[INFO] cloning repository https://github.com/saromanov/backuppp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saromanov/backuppp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaromanov%2Fbackuppp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaromanov%2Fbackuppp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] adccff5aa8285fc137150c92cd7904bddb920d0b
[INFO] checking saromanov/backuppp against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaromanov%2Fbackuppp" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saromanov/backuppp on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/saromanov/backuppp
[INFO] finished tweaking git repo https://github.com/saromanov/backuppp
[INFO] tweaked toml for git repo https://github.com/saromanov/backuppp written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/saromanov/backuppp 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `hmac = "^0.4.2"`
[INFO] [stderr] candidate versions found which didn't match: 0.13.0-pre.3, 0.13.0-pre.2, 0.13.0-pre.1, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `rust-s3 v0.10.0`
[INFO] [stderr]     ... which satisfies dependency `rust-s3 = "^0.10.0"` of package `backuppp v0.1.0 (/workspace/builds/worker-5-tc1/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     hmac = { version = "0.13.0-pre.3" }
[INFO] [stderr] perhaps a crate was updated and forgotten to be re-vendored?
[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.
