[INFO] fetching crate telnet-codec 0.1.0...
[INFO] checking telnet-codec-0.1.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate telnet-codec 0.1.0 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate telnet-codec 0.1.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate telnet-codec 0.1.0
[INFO] finished tweaking crates.io crate telnet-codec 0.1.0
[INFO] tweaked toml for crates.io crate telnet-codec 0.1.0 written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 924776e4a7ec839fddd5782fa79303f4fcb3eb6bbcc4ac8f9c69d144b5541700
[INFO] running `Command { std: "docker" "start" "-a" "924776e4a7ec839fddd5782fa79303f4fcb3eb6bbcc4ac8f9c69d144b5541700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "924776e4a7ec839fddd5782fa79303f4fcb3eb6bbcc4ac8f9c69d144b5541700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "924776e4a7ec839fddd5782fa79303f4fcb3eb6bbcc4ac8f9c69d144b5541700", kill_on_drop: false }`
[INFO] [stdout] 924776e4a7ec839fddd5782fa79303f4fcb3eb6bbcc4ac8f9c69d144b5541700
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3a4beaa36ca94531fda4d863af5b666d2fb768ebd52e8f0f36c3893a85398b3
[INFO] running `Command { std: "docker" "start" "-a" "a3a4beaa36ca94531fda4d863af5b666d2fb768ebd52e8f0f36c3893a85398b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking telnet-codec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `max_buffer`
[INFO] [stdout]   --> src/lib.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     max_buffer: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_buffer`
[INFO] [stdout]   --> src/lib.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     max_buffer: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.74s
[INFO] running `Command { std: "docker" "inspect" "a3a4beaa36ca94531fda4d863af5b666d2fb768ebd52e8f0f36c3893a85398b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3a4beaa36ca94531fda4d863af5b666d2fb768ebd52e8f0f36c3893a85398b3", kill_on_drop: false }`
[INFO] [stdout] a3a4beaa36ca94531fda4d863af5b666d2fb768ebd52e8f0f36c3893a85398b3