[INFO] cloning repository https://github.com/LordAldaron/rust-webserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LordAldaron/rust-webserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLordAldaron%2Frust-webserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLordAldaron%2Frust-webserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0ec1130a5969eb9f09e979929b0a6b93565b511
[INFO] checking LordAldaron/rust-webserver against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLordAldaron%2Frust-webserver" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LordAldaron/rust-webserver 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 git repo https://github.com/LordAldaron/rust-webserver
[INFO] finished tweaking git repo https://github.com/LordAldaron/rust-webserver
[INFO] tweaked toml for git repo https://github.com/LordAldaron/rust-webserver written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/LordAldaron/rust-webserver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polling v1.0.3
[INFO] [stderr]   Downloaded async-std v1.7.0
[INFO] [stderr]   Downloaded futures-lite v1.7.0
[INFO] [stderr]   Downloaded pasts v0.6.0
[INFO] [stderr]   Downloaded async-io v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] b6b11a5fe92b312516d01016ec1ebc79a72d682aa77c71570436edbfd4d80693
[INFO] running `Command { std: "docker" "start" "-a" "b6b11a5fe92b312516d01016ec1ebc79a72d682aa77c71570436edbfd4d80693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6b11a5fe92b312516d01016ec1ebc79a72d682aa77c71570436edbfd4d80693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6b11a5fe92b312516d01016ec1ebc79a72d682aa77c71570436edbfd4d80693", kill_on_drop: false }`
[INFO] [stdout] b6b11a5fe92b312516d01016ec1ebc79a72d682aa77c71570436edbfd4d80693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2533cfb4ef5a6f826dddd166716b7afa0ce7364f512323acd966aff4801f0171
[INFO] running `Command { std: "docker" "start" "-a" "2533cfb4ef5a6f826dddd166716b7afa0ce7364f512323acd966aff4801f0171", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking event-listener v2.3.3
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking async-task v4.0.2
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pasts v0.6.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-mutex v1.1.5
[INFO] [stderr]     Checking async-channel v1.4.0
[INFO] [stderr]     Checking futures-lite v1.7.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking polling v1.0.3
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking blocking v1.0.0
[INFO] [stderr]     Checking async-io v1.1.0
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking async-std v1.7.0
[INFO] [stderr]     Checking rust-webserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.89s
[INFO] running `Command { std: "docker" "inspect" "2533cfb4ef5a6f826dddd166716b7afa0ce7364f512323acd966aff4801f0171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2533cfb4ef5a6f826dddd166716b7afa0ce7364f512323acd966aff4801f0171", kill_on_drop: false }`
[INFO] [stdout] 2533cfb4ef5a6f826dddd166716b7afa0ce7364f512323acd966aff4801f0171