[INFO] fetching crate emulatorr 0.1.0-alpha...
[INFO] checking emulatorr-0.1.0-alpha against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] extracting crate emulatorr 0.1.0-alpha into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate emulatorr 0.1.0-alpha
[INFO] finished tweaking crates.io crate emulatorr 0.1.0-alpha
[INFO] tweaked toml for crates.io crate emulatorr 0.1.0-alpha written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate emulatorr 0.1.0-alpha on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate emulatorr 0.1.0-alpha already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--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 `cfg-if`.
[INFO] [stderr]     ... required by package `thread-services v0.1.0`
[INFO] [stderr]     ... which satisfies dependency `thread-services = "^0.1.0"` of package `thread v0.1.0`
[INFO] [stderr]     ... which satisfies dependency `thread = "^0.1.0"` (locked to 0.1.0) of package `emulatorr v0.1.0-alpha (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^1.0.4` are: 1.0.4
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `cfg-if v1.0.0`
[INFO] [stderr]     ... which satisfies dependency `cfg-if = "^1.0"` (locked to 1.0.0) of package `ahash v0.8.3`
[INFO] [stderr]     ... which satisfies dependency `ahash = "^0.8"` (locked to 0.8.3) of package `mpsc v0.2.0`
[INFO] [stderr]     ... which satisfies dependency `mpsc = "^0.2.0"` (locked to 0.2.0) of package `emulatorr v0.1.0-alpha (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `cfg-if` which could resolve this conflict
[INFO] checking emulatorr-0.1.0-alpha against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] extracting crate emulatorr 0.1.0-alpha into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate emulatorr 0.1.0-alpha
[INFO] finished tweaking crates.io crate emulatorr 0.1.0-alpha
[INFO] tweaked toml for crates.io crate emulatorr 0.1.0-alpha written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate emulatorr 0.1.0-alpha on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate emulatorr 0.1.0-alpha already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `cfg-if`.
[INFO] [stderr]     ... required by package `thread-services v0.1.0`
[INFO] [stderr]     ... which satisfies dependency `thread-services = "^0.1.0"` of package `thread v0.1.0`
[INFO] [stderr]     ... which satisfies dependency `thread = "^0.1.0"` (locked to 0.1.0) of package `emulatorr v0.1.0-alpha (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^1.0.4` are: 1.0.4
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `cfg-if v1.0.0`
[INFO] [stderr]     ... which satisfies dependency `cfg-if = "^1.0"` (locked to 1.0.0) of package `ahash v0.8.3`
[INFO] [stderr]     ... which satisfies dependency `ahash = "^0.8"` (locked to 0.8.3) of package `mpsc v0.2.0`
[INFO] [stderr]     ... which satisfies dependency `mpsc = "^0.2.0"` (locked to 0.2.0) of package `emulatorr v0.1.0-alpha (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `cfg-if` which could resolve this conflict
[INFO] checking emulatorr-0.1.0-alpha against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] extracting crate emulatorr 0.1.0-alpha into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate emulatorr 0.1.0-alpha
[INFO] finished tweaking crates.io crate emulatorr 0.1.0-alpha
[INFO] tweaked toml for crates.io crate emulatorr 0.1.0-alpha written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate emulatorr 0.1.0-alpha on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate emulatorr 0.1.0-alpha already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `cfg-if`.
[INFO] [stderr]     ... required by package `thread-services v0.1.0`
[INFO] [stderr]     ... which satisfies dependency `thread-services = "^0.1.0"` of package `thread v0.1.0`
[INFO] [stderr]     ... which satisfies dependency `thread = "^0.1.0"` (locked to 0.1.0) of package `emulatorr v0.1.0-alpha (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^1.0.4` are: 1.0.4
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `cfg-if v1.0.0`
[INFO] [stderr]     ... which satisfies dependency `cfg-if = "^1.0"` (locked to 1.0.0) of package `ahash v0.8.3`
[INFO] [stderr]     ... which satisfies dependency `ahash = "^0.8"` (locked to 0.8.3) of package `mpsc v0.2.0`
[INFO] [stderr]     ... which satisfies dependency `mpsc = "^0.2.0"` (locked to 0.2.0) of package `emulatorr v0.1.0-alpha (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `cfg-if` which could resolve this conflict
[INFO] checking emulatorr-0.1.0-alpha against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] extracting crate emulatorr 0.1.0-alpha into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate emulatorr 0.1.0-alpha
[INFO] finished tweaking crates.io crate emulatorr 0.1.0-alpha
[INFO] tweaked toml for crates.io crate emulatorr 0.1.0-alpha written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate emulatorr 0.1.0-alpha on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate emulatorr 0.1.0-alpha already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `cfg-if`.
[INFO] [stderr]     ... required by package `thread-services v0.1.0`
[INFO] [stderr]     ... which satisfies dependency `thread-services = "^0.1.0"` of package `thread v0.1.0`
[INFO] [stderr]     ... which satisfies dependency `thread = "^0.1.0"` (locked to 0.1.0) of package `emulatorr v0.1.0-alpha (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^1.0.4` are: 1.0.4
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `cfg-if v1.0.0`
[INFO] [stderr]     ... which satisfies dependency `cfg-if = "^1.0"` (locked to 1.0.0) of package `ahash v0.8.3`
[INFO] [stderr]     ... which satisfies dependency `ahash = "^0.8"` (locked to 0.8.3) of package `mpsc v0.2.0`
[INFO] [stderr]     ... which satisfies dependency `mpsc = "^0.2.0"` (locked to 0.2.0) of package `emulatorr v0.1.0-alpha (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `cfg-if` which could resolve this conflict
[INFO] checking emulatorr-0.1.0-alpha against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] extracting crate emulatorr 0.1.0-alpha into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate emulatorr 0.1.0-alpha
[INFO] finished tweaking crates.io crate emulatorr 0.1.0-alpha
[INFO] tweaked toml for crates.io crate emulatorr 0.1.0-alpha written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate emulatorr 0.1.0-alpha on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate emulatorr 0.1.0-alpha already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `cfg-if`.
[INFO] [stderr]     ... required by package `thread-services v0.1.0`
[INFO] [stderr]     ... which satisfies dependency `thread-services = "^0.1.0"` of package `thread v0.1.0`
[INFO] [stderr]     ... which satisfies dependency `thread = "^0.1.0"` (locked to 0.1.0) of package `emulatorr v0.1.0-alpha (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^1.0.4` are: 1.0.4
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `cfg-if v1.0.0`
[INFO] [stderr]     ... which satisfies dependency `cfg-if = "^1.0"` (locked to 1.0.0) of package `ahash v0.8.3`
[INFO] [stderr]     ... which satisfies dependency `ahash = "^0.8"` (locked to 0.8.3) of package `mpsc v0.2.0`
[INFO] [stderr]     ... which satisfies dependency `mpsc = "^0.2.0"` (locked to 0.2.0) of package `emulatorr v0.1.0-alpha (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `cfg-if` which could resolve this conflict


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
           Updating crates.io index
       error: failed to select a version for `cfg-if`.
           ... required by package `thread-services v0.1.0`
           ... which satisfies dependency `thread-services = "^0.1.0"` of package `thread v0.1.0`
           ... which satisfies dependency `thread = "^0.1.0"` (locked to 0.1.0) of package `emulatorr v0.1.0-alpha (/workspace/builds/worker-5-tc2/source)`
       versions that meet the requirements `^1.0.4` are: 1.0.4
       
       all possible versions conflict with previously selected packages
       
         previously selected package `cfg-if v1.0.0`
           ... which satisfies dependency `cfg-if = "^1.0"` (locked to 1.0.0) of package `ahash v0.8.3`
           ... which satisfies dependency `ahash = "^0.8"` (locked to 0.8.3) of package `mpsc v0.2.0`
           ... which satisfies dependency `mpsc = "^0.2.0"` (locked to 0.2.0) of package `emulatorr v0.1.0-alpha (/workspace/builds/worker-5-tc2/source)`
       
       failed to select a version for `cfg-if` which could resolve this conflict