ce32c585f5525a395cd06d9152bb230a01d0bc997047b64953f5054", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling mio_httpc v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking data-encoding v2.3.1
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking smallvec v1.6.0
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking libflate v1.0.3
[INFO] [stderr]     Checking rand_core v0.6.0
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.0
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.2.0
[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:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     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:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     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 30.63s
[INFO] running `Command { std: "docker" "inspect" "d972fc420ce32c585f5525a395cd06d9152bb230a01d0bc997047b64953f5054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d972fc420ce32c585f5525a395cd06d9152bb230a01d0bc997047b64953f5054", kill_on_drop: false }`
[INFO] [stdout] d972fc420ce32c585f5525a395cd06d9152bb230a01d0bc997047b64953f5054