[INFO] cloning repository https://github.com/philsippl/witness-gen-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/philsippl/witness-gen-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilsippl%2Fwitness-gen-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilsippl%2Fwitness-gen-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d203fd67682292d5866524bed73551a5a4fa71c2
[INFO] checking philsippl/witness-gen-experiments against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilsippl%2Fwitness-gen-experiments" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/philsippl/witness-gen-experiments 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/philsippl/witness-gen-experiments
[INFO] finished tweaking git repo https://github.com/philsippl/witness-gen-experiments
[INFO] tweaked toml for git repo https://github.com/philsippl/witness-gen-experiments written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/philsippl/witness-gen-experiments 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/recmo/uint`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `zeroize`.
[INFO] [stderr]     ... required by package `ruint v1.12.0 (https://github.com/recmo/uint#f0782ee1)`
[INFO] [stderr]     ... which satisfies git dependency `ruint` of package `generator v0.1.0 (/workspace/builds/worker-4-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^1.6` are: 1.7.0, 1.6.0
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `zeroize v1.5.5`
[INFO] [stderr]     ... which satisfies dependency `zeroize = "^1"` (locked to 1.5.5) of package `ark-ec v0.3.0`
[INFO] [stderr]     ... which satisfies dependency `ark-ec = "^0.3"` (locked to 0.3.0) of package `generator v0.1.0 (/workspace/builds/worker-4-tc1/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `zeroize` 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.
[INFO] checking philsippl/witness-gen-experiments against try#80d5fe37e16a0befb4128414cb6a11d544788c0a for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilsippl%2Fwitness-gen-experiments" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/philsippl/witness-gen-experiments 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/philsippl/witness-gen-experiments
[INFO] finished tweaking git repo https://github.com/philsippl/witness-gen-experiments
[INFO] tweaked toml for git repo https://github.com/philsippl/witness-gen-experiments written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/philsippl/witness-gen-experiments 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/recmo/uint`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `zeroize`.
[INFO] [stderr]     ... required by package `ruint v1.12.0 (https://github.com/recmo/uint#f0782ee1)`
[INFO] [stderr]     ... which satisfies git dependency `ruint` of package `generator v0.1.0 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^1.6` are: 1.7.0, 1.6.0
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `zeroize v1.5.5`
[INFO] [stderr]     ... which satisfies dependency `zeroize = "^1"` (locked to 1.5.5) of package `ark-ec v0.3.0`
[INFO] [stderr]     ... which satisfies dependency `ark-ec = "^0.3"` (locked to 0.3.0) of package `generator v0.1.0 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `zeroize` which could resolve this conflict
[INFO] checking philsippl/witness-gen-experiments against try#80d5fe37e16a0befb4128414cb6a11d544788c0a for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilsippl%2Fwitness-gen-experiments" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/philsippl/witness-gen-experiments 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/philsippl/witness-gen-experiments
[INFO] finished tweaking git repo https://github.com/philsippl/witness-gen-experiments
[INFO] tweaked toml for git repo https://github.com/philsippl/witness-gen-experiments written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/philsippl/witness-gen-experiments 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]     Updating git repository `https://github.com/recmo/uint`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `zeroize`.
[INFO] [stderr]     ... required by package `ruint v1.12.0 (https://github.com/recmo/uint#f0782ee1)`
[INFO] [stderr]     ... which satisfies git dependency `ruint` of package `generator v0.1.0 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^1.6` are: 1.7.0, 1.6.0
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `zeroize v1.5.5`
[INFO] [stderr]     ... which satisfies dependency `zeroize = "^1"` (locked to 1.5.5) of package `ark-ec v0.3.0`
[INFO] [stderr]     ... which satisfies dependency `ark-ec = "^0.3"` (locked to 0.3.0) of package `generator v0.1.0 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `zeroize` which could resolve this conflict
[INFO] checking philsippl/witness-gen-experiments against try#80d5fe37e16a0befb4128414cb6a11d544788c0a for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilsippl%2Fwitness-gen-experiments" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/philsippl/witness-gen-experiments 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/philsippl/witness-gen-experiments
[INFO] finished tweaking git repo https://github.com/philsippl/witness-gen-experiments
[INFO] tweaked toml for git repo https://github.com/philsippl/witness-gen-experiments written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/philsippl/witness-gen-experiments 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]     Updating git repository `https://github.com/recmo/uint`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `zeroize`.
[INFO] [stderr]     ... required by package `ruint v1.12.0 (https://github.com/recmo/uint#f0782ee1)`
[INFO] [stderr]     ... which satisfies git dependency `ruint` of package `generator v0.1.0 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^1.6` are: 1.7.0, 1.6.0
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `zeroize v1.5.5`
[INFO] [stderr]     ... which satisfies dependency `zeroize = "^1"` (locked to 1.5.5) of package `ark-ec v0.3.0`
[INFO] [stderr]     ... which satisfies dependency `ark-ec = "^0.3"` (locked to 0.3.0) of package `generator v0.1.0 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `zeroize` which could resolve this conflict
[INFO] checking philsippl/witness-gen-experiments against try#80d5fe37e16a0befb4128414cb6a11d544788c0a for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilsippl%2Fwitness-gen-experiments" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/philsippl/witness-gen-experiments 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/philsippl/witness-gen-experiments
[INFO] finished tweaking git repo https://github.com/philsippl/witness-gen-experiments
[INFO] tweaked toml for git repo https://github.com/philsippl/witness-gen-experiments written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/philsippl/witness-gen-experiments 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]     Updating git repository `https://github.com/recmo/uint`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `num-traits`.
[INFO] [stderr]     ... required by package `ruint v1.12.0 (https://github.com/recmo/uint#f0782ee1)`
[INFO] [stderr]     ... which satisfies git dependency `ruint` of package `generator v0.1.0 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^0.2.16` are: 0.2.18, 0.2.17, 0.2.16
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `num-traits v0.2.15`
[INFO] [stderr]     ... which satisfies dependency `num-traits = "^0.2"` (locked to 0.2.15) of package `ark-ec v0.3.0`
[INFO] [stderr]     ... which satisfies dependency `ark-ec = "^0.3"` (locked to 0.3.0) of package `generator v0.1.0 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `num-traits` which could resolve this conflict
[INFO] checking philsippl/witness-gen-experiments against try#80d5fe37e16a0befb4128414cb6a11d544788c0a for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilsippl%2Fwitness-gen-experiments" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/philsippl/witness-gen-experiments 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/philsippl/witness-gen-experiments
[INFO] finished tweaking git repo https://github.com/philsippl/witness-gen-experiments
[INFO] tweaked toml for git repo https://github.com/philsippl/witness-gen-experiments written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/philsippl/witness-gen-experiments 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]     Updating git repository `https://github.com/recmo/uint`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `zeroize`.
[INFO] [stderr]     ... required by package `ruint v1.12.0 (https://github.com/recmo/uint#f0782ee1)`
[INFO] [stderr]     ... which satisfies git dependency `ruint` of package `generator v0.1.0 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^1.6` are: 1.7.0, 1.6.0
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `zeroize v1.5.5`
[INFO] [stderr]     ... which satisfies dependency `zeroize = "^1"` (locked to 1.5.5) of package `ark-ec v0.3.0`
[INFO] [stderr]     ... which satisfies dependency `ark-ec = "^0.3"` (locked to 0.3.0) of package `generator v0.1.0 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `zeroize` 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.