[INFO] fetching crate dns-client 0.0.2...
[INFO] checking dns-client-0.0.2 against try#1779a8680dcd39c56ed600627cf6742ef07ed78c for pr-149045
[INFO] extracting crate dns-client 0.0.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate dns-client 0.0.2
[INFO] finished tweaking crates.io crate dns-client 0.0.2
[INFO] tweaked toml for crates.io crate dns-client 0.0.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dns-client 0.0.2 on toolchain 1779a8680dcd39c56ed600627cf6742ef07ed78c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dns-client 0.0.2 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" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: failed to select a version for `conv`.
[INFO] [stderr]     ... required by package `chomp v0.3.1`
[INFO] [stderr]     ... which satisfies dependency `chomp = "^0.3"` (locked to 0.3.1) of package `dnssector v0.2.0`
[INFO] [stderr]     ... which satisfies dependency `dnssector = "^0.2"` (locked to 0.2.0) of package `dnsclient v0.1.7`
[INFO] [stderr]     ... which satisfies dependency `dnsclient = "^0.1.7"` (locked to 0.1.7) of package `dns-client v0.0.2 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^0.3.3` (locked to 0.3.3) are: 0.3.3
[INFO] [stderr] 
[INFO] [stderr] package `chomp` depends on `conv` with feature `std` but `conv` does not have that feature.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `conv` which could resolve this conflict
[INFO] checking dns-client-0.0.2 against try#1779a8680dcd39c56ed600627cf6742ef07ed78c for pr-149045
[INFO] extracting crate dns-client 0.0.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate dns-client 0.0.2
[INFO] finished tweaking crates.io crate dns-client 0.0.2
[INFO] tweaked toml for crates.io crate dns-client 0.0.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dns-client 0.0.2 on toolchain 1779a8680dcd39c56ed600627cf6742ef07ed78c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dns-client 0.0.2 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" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: failed to select a version for `conv`.
[INFO] [stderr]     ... required by package `chomp v0.3.1`
[INFO] [stderr]     ... which satisfies dependency `chomp = "^0.3"` (locked to 0.3.1) of package `dnssector v0.2.0`
[INFO] [stderr]     ... which satisfies dependency `dnssector = "^0.2"` (locked to 0.2.0) of package `dnsclient v0.1.7`
[INFO] [stderr]     ... which satisfies dependency `dnsclient = "^0.1.7"` (locked to 0.1.7) of package `dns-client v0.0.2 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^0.3.3` (locked to 0.3.3) are: 0.3.3
[INFO] [stderr] 
[INFO] [stderr] package `chomp` depends on `conv` with feature `std` but `conv` does not have that feature.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `conv` which could resolve this conflict
[INFO] checking dns-client-0.0.2 against try#1779a8680dcd39c56ed600627cf6742ef07ed78c for pr-149045
[INFO] extracting crate dns-client 0.0.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate dns-client 0.0.2
[INFO] finished tweaking crates.io crate dns-client 0.0.2
[INFO] tweaked toml for crates.io crate dns-client 0.0.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dns-client 0.0.2 on toolchain 1779a8680dcd39c56ed600627cf6742ef07ed78c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dns-client 0.0.2 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" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: failed to select a version for `conv`.
[INFO] [stderr]     ... required by package `chomp v0.3.1`
[INFO] [stderr]     ... which satisfies dependency `chomp = "^0.3"` (locked to 0.3.1) of package `dnssector v0.2.0`
[INFO] [stderr]     ... which satisfies dependency `dnssector = "^0.2"` (locked to 0.2.0) of package `dnsclient v0.1.7`
[INFO] [stderr]     ... which satisfies dependency `dnsclient = "^0.1.7"` (locked to 0.1.7) of package `dns-client v0.0.2 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^0.3.3` (locked to 0.3.3) are: 0.3.3
[INFO] [stderr] 
[INFO] [stderr] package `chomp` depends on `conv` with feature `std` but `conv` does not have that feature.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `conv` which could resolve this conflict
[INFO] checking dns-client-0.0.2 against try#1779a8680dcd39c56ed600627cf6742ef07ed78c for pr-149045
[INFO] extracting crate dns-client 0.0.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate dns-client 0.0.2
[INFO] finished tweaking crates.io crate dns-client 0.0.2
[INFO] tweaked toml for crates.io crate dns-client 0.0.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dns-client 0.0.2 on toolchain 1779a8680dcd39c56ed600627cf6742ef07ed78c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dns-client 0.0.2 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" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: failed to select a version for `conv`.
[INFO] [stderr]     ... required by package `chomp v0.3.1`
[INFO] [stderr]     ... which satisfies dependency `chomp = "^0.3"` (locked to 0.3.1) of package `dnssector v0.2.0`
[INFO] [stderr]     ... which satisfies dependency `dnssector = "^0.2"` (locked to 0.2.0) of package `dnsclient v0.1.7`
[INFO] [stderr]     ... which satisfies dependency `dnsclient = "^0.1.7"` (locked to 0.1.7) of package `dns-client v0.0.2 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^0.3.3` (locked to 0.3.3) are: 0.3.3
[INFO] [stderr] 
[INFO] [stderr] package `chomp` depends on `conv` with feature `std` but `conv` does not have that feature.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `conv` which could resolve this conflict
[INFO] checking dns-client-0.0.2 against try#1779a8680dcd39c56ed600627cf6742ef07ed78c for pr-149045
[INFO] extracting crate dns-client 0.0.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate dns-client 0.0.2
[INFO] finished tweaking crates.io crate dns-client 0.0.2
[INFO] tweaked toml for crates.io crate dns-client 0.0.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dns-client 0.0.2 on toolchain 1779a8680dcd39c56ed600627cf6742ef07ed78c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dns-client 0.0.2 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" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: failed to select a version for `conv`.
[INFO] [stderr]     ... required by package `chomp v0.3.1`
[INFO] [stderr]     ... which satisfies dependency `chomp = "^0.3"` (locked to 0.3.1) of package `dnssector v0.2.0`
[INFO] [stderr]     ... which satisfies dependency `dnssector = "^0.2"` (locked to 0.2.0) of package `dnsclient v0.1.7`
[INFO] [stderr]     ... which satisfies dependency `dnsclient = "^0.1.7"` (locked to 0.1.7) of package `dns-client v0.0.2 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^0.3.3` (locked to 0.3.3) are: 0.3.3
[INFO] [stderr] 
[INFO] [stderr] package `chomp` depends on `conv` with feature `std` but `conv` does not have that feature.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `conv` which could resolve this conflict


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
       error: failed to select a version for `conv`.
           ... required by package `chomp v0.3.1`
           ... which satisfies dependency `chomp = "^0.3"` (locked to 0.3.1) of package `dnssector v0.2.0`
           ... which satisfies dependency `dnssector = "^0.2"` (locked to 0.2.0) of package `dnsclient v0.1.7`
           ... which satisfies dependency `dnsclient = "^0.1.7"` (locked to 0.1.7) of package `dns-client v0.0.2 (/workspace/builds/worker-5-tc2/source)`
       versions that meet the requirements `^0.3.3` (locked to 0.3.3) are: 0.3.3
       
       package `chomp` depends on `conv` with feature `std` but `conv` does not have that feature.
       
       
       failed to select a version for `conv` which could resolve this conflict