[INFO] fetching crate tsyncp 0.4.1...
[INFO] checking tsyncp-0.4.1 against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] extracting crate tsyncp 0.4.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate tsyncp 0.4.1
[INFO] finished tweaking crates.io crate tsyncp 0.4.1
[INFO] tweaked toml for crates.io crate tsyncp 0.4.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tsyncp 0.4.1 on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tsyncp 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tosserror v0.1.2
[INFO] [stderr]   Downloaded tosserror-derive v0.1.2
[INFO] [stderr]   Downloaded tracing-error v0.2.0
[INFO] [stderr]   Downloaded cc v1.0.99
[INFO] [stderr]   Downloaded dummy v0.7.0
[INFO] [stderr]   Downloaded fake v2.9.2
[INFO] [stderr]   Downloaded syn v2.0.67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9407eb53df9a59a82d9a31940f4fa6d27aac04f4b6a7e244a045a1a2fb86e10e
[INFO] running `Command { std: "docker" "start" "-a" "9407eb53df9a59a82d9a31940f4fa6d27aac04f4b6a7e244a045a1a2fb86e10e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9407eb53df9a59a82d9a31940f4fa6d27aac04f4b6a7e244a045a1a2fb86e10e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9407eb53df9a59a82d9a31940f4fa6d27aac04f4b6a7e244a045a1a2fb86e10e", kill_on_drop: false }`
[INFO] [stdout] 9407eb53df9a59a82d9a31940f4fa6d27aac04f4b6a7e244a045a1a2fb86e10e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70205eac06bafee749462e500c5975ffe6959e04036210f834a1273c4d0f911d
[INFO] running `Command { std: "docker" "start" "-a" "70205eac06bafee749462e500c5975ffe6959e04036210f834a1273c4d0f911d", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling cc v1.0.99
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling syn v2.0.67
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]     Checking eyre v0.6.12
[INFO] [stderr]     Checking deunicode v1.6.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking anstream v0.6.14
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking color-spantrace v0.2.1
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking color-eyre v0.6.3
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]    Compiling darling_core v0.20.9
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking env_logger v0.11.3
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling tosserror-derive v0.1.2
[INFO] [stderr]    Compiling prost-derive v0.12.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking tosserror v0.1.2
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking prost v0.12.6
[INFO] [stderr]     Checking thiserror v1.0.61
[INFO] [stderr]    Compiling darling_macro v0.20.9
[INFO] [stderr]    Compiling darling v0.20.9
[INFO] [stderr]    Compiling dummy v0.7.0
[INFO] [stderr]     Checking fake v2.9.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking tsyncp v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `len` is never read
[INFO] [stdout]    --> src/util/stream_pool.rs:544:17
[INFO] [stdout]     |
[INFO] [stdout] 544 |                 len -= 1;
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `len` is never read
[INFO] [stdout]    --> src/util/stream_pool.rs:544:17
[INFO] [stdout]     |
[INFO] [stdout] 544 |                 len -= 1;
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.88s
[INFO] running `Command { std: "docker" "inspect" "70205eac06bafee749462e500c5975ffe6959e04036210f834a1273c4d0f911d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70205eac06bafee749462e500c5975ffe6959e04036210f834a1273c4d0f911d", kill_on_drop: false }`
[INFO] [stdout] 70205eac06bafee749462e500c5975ffe6959e04036210f834a1273c4d0f911d
