[INFO] fetching crate multi-tunnel 0.2.0...
[INFO] checking multi-tunnel-0.2.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate multi-tunnel 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate multi-tunnel 0.2.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multi-tunnel 0.2.0
[INFO] finished tweaking crates.io crate multi-tunnel 0.2.0
[INFO] tweaked toml for crates.io crate multi-tunnel 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate multi-tunnel 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny_http v0.8.2
[INFO] [stderr]   Downloaded prometheus_exporter v0.8.2
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac6b165f2b55077d60f57a46c3a034b5eb9b37f8bb31aa75242451b35ff818bb
[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" "ac6b165f2b55077d60f57a46c3a034b5eb9b37f8bb31aa75242451b35ff818bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac6b165f2b55077d60f57a46c3a034b5eb9b37f8bb31aa75242451b35ff818bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6b165f2b55077d60f57a46c3a034b5eb9b37f8bb31aa75242451b35ff818bb", kill_on_drop: false }`
[INFO] [stdout] ac6b165f2b55077d60f57a46c3a034b5eb9b37f8bb31aa75242451b35ff818bb
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8613cde8fc753c875315c37f393b0bf46912f52045872990b318a423149443a3
[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" "8613cde8fc753c875315c37f393b0bf46912f52045872990b318a423149443a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling prometheus v0.12.0
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking tiny_http v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking tokio v1.9.0
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking prometheus_exporter v0.8.2
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stderr]     Checking multi-tunnel v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.65s
[INFO] running `Command { std: "docker" "inspect" "8613cde8fc753c875315c37f393b0bf46912f52045872990b318a423149443a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8613cde8fc753c875315c37f393b0bf46912f52045872990b318a423149443a3", kill_on_drop: false }`
[INFO] [stdout] 8613cde8fc753c875315c37f393b0bf46912f52045872990b318a423149443a3