[INFO] fetching crate vecfold 0.1.6...
[INFO] building vecfold-0.1.6 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate vecfold 0.1.6 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate vecfold 0.1.6
[INFO] finished tweaking crates.io crate vecfold 0.1.6
[INFO] tweaked toml for crates.io crate vecfold 0.1.6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vecfold 0.1.6 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d671b5609271ddfe8acb6d4715eb9abe3b8755eb86add2dc08f686180035b97e
[INFO] running `Command { std: "docker" "start" "-a" "d671b5609271ddfe8acb6d4715eb9abe3b8755eb86add2dc08f686180035b97e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d671b5609271ddfe8acb6d4715eb9abe3b8755eb86add2dc08f686180035b97e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d671b5609271ddfe8acb6d4715eb9abe3b8755eb86add2dc08f686180035b97e", kill_on_drop: false }`
[INFO] [stdout] d671b5609271ddfe8acb6d4715eb9abe3b8755eb86add2dc08f686180035b97e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f90f745d1070182851e51b4d25f2f3b5f8f8e1a5325f97370d4ebf89cc843db7
[INFO] running `Command { std: "docker" "start" "-a" "f90f745d1070182851e51b4d25f2f3b5f8f8e1a5325f97370d4ebf89cc843db7", kill_on_drop: false }`
[INFO] [stderr]    Compiling vecfold v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `StaticStringError` is never constructed
[INFO] [stdout]   --> src/lib.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     struct StaticStringError(&'static str);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "f90f745d1070182851e51b4d25f2f3b5f8f8e1a5325f97370d4ebf89cc843db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f90f745d1070182851e51b4d25f2f3b5f8f8e1a5325f97370d4ebf89cc843db7", kill_on_drop: false }`
[INFO] [stdout] f90f745d1070182851e51b4d25f2f3b5f8f8e1a5325f97370d4ebf89cc843db7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72bb452c263fd5b04af5310797ec2abef063ab3e7d558900534f8643d1d467b4
[INFO] running `Command { std: "docker" "start" "-a" "72bb452c263fd5b04af5310797ec2abef063ab3e7d558900534f8643d1d467b4", kill_on_drop: false }`
[INFO] [stdout] warning: struct `StaticStringError` is never constructed
[INFO] [stdout]   --> src/lib.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     struct StaticStringError(&'static str);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling vecfold v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "72bb452c263fd5b04af5310797ec2abef063ab3e7d558900534f8643d1d467b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72bb452c263fd5b04af5310797ec2abef063ab3e7d558900534f8643d1d467b4", kill_on_drop: false }`
[INFO] [stdout] 72bb452c263fd5b04af5310797ec2abef063ab3e7d558900534f8643d1d467b4