[INFO] fetching crate simple_proxy 1.3.4...
[INFO] checking simple_proxy-1.3.4 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate simple_proxy 1.3.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate simple_proxy 1.3.4 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple_proxy 1.3.4
[INFO] finished tweaking crates.io crate simple_proxy 1.3.4
[INFO] tweaked toml for crates.io crate simple_proxy 1.3.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--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 serde_regex v1.1.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d02e4cf297495ff12b50bb81e7a65872c4876582a1abe866fcde217a2a2ffcb9
[INFO] running `Command { std: "docker" "start" "-a" "d02e4cf297495ff12b50bb81e7a65872c4876582a1abe866fcde217a2a2ffcb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d02e4cf297495ff12b50bb81e7a65872c4876582a1abe866fcde217a2a2ffcb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d02e4cf297495ff12b50bb81e7a65872c4876582a1abe866fcde217a2a2ffcb9", kill_on_drop: false }`
[INFO] [stdout] d02e4cf297495ff12b50bb81e7a65872c4876582a1abe866fcde217a2a2ffcb9
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d1f033045301595e6f5018b800f014ad052cd653bfb17407c942b09ef824143
[INFO] running `Command { std: "docker" "start" "-a" "5d1f033045301595e6f5018b800f014ad052cd653bfb17407c942b09ef824143", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking futures-channel v0.3.16
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking simple_proxy v1.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.14s
[INFO] running `Command { std: "docker" "inspect" "5d1f033045301595e6f5018b800f014ad052cd653bfb17407c942b09ef824143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1f033045301595e6f5018b800f014ad052cd653bfb17407c942b09ef824143", kill_on_drop: false }`
[INFO] [stdout] 5d1f033045301595e6f5018b800f014ad052cd653bfb17407c942b09ef824143