[INFO] fetching crate blather 0.7.1...
[INFO] checking blather-0.7.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate blather 0.7.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate blather 0.7.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blather 0.7.1
[INFO] finished tweaking crates.io crate blather 0.7.1
[INFO] tweaked toml for crates.io crate blather 0.7.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ec839ceac2d6dbac10a3dfddd14b8255b0e221f6dbd3e55c04336540023fdfe
[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" "0ec839ceac2d6dbac10a3dfddd14b8255b0e221f6dbd3e55c04336540023fdfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ec839ceac2d6dbac10a3dfddd14b8255b0e221f6dbd3e55c04336540023fdfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ec839ceac2d6dbac10a3dfddd14b8255b0e221f6dbd3e55c04336540023fdfe", kill_on_drop: false }`
[INFO] [stdout] 0ec839ceac2d6dbac10a3dfddd14b8255b0e221f6dbd3e55c04336540023fdfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a76a0bdb6dfcec4a48577de27a6253fe852604eff2f494961683e27661702dee
[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" "a76a0bdb6dfcec4a48577de27a6253fe852604eff2f494961683e27661702dee", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking tokio-stream v0.1.5
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]     Checking tokio-test v0.4.1
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking blather v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self as stream`
[INFO] [stdout]  --> tests/conn_telegram.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio_stream::{self as stream, StreamExt};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self as stream`
[INFO] [stdout]  --> tests/tg_to_expect.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio_stream::{self as stream, StreamExt};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.52s
[INFO] running `Command { std: "docker" "inspect" "a76a0bdb6dfcec4a48577de27a6253fe852604eff2f494961683e27661702dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a76a0bdb6dfcec4a48577de27a6253fe852604eff2f494961683e27661702dee", kill_on_drop: false }`
[INFO] [stdout] a76a0bdb6dfcec4a48577de27a6253fe852604eff2f494961683e27661702dee