[INFO] cloning repository https://github.com/kimjooyoon/rs_log4rs_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kimjooyoon/rs_log4rs_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimjooyoon%2Frs_log4rs_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimjooyoon%2Frs_log4rs_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94f5f73e390c410aa029e33fa4420ef1181817b6
[INFO] testing kimjooyoon/rs_log4rs_example against master#e9385f9eea0221ef295a188d49d16f8f5189abf1 for pr-146098
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimjooyoon%2Frs_log4rs_example" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kimjooyoon/rs_log4rs_example
[INFO] finished tweaking git repo https://github.com/kimjooyoon/rs_log4rs_example
[INFO] tweaked toml for git repo https://github.com/kimjooyoon/rs_log4rs_example written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kimjooyoon/rs_log4rs_example on toolchain e9385f9eea0221ef295a188d49d16f8f5189abf1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kimjooyoon/rs_log4rs_example 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" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "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/3/l/log, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `serde = "^1.0"` (locked to 1.0.156)
[INFO] [stderr] candidate versions found which didn't match: 0.6.12, 0.6.11, 0.6.10, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `log4rs v1.2.0`
[INFO] [stderr]     ... which satisfies dependency `log4rs = "^1.2.0"` (locked to 1.2.0) of package `rs_log4rs_example v0.1.0 (/workspace/builds/worker-4-tc1/source)`


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/3/l/log, error: No space left on device (os error 28)
error: failed to select a version for the requirement `serde = "^1.0"` (locked to 1.0.156)
candidate versions found which didn't match: 0.6.12, 0.6.11, 0.6.10, ...
location searched: crates.io index
required by package `log4rs v1.2.0`
    ... which satisfies dependency `log4rs = "^1.2.0"` (locked to 1.2.0) of package `rs_log4rs_example v0.1.0 (/workspace/builds/worker-4-tc1/source)`