[INFO] cloning repository https://github.com/jjl/dryad
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jjl/dryad" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjl%2Fdryad", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjl%2Fdryad'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9af89cbe88807850a2affdcea42f016ca73b11f
[INFO] checking jjl/dryad against master#64b185eddaa1d7ddf5e0c024be23b9cbba6c1722 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjl%2Fdryad" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jjl/dryad
[INFO] finished tweaking git repo https://github.com/jjl/dryad
[INFO] tweaked toml for git repo https://github.com/jjl/dryad written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jjl/dryad on toolchain 64b185eddaa1d7ddf5e0c024be23b9cbba6c1722
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jjl/dryad 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" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/linebender/druid`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `bitflags`.
[INFO] [stderr]     ... required by package `keyboard-types v0.6.2`
[INFO] [stderr]     ... which satisfies dependency `keyboard-types = "^0.6.2"` of package `druid-shell v0.8.3 (https://github.com/linebender/druid#b831b5fe)`
[INFO] [stderr]     ... which satisfies git dependency `druid-shell` of package `dryad v0.1.0 (/workspace/builds/worker-2-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^1.0.0` (locked to 1.2.1) are: 1.2.1
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `bitflags v1.3.2`
[INFO] [stderr]     ... which satisfies dependency `bitflags = "^1.3.2"` of package `druid-shell v0.8.3 (https://github.com/linebender/druid#b831b5fe)`
[INFO] [stderr]     ... which satisfies git dependency `druid-shell` of package `dryad v0.1.0 (/workspace/builds/worker-2-tc1/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `bitflags` which could resolve this conflict


command failed: exit status: 101

    Updating git repository `https://github.com/linebender/druid`
    Updating crates.io index
error: failed to select a version for `bitflags`.
    ... required by package `keyboard-types v0.6.2`
    ... which satisfies dependency `keyboard-types = "^0.6.2"` of package `druid-shell v0.8.3 (https://github.com/linebender/druid#b831b5fe)`
    ... which satisfies git dependency `druid-shell` of package `dryad v0.1.0 (/workspace/builds/worker-2-tc1/source)`
versions that meet the requirements `^1.0.0` (locked to 1.2.1) are: 1.2.1

all possible versions conflict with previously selected packages.

  previously selected package `bitflags v1.3.2`
    ... which satisfies dependency `bitflags = "^1.3.2"` of package `druid-shell v0.8.3 (https://github.com/linebender/druid#b831b5fe)`
    ... which satisfies git dependency `druid-shell` of package `dryad v0.1.0 (/workspace/builds/worker-2-tc1/source)`

failed to select a version for `bitflags` which could resolve this conflict