[INFO] fetching crate seekable-iterator 0.3.1...
[INFO] testing seekable-iterator-0.3.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate seekable-iterator 0.3.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate seekable-iterator 0.3.1
[INFO] finished tweaking crates.io crate seekable-iterator 0.3.1
[INFO] tweaked toml for crates.io crate seekable-iterator 0.3.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate seekable-iterator 0.3.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate seekable-iterator 0.3.1 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generic-container v0.2.1
[INFO] [stderr]   Downloaded lender v0.3.2
[INFO] [stderr]   Downloaded clone-behavior v0.0.1
[INFO] [stderr]   Downloaded stable_try_trait_v2 v1.75.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6bd49bb35d5506c09375d715ca8b5c4341c5030d4289b1c90fe8f06911986d3
[INFO] running `Command { std: "docker" "start" "-a" "c6bd49bb35d5506c09375d715ca8b5c4341c5030d4289b1c90fe8f06911986d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6bd49bb35d5506c09375d715ca8b5c4341c5030d4289b1c90fe8f06911986d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6bd49bb35d5506c09375d715ca8b5c4341c5030d4289b1c90fe8f06911986d3", kill_on_drop: false }`
[INFO] [stdout] c6bd49bb35d5506c09375d715ca8b5c4341c5030d4289b1c90fe8f06911986d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d408e168948c9dd734958c15f602936d9c45f92a6cf53d64b5e4997d09d13cf
[INFO] running `Command { std: "docker" "start" "-a" "6d408e168948c9dd734958c15f602936d9c45f92a6cf53d64b5e4997d09d13cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-container v0.2.1
[INFO] [stderr]    Compiling clone-behavior v0.0.1
[INFO] [stderr]    Compiling seekable-iterator v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "6d408e168948c9dd734958c15f602936d9c45f92a6cf53d64b5e4997d09d13cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d408e168948c9dd734958c15f602936d9c45f92a6cf53d64b5e4997d09d13cf", kill_on_drop: false }`
[INFO] [stdout] 6d408e168948c9dd734958c15f602936d9c45f92a6cf53d64b5e4997d09d13cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a855bc4fccb7a6c9eaad7bbd5e0c7078d6275d377e6fb8edac650404a32b5e6
[INFO] running `Command { std: "docker" "start" "-a" "3a855bc4fccb7a6c9eaad7bbd5e0c7078d6275d377e6fb8edac650404a32b5e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling seekable-iterator v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "3a855bc4fccb7a6c9eaad7bbd5e0c7078d6275d377e6fb8edac650404a32b5e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a855bc4fccb7a6c9eaad7bbd5e0c7078d6275d377e6fb8edac650404a32b5e6", kill_on_drop: false }`
[INFO] [stdout] 3a855bc4fccb7a6c9eaad7bbd5e0c7078d6275d377e6fb8edac650404a32b5e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ee0175fe9ddf601f29dbded4edada63efcc82e16f6808fbd7d4222298b264c18
[INFO] running `Command { std: "docker" "start" "-a" "ee0175fe9ddf601f29dbded4edada63efcc82e16f6808fbd7d4222298b264c18", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/seekable_iterator-f50e1a16c8915220)
[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] [stderr]    Doc-tests seekable_iterator
[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" "ee0175fe9ddf601f29dbded4edada63efcc82e16f6808fbd7d4222298b264c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee0175fe9ddf601f29dbded4edada63efcc82e16f6808fbd7d4222298b264c18", kill_on_drop: false }`
[INFO] [stdout] ee0175fe9ddf601f29dbded4edada63efcc82e16f6808fbd7d4222298b264c18