[INFO] fetching crate estring 0.3.0...
[INFO] testing estring-0.3.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate estring 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate estring 0.3.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate estring 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate estring 0.3.0
[INFO] tweaked toml for crates.io crate estring 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate estring 0.3.0 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95489b634d023455d6ad485f73ea70fad32231a46e8d79382a8233a813673248
[INFO] running `Command { std: "docker" "start" "-a" "95489b634d023455d6ad485f73ea70fad32231a46e8d79382a8233a813673248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95489b634d023455d6ad485f73ea70fad32231a46e8d79382a8233a813673248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95489b634d023455d6ad485f73ea70fad32231a46e8d79382a8233a813673248", kill_on_drop: false }`
[INFO] [stdout] 95489b634d023455d6ad485f73ea70fad32231a46e8d79382a8233a813673248
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c5e12cea0feaf39b650db3b0fbeb5da33ffba94a45ce33c7b864d449b620c72
[INFO] running `Command { std: "docker" "start" "-a" "4c5e12cea0feaf39b650db3b0fbeb5da33ffba94a45ce33c7b864d449b620c72", kill_on_drop: false }`
[INFO] [stderr]    Compiling estring v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "4c5e12cea0feaf39b650db3b0fbeb5da33ffba94a45ce33c7b864d449b620c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5e12cea0feaf39b650db3b0fbeb5da33ffba94a45ce33c7b864d449b620c72", kill_on_drop: false }`
[INFO] [stdout] 4c5e12cea0feaf39b650db3b0fbeb5da33ffba94a45ce33c7b864d449b620c72
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf73458d39b1f2548f8c0548d7b63a7d32cdea65679aeca2bf1c7974259469be
[INFO] running `Command { std: "docker" "start" "-a" "bf73458d39b1f2548f8c0548d7b63a7d32cdea65679aeca2bf1c7974259469be", kill_on_drop: false }`
[INFO] [stderr]    Compiling estring v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::structs`
[INFO] [stdout]   --> src/std/option.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |     use crate::structs::Pair;
[INFO] [stdout]    |                ^^^^^^^ could not find `structs` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `estring` (lib test) due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf73458d39b1f2548f8c0548d7b63a7d32cdea65679aeca2bf1c7974259469be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf73458d39b1f2548f8c0548d7b63a7d32cdea65679aeca2bf1c7974259469be", kill_on_drop: false }`
[INFO] [stdout] bf73458d39b1f2548f8c0548d7b63a7d32cdea65679aeca2bf1c7974259469be
[INFO] testing estring-0.3.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate estring 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate estring 0.3.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate estring 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate estring 0.3.0
[INFO] tweaked toml for crates.io crate estring 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate estring 0.3.0 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56d536fed2c98540fff1df26f51342b114fa388aad5925c0584327d7c4b6bd6a
[INFO] running `Command { std: "docker" "start" "-a" "56d536fed2c98540fff1df26f51342b114fa388aad5925c0584327d7c4b6bd6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56d536fed2c98540fff1df26f51342b114fa388aad5925c0584327d7c4b6bd6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56d536fed2c98540fff1df26f51342b114fa388aad5925c0584327d7c4b6bd6a", kill_on_drop: false }`
[INFO] [stdout] 56d536fed2c98540fff1df26f51342b114fa388aad5925c0584327d7c4b6bd6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a63feec450b7a1b18ecd2f64db6a797e93477152ae961d98a44c990b26b215f
[INFO] running `Command { std: "docker" "start" "-a" "8a63feec450b7a1b18ecd2f64db6a797e93477152ae961d98a44c990b26b215f", kill_on_drop: false }`
[INFO] [stderr]    Compiling estring v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "8a63feec450b7a1b18ecd2f64db6a797e93477152ae961d98a44c990b26b215f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a63feec450b7a1b18ecd2f64db6a797e93477152ae961d98a44c990b26b215f", kill_on_drop: false }`
[INFO] [stdout] 8a63feec450b7a1b18ecd2f64db6a797e93477152ae961d98a44c990b26b215f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02de94b4ed14615121dd802a69fe4ec8ad9e5507f2e8880ab466f2fa7d1dfc0c
[INFO] running `Command { std: "docker" "start" "-a" "02de94b4ed14615121dd802a69fe4ec8ad9e5507f2e8880ab466f2fa7d1dfc0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling estring v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::structs`
[INFO] [stdout]   --> src/std/option.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |     use crate::structs::Pair;
[INFO] [stdout]    |                ^^^^^^^ could not find `structs` in the crate root
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `estring` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "02de94b4ed14615121dd802a69fe4ec8ad9e5507f2e8880ab466f2fa7d1dfc0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02de94b4ed14615121dd802a69fe4ec8ad9e5507f2e8880ab466f2fa7d1dfc0c", kill_on_drop: false }`
[INFO] [stdout] 02de94b4ed14615121dd802a69fe4ec8ad9e5507f2e8880ab466f2fa7d1dfc0c
