[INFO] fetching crate rexl 0.0.4...
[INFO] checking rexl-0.0.4 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate rexl 0.0.4 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rexl 0.0.4
[INFO] finished tweaking crates.io crate rexl 0.0.4
[INFO] tweaked toml for crates.io crate rexl 0.0.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rexl 0.0.4 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d00e82c4c205f403698e83579ea67320e3958227178a7b4d63e0ba7a9aa5c2e4
[INFO] running `Command { std: "docker" "start" "-a" "d00e82c4c205f403698e83579ea67320e3958227178a7b4d63e0ba7a9aa5c2e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d00e82c4c205f403698e83579ea67320e3958227178a7b4d63e0ba7a9aa5c2e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d00e82c4c205f403698e83579ea67320e3958227178a7b4d63e0ba7a9aa5c2e4", kill_on_drop: false }`
[INFO] [stdout] d00e82c4c205f403698e83579ea67320e3958227178a7b4d63e0ba7a9aa5c2e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40411ca779075a7be6c381a71a0d08132add09bcac6611dbdc1cc972d76b015d
[INFO] running `Command { std: "docker" "start" "-a" "40411ca779075a7be6c381a71a0d08132add09bcac6611dbdc1cc972d76b015d", kill_on_drop: false }`
[INFO] [stderr]     Checking rexl v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::arg_parse_impl::*`
[INFO] [stdout]  --> src/cli/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use self::arg_parse_impl::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::arg_parse_impl::*`
[INFO] [stdout]  --> src/cli/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use self::arg_parse_impl::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `qrcode` is defined multiple times
[INFO] [stdout]   --> tests/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | mod qrcode;
[INFO] [stdout]    | ----------- previous definition of the module `qrcode` here
[INFO] [stdout] 11 | #[cfg(test)]
[INFO] [stdout] 12 | mod qrcode;
[INFO] [stdout]    | ^^^^^^^^^^^ `qrcode` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `qrcode` must be defined only once in the type namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0428`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rexl` (test "lib") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "40411ca779075a7be6c381a71a0d08132add09bcac6611dbdc1cc972d76b015d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40411ca779075a7be6c381a71a0d08132add09bcac6611dbdc1cc972d76b015d", kill_on_drop: false }`
[INFO] [stdout] 40411ca779075a7be6c381a71a0d08132add09bcac6611dbdc1cc972d76b015d