[INFO] fetching crate vecfold 0.1.6...
[INFO] testing vecfold-0.1.6 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate vecfold 0.1.6 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vecfold 0.1.6 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58a08e4ac2edfec240034d525068cd73172c739003bf8673c8ec109e5c855bcb
[INFO] running `Command { std: "docker" "start" "-a" "58a08e4ac2edfec240034d525068cd73172c739003bf8673c8ec109e5c855bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58a08e4ac2edfec240034d525068cd73172c739003bf8673c8ec109e5c855bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a08e4ac2edfec240034d525068cd73172c739003bf8673c8ec109e5c855bcb", kill_on_drop: false }`
[INFO] [stdout] 58a08e4ac2edfec240034d525068cd73172c739003bf8673c8ec109e5c855bcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3391ca3e1c95edd71f562734615d3af10ea56d904e8f990d3be0a76e774f3396
[INFO] running `Command { std: "docker" "start" "-a" "3391ca3e1c95edd71f562734615d3af10ea56d904e8f990d3be0a76e774f3396", 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 0.08s
[INFO] running `Command { std: "docker" "inspect" "3391ca3e1c95edd71f562734615d3af10ea56d904e8f990d3be0a76e774f3396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3391ca3e1c95edd71f562734615d3af10ea56d904e8f990d3be0a76e774f3396", kill_on_drop: false }`
[INFO] [stdout] 3391ca3e1c95edd71f562734615d3af10ea56d904e8f990d3be0a76e774f3396
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e2d3cb360acbb2e7741c6b51e26ebdb9b8f36b1b893cb5edabdfba0c3a7e819
[INFO] running `Command { std: "docker" "start" "-a" "9e2d3cb360acbb2e7741c6b51e26ebdb9b8f36b1b893cb5edabdfba0c3a7e819", 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 `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "9e2d3cb360acbb2e7741c6b51e26ebdb9b8f36b1b893cb5edabdfba0c3a7e819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e2d3cb360acbb2e7741c6b51e26ebdb9b8f36b1b893cb5edabdfba0c3a7e819", kill_on_drop: false }`
[INFO] [stdout] 9e2d3cb360acbb2e7741c6b51e26ebdb9b8f36b1b893cb5edabdfba0c3a7e819
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 54e37bbb2a22f4c1861ab7ce6450e15527d4f2114e17984fe51a92c172215af8
[INFO] running `Command { std: "docker" "start" "-a" "54e37bbb2a22f4c1861ab7ce6450e15527d4f2114e17984fe51a92c172215af8", kill_on_drop: false }`
[INFO] [stderr] warning: struct `StaticStringError` is never constructed
[INFO] [stderr]   --> src/lib.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |     struct StaticStringError(&'static str);
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `vecfold` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vecfold-b7d2e57a70397b35)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_with_parse ... ok
[INFO] [stdout] test test::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vecfold
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "54e37bbb2a22f4c1861ab7ce6450e15527d4f2114e17984fe51a92c172215af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e37bbb2a22f4c1861ab7ce6450e15527d4f2114e17984fe51a92c172215af8", kill_on_drop: false }`
[INFO] [stdout] 54e37bbb2a22f4c1861ab7ce6450e15527d4f2114e17984fe51a92c172215af8