[INFO] fetching crate estring 0.3.0...
[INFO] testing estring-0.3.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate estring 0.3.0 into /workspace/builds/worker-2-tc1/source
[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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate estring 0.3.0 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] 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0c34e905cc2a274bdb11bea98fe6b744e3badd71cd084aa5ac0b87ecac1f422
[INFO] running `Command { std: "docker" "start" "-a" "f0c34e905cc2a274bdb11bea98fe6b744e3badd71cd084aa5ac0b87ecac1f422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0c34e905cc2a274bdb11bea98fe6b744e3badd71cd084aa5ac0b87ecac1f422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0c34e905cc2a274bdb11bea98fe6b744e3badd71cd084aa5ac0b87ecac1f422", kill_on_drop: false }`
[INFO] [stdout] f0c34e905cc2a274bdb11bea98fe6b744e3badd71cd084aa5ac0b87ecac1f422
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 013a57097bc62fe277c6d1229e2e4da6451fb65d977a1af1c0c00a22d6ebbd06
[INFO] running `Command { std: "docker" "start" "-a" "013a57097bc62fe277c6d1229e2e4da6451fb65d977a1af1c0c00a22d6ebbd06", kill_on_drop: false }`
[INFO] [stderr]    Compiling estring v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "013a57097bc62fe277c6d1229e2e4da6451fb65d977a1af1c0c00a22d6ebbd06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "013a57097bc62fe277c6d1229e2e4da6451fb65d977a1af1c0c00a22d6ebbd06", kill_on_drop: false }`
[INFO] [stdout] 013a57097bc62fe277c6d1229e2e4da6451fb65d977a1af1c0c00a22d6ebbd06
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60079ce567d5896867ddb0250348a994d486b906edcaf04b1294a7f663f87cd0
[INFO] running `Command { std: "docker" "start" "-a" "60079ce567d5896867ddb0250348a994d486b906edcaf04b1294a7f663f87cd0", 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] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 125 | #[cfg(feature = "structs")]
[INFO] [stdout]     |       ------------------- the item is gated behind the `structs` feature
[INFO] [stdout] 126 | pub mod structs;
[INFO] [stdout]     |         ^^^^^^^
[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 1 previous error
[INFO] running `Command { std: "docker" "inspect" "60079ce567d5896867ddb0250348a994d486b906edcaf04b1294a7f663f87cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60079ce567d5896867ddb0250348a994d486b906edcaf04b1294a7f663f87cd0", kill_on_drop: false }`
[INFO] [stdout] 60079ce567d5896867ddb0250348a994d486b906edcaf04b1294a7f663f87cd0