[INFO] cloning repository https://github.com/first-rust-competition/ds-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/first-rust-competition/ds-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirst-rust-competition%2Fds-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirst-rust-competition%2Fds-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 72979c93d94e51030f44d53019ae981fc5e7bb75 [INFO] checking first-rust-competition/ds-rs against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121557 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirst-rust-competition%2Fds-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/first-rust-competition/ds-rs on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/first-rust-competition/ds-rs [INFO] finished tweaking git repo https://github.com/first-rust-competition/ds-rs [INFO] tweaked toml for git repo https://github.com/first-rust-competition/ds-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/first-rust-competition/ds-rs 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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: checksum for `crossbeam-channel v0.4.4` changed between lock files [INFO] [stderr] [INFO] [stderr] this could be indicative of a few possible errors: [INFO] [stderr] [INFO] [stderr] * the lock file is corrupt [INFO] [stderr] * a replacement source in use (e.g., a mirror) returned a different checksum [INFO] [stderr] * the source itself may be corrupt in one way or another [INFO] [stderr] [INFO] [stderr] unable to verify that `crossbeam-channel v0.4.4` is the same as when the lockfile was generated [INFO] [stderr] [ERROR] this task or one of its parent failed! [ERROR] command failed: exit status: 101 [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking first-rust-competition/ds-rs against try#80d5fe37e16a0befb4128414cb6a11d544788c0a for pr-121557 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirst-rust-competition%2Fds-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/first-rust-competition/ds-rs on toolchain 80d5fe37e16a0befb4128414cb6a11d544788c0a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/first-rust-competition/ds-rs [INFO] finished tweaking git repo https://github.com/first-rust-competition/ds-rs [INFO] tweaked toml for git repo https://github.com/first-rust-competition/ds-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/first-rust-competition/ds-rs 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" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: checksum for `crossbeam-channel v0.4.4` changed between lock files [INFO] [stderr] [INFO] [stderr] this could be indicative of a few possible errors: [INFO] [stderr] [INFO] [stderr] * the lock file is corrupt [INFO] [stderr] * a replacement source in use (e.g., a mirror) returned a different checksum [INFO] [stderr] * the source itself may be corrupt in one way or another [INFO] [stderr] [INFO] [stderr] unable to verify that `crossbeam-channel v0.4.4` is the same as when the lockfile was generated [INFO] [stderr] [INFO] checking first-rust-competition/ds-rs against try#80d5fe37e16a0befb4128414cb6a11d544788c0a for pr-121557 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirst-rust-competition%2Fds-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/first-rust-competition/ds-rs on toolchain 80d5fe37e16a0befb4128414cb6a11d544788c0a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/first-rust-competition/ds-rs [INFO] finished tweaking git repo https://github.com/first-rust-competition/ds-rs [INFO] tweaked toml for git repo https://github.com/first-rust-competition/ds-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/first-rust-competition/ds-rs 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" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: checksum for `crossbeam-channel v0.4.4` changed between lock files [INFO] [stderr] [INFO] [stderr] this could be indicative of a few possible errors: [INFO] [stderr] [INFO] [stderr] * the lock file is corrupt [INFO] [stderr] * a replacement source in use (e.g., a mirror) returned a different checksum [INFO] [stderr] * the source itself may be corrupt in one way or another [INFO] [stderr] [INFO] [stderr] unable to verify that `crossbeam-channel v0.4.4` is the same as when the lockfile was generated [INFO] [stderr] [INFO] checking first-rust-competition/ds-rs against try#80d5fe37e16a0befb4128414cb6a11d544788c0a for pr-121557 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirst-rust-competition%2Fds-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/first-rust-competition/ds-rs on toolchain 80d5fe37e16a0befb4128414cb6a11d544788c0a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/first-rust-competition/ds-rs [INFO] finished tweaking git repo https://github.com/first-rust-competition/ds-rs [INFO] tweaked toml for git repo https://github.com/first-rust-competition/ds-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/first-rust-competition/ds-rs 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" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: checksum for `crossbeam-channel v0.4.4` changed between lock files [INFO] [stderr] [INFO] [stderr] this could be indicative of a few possible errors: [INFO] [stderr] [INFO] [stderr] * the lock file is corrupt [INFO] [stderr] * a replacement source in use (e.g., a mirror) returned a different checksum [INFO] [stderr] * the source itself may be corrupt in one way or another [INFO] [stderr] [INFO] [stderr] unable to verify that `crossbeam-channel v0.4.4` is the same as when the lockfile was generated [INFO] [stderr] [INFO] checking first-rust-competition/ds-rs against try#80d5fe37e16a0befb4128414cb6a11d544788c0a for pr-121557 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirst-rust-competition%2Fds-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/first-rust-competition/ds-rs on toolchain 80d5fe37e16a0befb4128414cb6a11d544788c0a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/first-rust-competition/ds-rs [INFO] finished tweaking git repo https://github.com/first-rust-competition/ds-rs [INFO] tweaked toml for git repo https://github.com/first-rust-competition/ds-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/first-rust-competition/ds-rs 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" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: checksum for `crossbeam-channel v0.4.4` changed between lock files [INFO] [stderr] [INFO] [stderr] this could be indicative of a few possible errors: [INFO] [stderr] [INFO] [stderr] * the lock file is corrupt [INFO] [stderr] * a replacement source in use (e.g., a mirror) returned a different checksum [INFO] [stderr] * the source itself may be corrupt in one way or another [INFO] [stderr] [INFO] [stderr] unable to verify that `crossbeam-channel v0.4.4` is the same as when the lockfile was generated [INFO] [stderr] [INFO] checking first-rust-competition/ds-rs against try#80d5fe37e16a0befb4128414cb6a11d544788c0a for pr-121557 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirst-rust-competition%2Fds-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/first-rust-competition/ds-rs on toolchain 80d5fe37e16a0befb4128414cb6a11d544788c0a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/first-rust-competition/ds-rs [INFO] finished tweaking git repo https://github.com/first-rust-competition/ds-rs [INFO] tweaked toml for git repo https://github.com/first-rust-competition/ds-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/first-rust-competition/ds-rs 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" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: checksum for `crossbeam-channel v0.4.4` changed between lock files [INFO] [stderr] [INFO] [stderr] this could be indicative of a few possible errors: [INFO] [stderr] [INFO] [stderr] * the lock file is corrupt [INFO] [stderr] * a replacement source in use (e.g., a mirror) returned a different checksum [INFO] [stderr] * the source itself may be corrupt in one way or another [INFO] [stderr] [INFO] [stderr] unable to verify that `crossbeam-channel v0.4.4` is the same as when the lockfile was generated [INFO] [stderr] [ERROR] this task or one of its parent failed! [ERROR] command failed: exit status: 101 [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.