[INFO] fetching crate estring 0.3.0...
[INFO] testing estring-0.3.0 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate estring 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate estring 0.3.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "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-6-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-2023-04-20" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99abcc47c4d01d746b6f7f89d293fa417cacf4992e1bed321cc1ada6526a7c52
[INFO] running `Command { std: "docker" "start" "-a" "99abcc47c4d01d746b6f7f89d293fa417cacf4992e1bed321cc1ada6526a7c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99abcc47c4d01d746b6f7f89d293fa417cacf4992e1bed321cc1ada6526a7c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99abcc47c4d01d746b6f7f89d293fa417cacf4992e1bed321cc1ada6526a7c52", kill_on_drop: false }`
[INFO] [stdout] 99abcc47c4d01d746b6f7f89d293fa417cacf4992e1bed321cc1ada6526a7c52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 514f4a70985dcd4aa402241e4d702ad52b54f43b8e7acc116c423b69163cd33e
[INFO] running `Command { std: "docker" "start" "-a" "514f4a70985dcd4aa402241e4d702ad52b54f43b8e7acc116c423b69163cd33e", kill_on_drop: false }`
[INFO] [stderr]    Compiling estring v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "514f4a70985dcd4aa402241e4d702ad52b54f43b8e7acc116c423b69163cd33e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "514f4a70985dcd4aa402241e4d702ad52b54f43b8e7acc116c423b69163cd33e", kill_on_drop: false }`
[INFO] [stdout] 514f4a70985dcd4aa402241e4d702ad52b54f43b8e7acc116c423b69163cd33e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82609f9dc85c9bc5a2f16b6650d15b3519f32b8e3b400b40e53569f702e8d77c
[INFO] running `Command { std: "docker" "start" "-a" "82609f9dc85c9bc5a2f16b6650d15b3519f32b8e3b400b40e53569f702e8d77c", 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] [stderr] error: could not compile `estring` (lib test) due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "82609f9dc85c9bc5a2f16b6650d15b3519f32b8e3b400b40e53569f702e8d77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82609f9dc85c9bc5a2f16b6650d15b3519f32b8e3b400b40e53569f702e8d77c", kill_on_drop: false }`
[INFO] [stdout] 82609f9dc85c9bc5a2f16b6650d15b3519f32b8e3b400b40e53569f702e8d77c
