[INFO] fetching crate rattler-build 0.27.0...
[INFO] testing rattler-build-0.27.0 against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] extracting crate rattler-build 0.27.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate rattler-build 0.27.0 on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate rattler-build 0.27.0
[INFO] finished tweaking crates.io crate rattler-build 0.27.0
[INFO] tweaked toml for crates.io crate rattler-build 0.27.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate rattler-build 0.27.0 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `rattler = "^0.27.15"` (locked to 0.27.15)
[INFO] [stderr] candidate versions found which didn't match: 0.26.5, 0.26.4, 0.26.3, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `rattler-build v0.27.0 (/workspace/builds/worker-0-tc2/source)`
[INFO] testing rattler-build-0.27.0 against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] extracting crate rattler-build 0.27.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate rattler-build 0.27.0 on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate rattler-build 0.27.0
[INFO] finished tweaking crates.io crate rattler-build 0.27.0
[INFO] tweaked toml for crates.io crate rattler-build 0.27.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate rattler-build 0.27.0 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "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 the requirement `rattler = "^0.27.15"` (locked to 0.27.15)
[INFO] [stderr] candidate versions found which didn't match: 0.26.5, 0.26.4, 0.26.3, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `rattler-build v0.27.0 (/workspace/builds/worker-0-tc2/source)`
[INFO] testing rattler-build-0.27.0 against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] extracting crate rattler-build 0.27.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate rattler-build 0.27.0 on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate rattler-build 0.27.0
[INFO] finished tweaking crates.io crate rattler-build 0.27.0
[INFO] tweaked toml for crates.io crate rattler-build 0.27.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate rattler-build 0.27.0 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "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 the requirement `rattler = "^0.27.15"` (locked to 0.27.15)
[INFO] [stderr] candidate versions found which didn't match: 0.26.5, 0.26.4, 0.26.3, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `rattler-build v0.27.0 (/workspace/builds/worker-0-tc2/source)`
[INFO] testing rattler-build-0.27.0 against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] extracting crate rattler-build 0.27.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate rattler-build 0.27.0 on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate rattler-build 0.27.0
[INFO] finished tweaking crates.io crate rattler-build 0.27.0
[INFO] tweaked toml for crates.io crate rattler-build 0.27.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate rattler-build 0.27.0 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "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 the requirement `rattler = "^0.27.15"` (locked to 0.27.15)
[INFO] [stderr] candidate versions found which didn't match: 0.26.5, 0.26.4, 0.26.3, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `rattler-build v0.27.0 (/workspace/builds/worker-0-tc2/source)`
[INFO] testing rattler-build-0.27.0 against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] extracting crate rattler-build 0.27.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate rattler-build 0.27.0 on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate rattler-build 0.27.0
[INFO] finished tweaking crates.io crate rattler-build 0.27.0
[INFO] tweaked toml for crates.io crate rattler-build 0.27.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate rattler-build 0.27.0 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `rattler = "^0.27.15"` (locked to 0.27.15)
[INFO] [stderr] candidate versions found which didn't match: 0.26.5, 0.26.4, 0.26.3, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `rattler-build v0.27.0 (/workspace/builds/worker-0-tc2/source)`


command failed: exit status: 101

    Updating crates.io index
error: failed to select a version for the requirement `rattler = "^0.27.15"` (locked to 0.27.15)
candidate versions found which didn't match: 0.26.5, 0.26.4, 0.26.3, ...
location searched: crates.io index
required by package `rattler-build v0.27.0 (/workspace/builds/worker-0-tc2/source)`