[INFO] fetching crate xbi-channel-primitives 0.3.2...
[INFO] checking xbi-channel-primitives-0.3.2 against master#7606c13961ddc1174b70638e934df0439b7dc515 for pr-121979
[INFO] extracting crate xbi-channel-primitives 0.3.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate xbi-channel-primitives 0.3.2 on toolchain 7606c13961ddc1174b70638e934df0439b7dc515
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7606c13961ddc1174b70638e934df0439b7dc515" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xbi-channel-primitives 0.3.2
[INFO] finished tweaking crates.io crate xbi-channel-primitives 0.3.2
[INFO] tweaked toml for crates.io crate xbi-channel-primitives 0.3.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7606c13961ddc1174b70638e934df0439b7dc515" "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 `xbi-channel-primitives v0.3.2 (/workspace/builds/worker-4-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^0` are: 0.0.1
[INFO] [stderr] 
[INFO] [stderr] the package `xbi-channel-primitives` depends on `xcm`, with features: `std` but `xcm` does not have these features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `xcm` which could resolve this conflict
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking xbi-channel-primitives-0.3.2 against try#ae973628c64ab60398819bcc1fd9f08ae68ad5b5 for pr-121979
[INFO] extracting crate xbi-channel-primitives 0.3.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate xbi-channel-primitives 0.3.2 on toolchain ae973628c64ab60398819bcc1fd9f08ae68ad5b5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xbi-channel-primitives 0.3.2
[INFO] finished tweaking crates.io crate xbi-channel-primitives 0.3.2
[INFO] tweaked toml for crates.io crate xbi-channel-primitives 0.3.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "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 `xbi-channel-primitives v0.3.2 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^0` are: 0.0.1
[INFO] [stderr] 
[INFO] [stderr] the package `xbi-channel-primitives` depends on `xcm`, with features: `std` but `xcm` does not have these features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `xcm` which could resolve this conflict
[INFO] checking xbi-channel-primitives-0.3.2 against try#ae973628c64ab60398819bcc1fd9f08ae68ad5b5 for pr-121979
[INFO] extracting crate xbi-channel-primitives 0.3.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate xbi-channel-primitives 0.3.2 on toolchain ae973628c64ab60398819bcc1fd9f08ae68ad5b5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xbi-channel-primitives 0.3.2
[INFO] finished tweaking crates.io crate xbi-channel-primitives 0.3.2
[INFO] tweaked toml for crates.io crate xbi-channel-primitives 0.3.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "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 `xbi-channel-primitives v0.3.2 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^0` are: 0.0.1
[INFO] [stderr] 
[INFO] [stderr] the package `xbi-channel-primitives` depends on `xcm`, with features: `std` but `xcm` does not have these features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `xcm` which could resolve this conflict
[INFO] checking xbi-channel-primitives-0.3.2 against try#ae973628c64ab60398819bcc1fd9f08ae68ad5b5 for pr-121979
[INFO] extracting crate xbi-channel-primitives 0.3.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate xbi-channel-primitives 0.3.2 on toolchain ae973628c64ab60398819bcc1fd9f08ae68ad5b5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xbi-channel-primitives 0.3.2
[INFO] finished tweaking crates.io crate xbi-channel-primitives 0.3.2
[INFO] tweaked toml for crates.io crate xbi-channel-primitives 0.3.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "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 `xbi-channel-primitives v0.3.2 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^0` are: 0.0.1
[INFO] [stderr] 
[INFO] [stderr] the package `xbi-channel-primitives` depends on `xcm`, with features: `std` but `xcm` does not have these features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `xcm` which could resolve this conflict
[INFO] checking xbi-channel-primitives-0.3.2 against try#ae973628c64ab60398819bcc1fd9f08ae68ad5b5 for pr-121979
[INFO] extracting crate xbi-channel-primitives 0.3.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate xbi-channel-primitives 0.3.2 on toolchain ae973628c64ab60398819bcc1fd9f08ae68ad5b5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xbi-channel-primitives 0.3.2
[INFO] finished tweaking crates.io crate xbi-channel-primitives 0.3.2
[INFO] tweaked toml for crates.io crate xbi-channel-primitives 0.3.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "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 `xbi-channel-primitives v0.3.2 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^0` are: 0.0.1
[INFO] [stderr] 
[INFO] [stderr] the package `xbi-channel-primitives` depends on `xcm`, with features: `std` but `xcm` does not have these features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `xcm` which could resolve this conflict
[INFO] checking xbi-channel-primitives-0.3.2 against try#ae973628c64ab60398819bcc1fd9f08ae68ad5b5 for pr-121979
[INFO] extracting crate xbi-channel-primitives 0.3.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate xbi-channel-primitives 0.3.2 on toolchain ae973628c64ab60398819bcc1fd9f08ae68ad5b5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xbi-channel-primitives 0.3.2
[INFO] finished tweaking crates.io crate xbi-channel-primitives 0.3.2
[INFO] tweaked toml for crates.io crate xbi-channel-primitives 0.3.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "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 `xbi-channel-primitives v0.3.2 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^0` are: 0.0.1
[INFO] [stderr] 
[INFO] [stderr] the package `xbi-channel-primitives` depends on `xcm`, with features: `std` but `xcm` does not have these features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `xcm` which could resolve this conflict
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.