[INFO] fetching crate xlsx2csv 0.4.0...
[INFO] testing xlsx2csv-0.4.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate xlsx2csv 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate xlsx2csv 0.4.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xlsx2csv 0.4.0
[INFO] finished tweaking crates.io crate xlsx2csv 0.4.0
[INFO] tweaked toml for crates.io crate xlsx2csv 0.4.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate xlsx2csv 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip v0.5.8
[INFO] [stderr]   Downloaded pbr v1.0.3
[INFO] [stderr]   Downloaded serde_test v1.0.118
[INFO] [stderr]   Downloaded paste v1.0.4
[INFO] [stderr]   Downloaded snailquote v0.3.0
[INFO] [stderr]   Downloaded syn v1.0.40
[INFO] [stderr]   Downloaded quick-xml v0.20.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.21
[INFO] [stderr]   Downloaded ooxml v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2619350daa50ab92d87718794f77d257567e55445ed9f66d94017e1e58800e0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f2619350daa50ab92d87718794f77d257567e55445ed9f66d94017e1e58800e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2619350daa50ab92d87718794f77d257567e55445ed9f66d94017e1e58800e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2619350daa50ab92d87718794f77d257567e55445ed9f66d94017e1e58800e0", kill_on_drop: false }`
[INFO] [stdout] f2619350daa50ab92d87718794f77d257567e55445ed9f66d94017e1e58800e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 06641623ed5abf07f2a11106229efbc2c5b3285723451a98aad89903bfe3fd32
[INFO] running `Command { std: "docker" "start" "-a" "06641623ed5abf07f2a11106229efbc2c5b3285723451a98aad89903bfe3fd32", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling quick-xml v0.17.2
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling pbr v1.0.3
[INFO] [stderr]    Compiling minidom v0.12.0
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling snailquote v0.3.0
[INFO] [stderr]    Compiling zip v0.5.8
[INFO] [stderr]    Compiling structopt v0.3.17
[INFO] [stderr]    Compiling serde_test v1.0.118
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling quick-xml v0.20.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling ooxml v0.1.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ooxml-0.1.2/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_split_once)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ooxml`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "06641623ed5abf07f2a11106229efbc2c5b3285723451a98aad89903bfe3fd32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06641623ed5abf07f2a11106229efbc2c5b3285723451a98aad89903bfe3fd32", kill_on_drop: false }`
[INFO] [stdout] 06641623ed5abf07f2a11106229efbc2c5b3285723451a98aad89903bfe3fd32