[INFO] fetching crate uu_wc 0.1.0...
[INFO] checking uu_wc-0.1.0 against try#1f5783cbeb5da8b38566d718631d016891e9c912 for pr-142704
[INFO] extracting crate uu_wc 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate uu_wc 0.1.0 on toolchain 1f5783cbeb5da8b38566d718631d016891e9c912
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uu_wc 0.1.0
[INFO] finished tweaking crates.io crate uu_wc 0.1.0
[INFO] tweaked toml for crates.io crate uu_wc 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate uu_wc 0.1.0 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" "+1f5783cbeb5da8b38566d718631d016891e9c912" "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 `uucore = "^0.1.0"` (locked to 0.1.0)
[INFO] [stderr] candidate versions found which didn't match: 0.0.20, 0.0.19, 0.0.18, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `uu_wc v0.1.0 (/workspace/builds/worker-5-tc2/source)`
[INFO] checking uu_wc-0.1.0 against try#1f5783cbeb5da8b38566d718631d016891e9c912 for pr-142704
[INFO] extracting crate uu_wc 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate uu_wc 0.1.0 on toolchain 1f5783cbeb5da8b38566d718631d016891e9c912
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uu_wc 0.1.0
[INFO] finished tweaking crates.io crate uu_wc 0.1.0
[INFO] tweaked toml for crates.io crate uu_wc 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate uu_wc 0.1.0 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" "+1f5783cbeb5da8b38566d718631d016891e9c912" "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 `uucore = "^0.1.0"` (locked to 0.1.0)
[INFO] [stderr] candidate versions found which didn't match: 0.0.20, 0.0.19, 0.0.18, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `uu_wc v0.1.0 (/workspace/builds/worker-5-tc2/source)`
[INFO] checking uu_wc-0.1.0 against try#1f5783cbeb5da8b38566d718631d016891e9c912 for pr-142704
[INFO] extracting crate uu_wc 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate uu_wc 0.1.0 on toolchain 1f5783cbeb5da8b38566d718631d016891e9c912
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uu_wc 0.1.0
[INFO] finished tweaking crates.io crate uu_wc 0.1.0
[INFO] tweaked toml for crates.io crate uu_wc 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate uu_wc 0.1.0 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" "+1f5783cbeb5da8b38566d718631d016891e9c912" "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 `uucore = "^0.1.0"` (locked to 0.1.0)
[INFO] [stderr] candidate versions found which didn't match: 0.0.20, 0.0.19, 0.0.18, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `uu_wc v0.1.0 (/workspace/builds/worker-5-tc2/source)`
[INFO] checking uu_wc-0.1.0 against try#1f5783cbeb5da8b38566d718631d016891e9c912 for pr-142704
[INFO] extracting crate uu_wc 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate uu_wc 0.1.0 on toolchain 1f5783cbeb5da8b38566d718631d016891e9c912
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uu_wc 0.1.0
[INFO] finished tweaking crates.io crate uu_wc 0.1.0
[INFO] tweaked toml for crates.io crate uu_wc 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate uu_wc 0.1.0 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" "+1f5783cbeb5da8b38566d718631d016891e9c912" "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 `uucore = "^0.1.0"` (locked to 0.1.0)
[INFO] [stderr] candidate versions found which didn't match: 0.0.20, 0.0.19, 0.0.18, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `uu_wc v0.1.0 (/workspace/builds/worker-5-tc2/source)`
[INFO] checking uu_wc-0.1.0 against try#1f5783cbeb5da8b38566d718631d016891e9c912 for pr-142704
[INFO] extracting crate uu_wc 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate uu_wc 0.1.0 on toolchain 1f5783cbeb5da8b38566d718631d016891e9c912
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uu_wc 0.1.0
[INFO] finished tweaking crates.io crate uu_wc 0.1.0
[INFO] tweaked toml for crates.io crate uu_wc 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate uu_wc 0.1.0 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" "+1f5783cbeb5da8b38566d718631d016891e9c912" "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 `uucore = "^0.1.0"` (locked to 0.1.0)
[INFO] [stderr] candidate versions found which didn't match: 0.0.20, 0.0.19, 0.0.18, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `uu_wc v0.1.0 (/workspace/builds/worker-5-tc2/source)`


command failed: exit status: 101

    Blocking waiting for file lock on package cache
    Updating crates.io index
error: failed to select a version for the requirement `uucore = "^0.1.0"` (locked to 0.1.0)
candidate versions found which didn't match: 0.0.20, 0.0.19, 0.0.18, ...
location searched: crates.io index
required by package `uu_wc v0.1.0 (/workspace/builds/worker-5-tc2/source)`