[INFO] fetching crate buffalo 0.4.1...
[INFO] checking buffalo-0.4.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate buffalo 0.4.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate buffalo 0.4.1
[INFO] finished tweaking crates.io crate buffalo 0.4.1
[INFO] tweaked toml for crates.io crate buffalo 0.4.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate buffalo 0.4.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding ndarray v0.15.6 (available: v0.16.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded buffalo_macro v0.1.0
[INFO] [stderr]   Downloaded derive_deref v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e5578a61ab5ddb07f44581da66d2a6a2d00e217030857ad5e74fc2cd2576d7b
[INFO] running `Command { std: "docker" "start" "-a" "6e5578a61ab5ddb07f44581da66d2a6a2d00e217030857ad5e74fc2cd2576d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e5578a61ab5ddb07f44581da66d2a6a2d00e217030857ad5e74fc2cd2576d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e5578a61ab5ddb07f44581da66d2a6a2d00e217030857ad5e74fc2cd2576d7b", kill_on_drop: false }`
[INFO] [stdout] 6e5578a61ab5ddb07f44581da66d2a6a2d00e217030857ad5e74fc2cd2576d7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be472171cb64cfd28c5460aee649fe419adf591167139346f8f7bf47b92813c0
[INFO] running `Command { std: "docker" "start" "-a" "be472171cb64cfd28c5460aee649fe419adf591167139346f8f7bf47b92813c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling buffalo_macro v0.1.0
[INFO] [stderr]    Compiling derive_deref v1.1.1
[INFO] [stderr]     Checking buffalo v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> static_struct_reader.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(bytes: &'a [u8], position: Position<Self>) -> StaticStructReader {
[INFO] [stdout]    |                        ^^ the lifetime is named here         ------------------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(bytes: &'a [u8], position: Position<Self>) -> StaticStructReader<'a> {
[INFO] [stdout]    |                                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> vec_reader.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(bytes: &'a [u8], position: Position<Self>) -> VecReader<T> {
[INFO] [stdout]    |                        ^^ the lifetime is named here         ------------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(bytes: &'a [u8], position: Position<Self>) -> VecReader<'a, T> {
[INFO] [stdout]    |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> static_struct_reader.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(bytes: &'a [u8], position: Position<Self>) -> StaticStructReader {
[INFO] [stdout]    |                        ^^ the lifetime is named here         ------------------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(bytes: &'a [u8], position: Position<Self>) -> StaticStructReader<'a> {
[INFO] [stdout]    |                                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> vec_reader.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(bytes: &'a [u8], position: Position<Self>) -> VecReader<T> {
[INFO] [stdout]    |                        ^^ the lifetime is named here         ------------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(bytes: &'a [u8], position: Position<Self>) -> VecReader<'a, T> {
[INFO] [stdout]    |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.09s
[INFO] running `Command { std: "docker" "inspect" "be472171cb64cfd28c5460aee649fe419adf591167139346f8f7bf47b92813c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be472171cb64cfd28c5460aee649fe419adf591167139346f8f7bf47b92813c0", kill_on_drop: false }`
[INFO] [stdout] be472171cb64cfd28c5460aee649fe419adf591167139346f8f7bf47b92813c0