[INFO] fetching crate futures-mockstream 0.1.2...
[INFO] checking futures-mockstream-0.1.2 against master#0d56e340472882fa673d4b98d0802b9a799879d0 for pr-101692
[INFO] extracting crate futures-mockstream 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate futures-mockstream 0.1.2 on toolchain 0d56e340472882fa673d4b98d0802b9a799879d0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-mockstream 0.1.2
[INFO] finished tweaking crates.io crate futures-mockstream 0.1.2
[INFO] tweaked toml for crates.io crate futures-mockstream 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking v1.0.6
[INFO] [stderr]   Downloaded async-task v3.0.0
[INFO] [stderr]   Downloaded smol v0.1.18
[INFO] [stderr]   Downloaded blocking v0.4.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b449207dcf6bed3e9f9de700e2ed16425537666cb96a5bc87327290a9c9084a
[INFO] running `Command { std: "docker" "start" "-a" "6b449207dcf6bed3e9f9de700e2ed16425537666cb96a5bc87327290a9c9084a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b449207dcf6bed3e9f9de700e2ed16425537666cb96a5bc87327290a9c9084a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b449207dcf6bed3e9f9de700e2ed16425537666cb96a5bc87327290a9c9084a", kill_on_drop: false }`
[INFO] [stdout] 6b449207dcf6bed3e9f9de700e2ed16425537666cb96a5bc87327290a9c9084a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8918907e78e5af125f93b0ddad053e452a908c0dc54e43db7cf8c0753d96dd5d
[INFO] running `Command { std: "docker" "start" "-a" "8918907e78e5af125f93b0ddad053e452a908c0dc54e43db7cf8c0753d96dd5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]     Checking async-channel v1.7.1
[INFO] [stderr]     Checking futures-mockstream v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `from_index` is never read
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct MockStream {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 29 |     buf: Cursor<Vec<u8>>,
[INFO] [stdout] 30 |     from_index: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `MockStream` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]    Compiling futures-macro v0.3.24
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stdout] warning: field `from_index` is never read
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct MockStream {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 29 |     buf: Cursor<Vec<u8>>,
[INFO] [stdout] 30 |     from_index: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `MockStream` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.87s
[INFO] running `Command { std: "docker" "inspect" "8918907e78e5af125f93b0ddad053e452a908c0dc54e43db7cf8c0753d96dd5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8918907e78e5af125f93b0ddad053e452a908c0dc54e43db7cf8c0753d96dd5d", kill_on_drop: false }`
[INFO] [stdout] 8918907e78e5af125f93b0ddad053e452a908c0dc54e43db7cf8c0753d96dd5d