[INFO] cloning repository https://github.com/snakeaid/serde-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snakeaid/serde-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnakeaid%2Fserde-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnakeaid%2Fserde-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d6347c203d67a65b23198459e83125bed644212
[INFO] testing snakeaid/serde-practice against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnakeaid%2Fserde-practice" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/snakeaid/serde-practice
[INFO] finished tweaking git repo https://github.com/snakeaid/serde-practice
[INFO] tweaked toml for git repo https://github.com/snakeaid/serde-practice written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/snakeaid/serde-practice on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/snakeaid/serde-practice 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "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/ch/ro/chrono, error: No space left on device (os error 28)
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr] error: failed to download `unicode-ident v1.0.13`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `unicode-ident v1.0.13`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `unicode-ident-1.0.13/tests/trie/trie.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unicode-ident-1.0.13/tests/trie/trie.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `unicode-ident-1.0.13/tests/trie/trie.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unicode-ident-1.0.13/tests/trie/trie.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] testing snakeaid/serde-practice against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnakeaid%2Fserde-practice" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/snakeaid/serde-practice
[INFO] finished tweaking git repo https://github.com/snakeaid/serde-practice
[INFO] tweaked toml for git repo https://github.com/snakeaid/serde-practice written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/snakeaid/serde-practice on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/snakeaid/serde-practice 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/hu/ma/humantime-serde, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `chrono = "^0.4.38"` (locked to 0.4.38)
[INFO] [stderr] candidate versions found which didn't match: 0.4.22, 0.4.21, 0.4.20, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `serde-practice v0.1.0 (/workspace/builds/worker-3-tc2/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" }
[INFO] testing snakeaid/serde-practice against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnakeaid%2Fserde-practice" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/snakeaid/serde-practice
[INFO] finished tweaking git repo https://github.com/snakeaid/serde-practice
[INFO] tweaked toml for git repo https://github.com/snakeaid/serde-practice written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/snakeaid/serde-practice on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/snakeaid/serde-practice 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "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/hu/ma/humantime-serde, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `chrono = "^0.4.38"` (locked to 0.4.38)
[INFO] [stderr] candidate versions found which didn't match: 0.4.22, 0.4.21, 0.4.20, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `serde-practice v0.1.0 (/workspace/builds/worker-3-tc2/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" }
[INFO] testing snakeaid/serde-practice against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnakeaid%2Fserde-practice" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/snakeaid/serde-practice
[INFO] finished tweaking git repo https://github.com/snakeaid/serde-practice
[INFO] tweaked toml for git repo https://github.com/snakeaid/serde-practice written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/snakeaid/serde-practice on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/snakeaid/serde-practice 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "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/hu/ma/humantime-serde, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `chrono = "^0.4.38"` (locked to 0.4.38)
[INFO] [stderr] candidate versions found which didn't match: 0.4.22, 0.4.21, 0.4.20, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `serde-practice v0.1.0 (/workspace/builds/worker-3-tc2/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" }
[INFO] testing snakeaid/serde-practice against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnakeaid%2Fserde-practice" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/snakeaid/serde-practice
[INFO] finished tweaking git repo https://github.com/snakeaid/serde-practice
[INFO] tweaked toml for git repo https://github.com/snakeaid/serde-practice written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/snakeaid/serde-practice on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/snakeaid/serde-practice 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "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/hu/ma/humantime-serde, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `chrono = "^0.4.38"` (locked to 0.4.38)
[INFO] [stderr] candidate versions found which didn't match: 0.4.22, 0.4.21, 0.4.20, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `serde-practice v0.1.0 (/workspace/builds/worker-3-tc2/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/hu/ma/humantime-serde, error: No space left on device (os error 28)
error: failed to select a version for the requirement `chrono = "^0.4.38"` (locked to 0.4.38)
candidate versions found which didn't match: 0.4.22, 0.4.21, 0.4.20, ...
location searched: crates.io index
required by package `serde-practice v0.1.0 (/workspace/builds/worker-3-tc2/source)`
if you are looking for the prerelease package it needs to be specified explicitly
    chrono = { version = "0.4.20-rc.1" }