[INFO] fetching crate fproxy 0.0.5...
[INFO] checking fproxy-0.0.5 against master#57f772f25c5ce2bd870d6f8c3ab318eaee5a3326 for pr-133502-22
[INFO] extracting crate fproxy 0.0.5 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate fproxy 0.0.5
[INFO] finished tweaking crates.io crate fproxy 0.0.5
[INFO] tweaked toml for crates.io crate fproxy 0.0.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fproxy 0.0.5 on toolchain 57f772f25c5ce2bd870d6f8c3ab318eaee5a3326
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fproxy 0.0.5 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" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uninit v0.5.1
[INFO] [stderr]   Downloaded unwind_safe v0.1.0
[INFO] [stderr]   Downloaded with_builtin_macros v0.0.3
[INFO] [stderr]   Downloaded extension-traits v1.0.1
[INFO] [stderr]   Downloaded ext-trait-proc_macros v1.0.1
[INFO] [stderr]   Downloaded macro_rules_attribute v0.1.3
[INFO] [stderr]   Downloaded safer-ffi v0.1.13
[INFO] [stderr]   Downloaded ext-trait v1.0.1
[INFO] [stderr]   Downloaded macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]   Downloaded extern-c v0.1.0
[INFO] [stderr]   Downloaded fproxy_derive v0.0.5
[INFO] [stderr]   Downloaded with_builtin_macros-proc_macros v0.0.3
[INFO] [stderr]   Downloaded delegate v0.13.4
[INFO] [stderr]   Downloaded stabby-macros v36.2.2
[INFO] [stderr]   Downloaded prettyplease v0.1.25
[INFO] [stderr]   Downloaded stabby v36.2.2
[INFO] [stderr]   Downloaded safer_ffi-proc_macros v0.1.13
[INFO] [stderr]   Downloaded stabby-abi v36.2.2
[INFO] [stderr]   Downloaded sha2-const-stable v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e778b9a01e05cea8292e392be4a199332d2315fddc5ac49338c89a0bdf75e054
[INFO] running `Command { std: "docker" "start" "-a" "e778b9a01e05cea8292e392be4a199332d2315fddc5ac49338c89a0bdf75e054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e778b9a01e05cea8292e392be4a199332d2315fddc5ac49338c89a0bdf75e054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e778b9a01e05cea8292e392be4a199332d2315fddc5ac49338c89a0bdf75e054", kill_on_drop: false }`
[INFO] [stdout] e778b9a01e05cea8292e392be4a199332d2315fddc5ac49338c89a0bdf75e054
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a532e91f21ad66f965362689f0b949b038b55d6bbbbd5082ae6b42c9120e29a
[INFO] running `Command { std: "docker" "start" "-a" "8a532e91f21ad66f965362689f0b949b038b55d6bbbbd5082ae6b42c9120e29a", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling safer-ffi v0.1.13
[INFO] [stderr]     Checking extern-c v0.1.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking unwind_safe v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling macro_rules_attribute v0.1.3
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling ext-trait-proc_macros v1.0.1
[INFO] [stderr]    Compiling with_builtin_macros-proc_macros v0.0.3
[INFO] [stderr]    Compiling fproxy_derive v0.0.5
[INFO] [stderr]    Compiling delegate v0.13.4
[INFO] [stderr]    Compiling safer_ffi-proc_macros v0.1.13
[INFO] [stderr]     Checking ext-trait v1.0.1
[INFO] [stderr]     Checking extension-traits v1.0.1
[INFO] [stderr]     Checking with_builtin_macros v0.0.3
[INFO] [stderr]     Checking uninit v0.5.1
[INFO] [stderr]     Checking fproxy v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `CStr`, `CString`, and `c_char`
[INFO] [stdout]  --> src/convert.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{ffi::{c_char, CStr, CString}, slice};
[INFO] [stdout]   |                 ^^^^^^  ^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CStr`, `CString`, and `c_char`
[INFO] [stdout]  --> src/convert.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{ffi::{c_char, CStr, CString}, slice};
[INFO] [stdout]   |                 ^^^^^^  ^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 |       let mut lib = path.as_ref().to_path_buf();
[INFO] [stdout]    |           ----^^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 |       let mut lib = path.as_ref().to_path_buf();
[INFO] [stdout]    |           ----^^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.00s
[INFO] running `Command { std: "docker" "inspect" "8a532e91f21ad66f965362689f0b949b038b55d6bbbbd5082ae6b42c9120e29a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a532e91f21ad66f965362689f0b949b038b55d6bbbbd5082ae6b42c9120e29a", kill_on_drop: false }`
[INFO] [stdout] 8a532e91f21ad66f965362689f0b949b038b55d6bbbbd5082ae6b42c9120e29a
