[INFO] fetching crate wascc-fs 0.1.2...
[INFO] checking wascc-fs-0.1.2 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate wascc-fs 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate wascc-fs 0.1.2 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wascc-fs 0.1.2
[INFO] finished tweaking crates.io crate wascc-fs 0.1.2
[INFO] tweaked toml for crates.io crate wascc-fs 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.7.1 (latest: v0.11.5)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.4.0)
[INFO] [stderr]       Adding humantime v1.3.0 (latest: v2.1.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding rmp-serde v0.14.4 (latest: v1.3.0)
[INFO] [stderr]       Adding wascc-codec v0.8.1 (latest: v0.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33b19131189d6fa4025e3d353a454dcfe7f90ef8859bb04f33d6ef8e05f50a8b
[INFO] running `Command { std: "docker" "start" "-a" "33b19131189d6fa4025e3d353a454dcfe7f90ef8859bb04f33d6ef8e05f50a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33b19131189d6fa4025e3d353a454dcfe7f90ef8859bb04f33d6ef8e05f50a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33b19131189d6fa4025e3d353a454dcfe7f90ef8859bb04f33d6ef8e05f50a8b", kill_on_drop: false }`
[INFO] [stdout] 33b19131189d6fa4025e3d353a454dcfe7f90ef8859bb04f33d6ef8e05f50a8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dcc10accf99afce72d12f71a72f138fb1e30d25b651af8178d4b4e5b019752e
[INFO] running `Command { std: "docker" "start" "-a" "3dcc10accf99afce72d12f71a72f138fb1e30d25b651af8178d4b4e5b019752e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking serde_bytes v0.11.15
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking wascc-codec v0.8.1
[INFO] [stderr]     Checking wascc-fs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `ReadPlus` is never used
[INFO] [stdout]   --> src/chunks.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub(crate) trait ReadPlus: Read {
[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: trait `ReadPlus` is never used
[INFO] [stdout]   --> src/chunks.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub(crate) trait ReadPlus: Read {
[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` profile [unoptimized + debuginfo] target(s) in 16.02s
[INFO] running `Command { std: "docker" "inspect" "3dcc10accf99afce72d12f71a72f138fb1e30d25b651af8178d4b4e5b019752e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dcc10accf99afce72d12f71a72f138fb1e30d25b651af8178d4b4e5b019752e", kill_on_drop: false }`
[INFO] [stdout] 3dcc10accf99afce72d12f71a72f138fb1e30d25b651af8178d4b4e5b019752e