[INFO] cloning repository https://github.com/lum-rs/lum_event
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lum-rs/lum_event" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flum-rs%2Flum_event", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flum-rs%2Flum_event'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 364d50312a58e4353f3c9161e3e952b51445400c
[INFO] testing lum-rs/lum_event against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flum-rs%2Flum_event" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/lum-rs/lum_event
[INFO] finished tweaking git repo https://github.com/lum-rs/lum_event
[INFO] tweaked toml for git repo https://github.com/lum-rs/lum_event written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lum-rs/lum_event on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lum-rs/lum_event 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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] warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/lu/m_/lum_boxtypes, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `chrono = "^0.4"` (locked to 0.4.41)
[INFO] [stderr] candidate versions found which didn't match: 0.4.35, 0.4.34, 0.4.33, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `fern v0.7.1`
[INFO] [stderr]     ... which satisfies dependency `fern = "^0.7.0"` (locked to 0.7.1) of package `lum_libs v0.2.8`
[INFO] [stderr]     ... which satisfies dependency `lum_libs = "^0.2.8"` (locked to 0.2.8) of package `lum_event v0.2.12 (/workspace/builds/worker-3-tc1/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     chrono = { version = "0.4.20-rc.1" }


command failed: exit status: 101

    Blocking waiting for file lock on package cache
    Updating crates.io index
warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/lu/m_/lum_boxtypes, error: No space left on device (os error 28)
error: failed to select a version for the requirement `chrono = "^0.4"` (locked to 0.4.41)
candidate versions found which didn't match: 0.4.35, 0.4.34, 0.4.33, ...
location searched: crates.io index
required by package `fern v0.7.1`
    ... which satisfies dependency `fern = "^0.7.0"` (locked to 0.7.1) of package `lum_libs v0.2.8`
    ... which satisfies dependency `lum_libs = "^0.2.8"` (locked to 0.2.8) of package `lum_event v0.2.12 (/workspace/builds/worker-3-tc1/source)`
if you are looking for the prerelease package it needs to be specified explicitly
    chrono = { version = "0.4.20-rc.1" }