[INFO] fetching crate dialectic-tokio-serde-bincode 0.1.0...
[INFO] checking dialectic-tokio-serde-bincode-0.1.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate dialectic-tokio-serde-bincode 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dialectic-tokio-serde-bincode 0.1.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dialectic-tokio-serde-bincode 0.1.0
[INFO] finished tweaking crates.io crate dialectic-tokio-serde-bincode 0.1.0
[INFO] tweaked toml for crates.io crate dialectic-tokio-serde-bincode 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 228ad01301493865f21cc5edd1aa61030b70d7226ca65e3271ffe4628a94c034
[INFO] running `Command { std: "docker" "start" "-a" "228ad01301493865f21cc5edd1aa61030b70d7226ca65e3271ffe4628a94c034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "228ad01301493865f21cc5edd1aa61030b70d7226ca65e3271ffe4628a94c034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "228ad01301493865f21cc5edd1aa61030b70d7226ca65e3271ffe4628a94c034", kill_on_drop: false }`
[INFO] [stdout] 228ad01301493865f21cc5edd1aa61030b70d7226ca65e3271ffe4628a94c034
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e37134ee3adb08562432478fa2f038178ceabc4f852f964ce261637ebf855bf2
[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" "e37134ee3adb08562432478fa2f038178ceabc4f852f964ce261637ebf855bf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling thunderdome v0.4.1
[INFO] [stderr]    Compiling dialectic v0.4.1
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking call-by v0.2.3
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling tokio v1.8.2
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking futures-channel v0.3.15
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling dialectic-compiler v0.1.0
[INFO] [stderr]    Compiling dialectic-macro v0.1.0
[INFO] [stderr]     Checking dialectic-tokio-serde v0.1.0
[INFO] [stderr]     Checking dialectic-tokio-serde-bincode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.95s
[INFO] running `Command { std: "docker" "inspect" "e37134ee3adb08562432478fa2f038178ceabc4f852f964ce261637ebf855bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e37134ee3adb08562432478fa2f038178ceabc4f852f964ce261637ebf855bf2", kill_on_drop: false }`
[INFO] [stdout] e37134ee3adb08562432478fa2f038178ceabc4f852f964ce261637ebf855bf2