[INFO] fetching crate xs-channel 0.3.7...
[INFO] testing xs-channel-0.3.7 against master#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1
[INFO] extracting crate xs-channel 0.3.7 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate xs-channel 0.3.7
[INFO] finished tweaking crates.io crate xs-channel 0.3.7
[INFO] tweaked toml for crates.io crate xs-channel 0.3.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xs-channel 0.3.7 on toolchain b03b3a7ec92682be2917540b679478d41c95a30c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "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" "+b03b3a7ec92682be2917540b679478d41c95a30c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `xcm`.
[INFO] [stderr]     ... required by package `xp-channel v0.3.4`
[INFO] [stderr]     ... which satisfies dependency `xp-channel = "^0.3"` of package `xs-channel v0.3.7 (/workspace/builds/worker-4-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^0` are: 0.0.1
[INFO] [stderr] 
[INFO] [stderr] package `xp-channel` depends on `xcm` with feature `std` but `xcm` does not have that feature.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `xcm` which could resolve this conflict


command failed: exit status: 101

    Updating crates.io index
error: failed to select a version for `xcm`.
    ... required by package `xp-channel v0.3.4`
    ... which satisfies dependency `xp-channel = "^0.3"` of package `xs-channel v0.3.7 (/workspace/builds/worker-4-tc1/source)`
versions that meet the requirements `^0` are: 0.0.1

package `xp-channel` depends on `xcm` with feature `std` but `xcm` does not have that feature.


failed to select a version for `xcm` which could resolve this conflict