[INFO] fetching crate pybuild 0.0.2...
[INFO] testing pybuild-0.0.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate pybuild 0.0.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate pybuild 0.0.2
[INFO] finished tweaking crates.io crate pybuild 0.0.2
[INFO] tweaked toml for crates.io crate pybuild 0.0.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pybuild 0.0.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pybuild 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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 `env_logger = "^0.11"` (locked to 0.11.8)
[INFO] [stderr] candidate versions found which didn't match: 0.5.11, 0.5.10, 0.5.9, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `pybuild v0.0.2 (/workspace/builds/worker-1-tc2/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     env_logger = { version = "0.5.0-rc.2" }
[INFO] testing pybuild-0.0.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate pybuild 0.0.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate pybuild 0.0.2
[INFO] finished tweaking crates.io crate pybuild 0.0.2
[INFO] tweaked toml for crates.io crate pybuild 0.0.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pybuild 0.0.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pybuild 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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 `env_logger = "^0.11"` (locked to 0.11.8)
[INFO] [stderr] candidate versions found which didn't match: 0.5.11, 0.5.10, 0.5.9, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `pybuild v0.0.2 (/workspace/builds/worker-1-tc2/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     env_logger = { version = "0.5.0-rc.2" }
[INFO] testing pybuild-0.0.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate pybuild 0.0.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate pybuild 0.0.2
[INFO] finished tweaking crates.io crate pybuild 0.0.2
[INFO] tweaked toml for crates.io crate pybuild 0.0.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pybuild 0.0.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pybuild 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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 `env_logger = "^0.11"` (locked to 0.11.8)
[INFO] [stderr] candidate versions found which didn't match: 0.5.11, 0.5.10, 0.5.9, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `pybuild v0.0.2 (/workspace/builds/worker-1-tc2/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     env_logger = { version = "0.5.0-rc.2" }
[INFO] testing pybuild-0.0.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate pybuild 0.0.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate pybuild 0.0.2
[INFO] finished tweaking crates.io crate pybuild 0.0.2
[INFO] tweaked toml for crates.io crate pybuild 0.0.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pybuild 0.0.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pybuild 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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 `env_logger = "^0.11"` (locked to 0.11.8)
[INFO] [stderr] candidate versions found which didn't match: 0.5.11, 0.5.10, 0.5.9, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `pybuild v0.0.2 (/workspace/builds/worker-1-tc2/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     env_logger = { version = "0.5.0-rc.2" }
[INFO] testing pybuild-0.0.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate pybuild 0.0.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate pybuild 0.0.2
[INFO] finished tweaking crates.io crate pybuild 0.0.2
[INFO] tweaked toml for crates.io crate pybuild 0.0.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pybuild 0.0.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pybuild 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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 `env_logger = "^0.11"` (locked to 0.11.8)
[INFO] [stderr] candidate versions found which didn't match: 0.5.11, 0.5.10, 0.5.9, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `pybuild v0.0.2 (/workspace/builds/worker-1-tc2/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     env_logger = { version = "0.5.0-rc.2" }


command failed: exit status: 101

    Updating crates.io index
error: failed to select a version for the requirement `env_logger = "^0.11"` (locked to 0.11.8)
candidate versions found which didn't match: 0.5.11, 0.5.10, 0.5.9, ...
location searched: crates.io index
required by package `pybuild v0.0.2 (/workspace/builds/worker-1-tc2/source)`
if you are looking for the prerelease package it needs to be specified explicitly
    env_logger = { version = "0.5.0-rc.2" }