[INFO] fetching crate cstring 0.1.1...
[INFO] checking cstring-0.1.1 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate cstring 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate cstring 0.1.1 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cstring 0.1.1
[INFO] finished tweaking crates.io crate cstring 0.1.1
[INFO] tweaked toml for crates.io crate cstring 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64fc9bde223cba8d9d2b3318be9ea6f46b7be52dc5945d93e0aad144efcb0dec
[INFO] running `Command { std: "docker" "start" "-a" "64fc9bde223cba8d9d2b3318be9ea6f46b7be52dc5945d93e0aad144efcb0dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64fc9bde223cba8d9d2b3318be9ea6f46b7be52dc5945d93e0aad144efcb0dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64fc9bde223cba8d9d2b3318be9ea6f46b7be52dc5945d93e0aad144efcb0dec", kill_on_drop: false }`
[INFO] [stdout] 64fc9bde223cba8d9d2b3318be9ea6f46b7be52dc5945d93e0aad144efcb0dec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0506690d1444a790c3851780d7d1a800748106e288c71dd53ddc52df60c8265b
[INFO] running `Command { std: "docker" "start" "-a" "0506690d1444a790c3851780d7d1a800748106e288c71dd53ddc52df60c8265b", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking cstring v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0468]: an `extern crate` loading macros must be at the crate root
[INFO] [stdout]   --> src/cstr_core.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate std;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0468`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cstring` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0506690d1444a790c3851780d7d1a800748106e288c71dd53ddc52df60c8265b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0506690d1444a790c3851780d7d1a800748106e288c71dd53ddc52df60c8265b", kill_on_drop: false }`
[INFO] [stdout] 0506690d1444a790c3851780d7d1a800748106e288c71dd53ddc52df60c8265b
[INFO] checking cstring-0.1.1 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate cstring 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate cstring 0.1.1 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cstring 0.1.1
[INFO] finished tweaking crates.io crate cstring 0.1.1
[INFO] tweaked toml for crates.io crate cstring 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 460ab740f66b64c56853f189442cbcc7f1e4726d3485f2560e3faa47b2b430b6
[INFO] running `Command { std: "docker" "start" "-a" "460ab740f66b64c56853f189442cbcc7f1e4726d3485f2560e3faa47b2b430b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "460ab740f66b64c56853f189442cbcc7f1e4726d3485f2560e3faa47b2b430b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "460ab740f66b64c56853f189442cbcc7f1e4726d3485f2560e3faa47b2b430b6", kill_on_drop: false }`
[INFO] [stdout] 460ab740f66b64c56853f189442cbcc7f1e4726d3485f2560e3faa47b2b430b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 798deb2bbce9e3f14d1e5ab2fcf0b1be70b984ae35709bdeef4cf7a56b71c5a5
[INFO] running `Command { std: "docker" "start" "-a" "798deb2bbce9e3f14d1e5ab2fcf0b1be70b984ae35709bdeef4cf7a56b71c5a5", kill_on_drop: false }`
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking cstring v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0468]: an `extern crate` loading macros must be at the crate root
[INFO] [stdout]   --> src/cstr_core.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate std;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0468`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cstring` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "798deb2bbce9e3f14d1e5ab2fcf0b1be70b984ae35709bdeef4cf7a56b71c5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "798deb2bbce9e3f14d1e5ab2fcf0b1be70b984ae35709bdeef4cf7a56b71c5a5", kill_on_drop: false }`
[INFO] [stdout] 798deb2bbce9e3f14d1e5ab2fcf0b1be70b984ae35709bdeef4cf7a56b71c5a5
