[INFO] fetching crate aquestalk 1.0.0-alpha...
[INFO] checking aquestalk-1.0.0-alpha against try#38c2997544af84fe301d600d6896397738163002 for pr-154205-1
[INFO] extracting crate aquestalk 1.0.0-alpha into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate aquestalk 1.0.0-alpha
[INFO] finished tweaking crates.io crate aquestalk 1.0.0-alpha
[INFO] tweaked toml for crates.io crate aquestalk 1.0.0-alpha written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate aquestalk 1.0.0-alpha on toolchain 38c2997544af84fe301d600d6896397738163002
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "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" "+38c2997544af84fe301d600d6896397738163002" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ebec6af9bc74aa6f02757dad9526ce013878b805a01a982f7848cc227ce6996
[INFO] running `Command { std: "docker" "start" "-a" "0ebec6af9bc74aa6f02757dad9526ce013878b805a01a982f7848cc227ce6996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ebec6af9bc74aa6f02757dad9526ce013878b805a01a982f7848cc227ce6996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ebec6af9bc74aa6f02757dad9526ce013878b805a01a982f7848cc227ce6996", kill_on_drop: false }`
[INFO] [stdout] 0ebec6af9bc74aa6f02757dad9526ce013878b805a01a982f7848cc227ce6996
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab717f5a94f117876d668f1b42415f67bd3fb672d8ba17b8720d3c2ee8141978
[INFO] running `Command { std: "docker" "start" "-a" "ab717f5a94f117876d668f1b42415f67bd3fb672d8ba17b8720d3c2ee8141978", kill_on_drop: false }`
[INFO] [stderr]     Checking aquestalk v1.0.0-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ffi::CString` and `slice`
[INFO] [stdout]  --> src/aquestalk.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{error, ffi::CString, fmt, slice};
[INFO] [stdout]   |                  ^^^^^^^^^^^^       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] [FMTARGS] {"crate":"aquestalk","loc":"src/aquestalk.rs:15:50","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"aquestalk","loc":"src/aquestalk.rs:15:50","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stdout] warning: unused imports: `ffi::CString` and `slice`
[INFO] [stdout]  --> src/aquestalk.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{error, ffi::CString, fmt, slice};
[INFO] [stdout]   |                  ^^^^^^^^^^^^       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "ab717f5a94f117876d668f1b42415f67bd3fb672d8ba17b8720d3c2ee8141978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab717f5a94f117876d668f1b42415f67bd3fb672d8ba17b8720d3c2ee8141978", kill_on_drop: false }`
[INFO] [stdout] ab717f5a94f117876d668f1b42415f67bd3fb672d8ba17b8720d3c2ee8141978