[INFO] fetching crate ngrok 0.5.0...
[INFO] checking ngrok-0.5.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate ngrok 0.5.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ngrok 0.5.0 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ngrok 0.5.0
[INFO] finished tweaking crates.io crate ngrok 0.5.0
[INFO] tweaked toml for crates.io crate ngrok 0.5.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded urlencoding v1.3.3
[INFO] [stderr]   Downloaded tokio-tungstenite v0.11.0
[INFO] [stderr]   Downloaded warp v0.2.5
[INFO] [stderr]   Downloaded chunked_transfer v1.4.0
[INFO] [stderr]   Downloaded ureq v1.5.5
[INFO] [stderr]   Downloaded headers v0.3.4
[INFO] [stderr]   Downloaded multipart v0.17.1
[INFO] [stderr]   Downloaded tungstenite v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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] 5d397e6ea34a20c699cf23dc64a437e3c8363c08cc03502f00494e8fd9c1fb45
[INFO] running `Command { std: "docker" "start" "-a" "5d397e6ea34a20c699cf23dc64a437e3c8363c08cc03502f00494e8fd9c1fb45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d397e6ea34a20c699cf23dc64a437e3c8363c08cc03502f00494e8fd9c1fb45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d397e6ea34a20c699cf23dc64a437e3c8363c08cc03502f00494e8fd9c1fb45", kill_on_drop: false }`
[INFO] [stdout] 5d397e6ea34a20c699cf23dc64a437e3c8363c08cc03502f00494e8fd9c1fb45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 1b1642c67841c5037454ddd913dac04773acc94ee3eaefdff98dba0504a09ace
[INFO] running `Command { std: "docker" "start" "-a" "1b1642c67841c5037454ddd913dac04773acc94ee3eaefdff98dba0504a09ace", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking futures-channel v0.3.15
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking sha-1 v0.9.6
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking headers v0.3.4
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking multipart v0.17.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking cookie_store v0.12.0
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking ureq v1.5.5
[INFO] [stderr]     Checking ngrok v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "1b1642c67841c5037454ddd913dac04773acc94ee3eaefdff98dba0504a09ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b1642c67841c5037454ddd913dac04773acc94ee3eaefdff98dba0504a09ace", kill_on_drop: false }`
[INFO] [stdout] 1b1642c67841c5037454ddd913dac04773acc94ee3eaefdff98dba0504a09ace