[INFO] cloning repository https://github.com/compenguy/pdftext
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/compenguy/pdftext" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcompenguy%2Fpdftext", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcompenguy%2Fpdftext'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a15270e57dd7a93abfcc1efe039896caf5125391
[INFO] checking compenguy/pdftext against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcompenguy%2Fpdftext" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/compenguy/pdftext 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/compenguy/pdftext
[INFO] finished tweaking git repo https://github.com/compenguy/pdftext
[INFO] tweaked toml for git repo https://github.com/compenguy/pdftext written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/compenguy/pdftext 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]     Updating git repository `https://github.com/pdf-rs/pdf/`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `adler32`.
[INFO] [stderr]     ... required by package `libflate v2.0.0`
[INFO] [stderr]     ... which satisfies dependency `libflate = "^2.0.0"` of package `pdf v0.9.0 (https://github.com/pdf-rs/pdf/#65c123d1)`
[INFO] [stderr]     ... which satisfies git dependency `pdf` of package `pdftext v0.1.1 (/workspace/builds/worker-1-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^1` (locked to 1.0.3) are: 1.0.3
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `adler32 v1.2.0`
[INFO] [stderr]     ... which satisfies dependency `adler32 = "^1.2.0"` of package `deflate v1.0.0`
[INFO] [stderr]     ... which satisfies dependency `deflate = "^1.0.0"` of package `pdf v0.9.0 (https://github.com/pdf-rs/pdf/#65c123d1)`
[INFO] [stderr]     ... which satisfies git dependency `pdf` of package `pdftext v0.1.1 (/workspace/builds/worker-1-tc1/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `adler32` which could resolve this conflict
[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.