[INFO] fetching crate xs-channel 0.3.7...
[INFO] checking xs-channel-0.3.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate xs-channel 0.3.7 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xs-channel 0.3.7 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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-6-tc2/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
[INFO] checking xs-channel-0.3.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate xs-channel 0.3.7 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xs-channel 0.3.7 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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-6-tc2/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
[INFO] checking xs-channel-0.3.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate xs-channel 0.3.7 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xs-channel 0.3.7 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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-6-tc2/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
[INFO] checking xs-channel-0.3.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate xs-channel 0.3.7 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xs-channel 0.3.7 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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-6-tc2/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
[INFO] checking xs-channel-0.3.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate xs-channel 0.3.7 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xs-channel 0.3.7 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-6-tc2/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

    Blocking waiting for file lock on package cache
    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-6-tc2/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