[INFO] fetching crate substrate-browser-utils 0.9.0...
[INFO] checking substrate-browser-utils-0.9.0 against master#023084804e5e8ea42877451c2b3030e7050281cc for pr-123909
[INFO] extracting crate substrate-browser-utils 0.9.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate substrate-browser-utils 0.9.0 on toolchain 023084804e5e8ea42877451c2b3030e7050281cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+023084804e5e8ea42877451c2b3030e7050281cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-browser-utils 0.9.0
[INFO] finished tweaking crates.io crate substrate-browser-utils 0.9.0
[INFO] tweaked toml for crates.io crate substrate-browser-utils 0.9.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+023084804e5e8ea42877451c2b3030e7050281cc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `snow`.
[INFO] [stderr]     ... required by package `libp2p-noise v0.29.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p-noise = "^0.29.0"` of package `libp2p v0.34.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p = "^0.34.0"` of package `sc-network v0.9.0`
[INFO] [stderr]     ... which satisfies dependency `sc-network = "^0.9.0"` of package `substrate-browser-utils v0.9.0 (/workspace/builds/worker-2-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^0.7.1` are: 0.7.2, 0.7.1
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `snow v0.7.1`
[INFO] [stderr]     ... which satisfies dependency `snow = "^0.7.1"` of package `libp2p-noise v0.29.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p-noise = "^0.29.0"` of package `libp2p v0.34.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p = "^0.34.0"` of package `sc-network v0.9.0`
[INFO] [stderr]     ... which satisfies dependency `sc-network = "^0.9.0"` of package `substrate-browser-utils v0.9.0 (/workspace/builds/worker-2-tc1/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `snow` 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 substrate-browser-utils-0.9.0 against try#3b6ef522ec6da5b39fa0cf004b820c15884319db for pr-123909
[INFO] extracting crate substrate-browser-utils 0.9.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate substrate-browser-utils 0.9.0 on toolchain 3b6ef522ec6da5b39fa0cf004b820c15884319db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-browser-utils 0.9.0
[INFO] finished tweaking crates.io crate substrate-browser-utils 0.9.0
[INFO] tweaked toml for crates.io crate substrate-browser-utils 0.9.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `snow`.
[INFO] [stderr]     ... required by package `libp2p-noise v0.29.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p-noise = "^0.29.0"` of package `libp2p v0.34.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p = "^0.34.0"` of package `sc-network v0.9.0`
[INFO] [stderr]     ... which satisfies dependency `sc-network = "^0.9.0"` of package `substrate-browser-utils v0.9.0 (/workspace/builds/worker-2-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^0.7.1` are: 0.7.2, 0.7.1
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `snow v0.7.1`
[INFO] [stderr]     ... which satisfies dependency `snow = "^0.7.1"` of package `libp2p-noise v0.29.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p-noise = "^0.29.0"` of package `libp2p v0.34.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p = "^0.34.0"` of package `sc-network v0.9.0`
[INFO] [stderr]     ... which satisfies dependency `sc-network = "^0.9.0"` of package `substrate-browser-utils v0.9.0 (/workspace/builds/worker-2-tc2/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `snow` which could resolve this conflict
[INFO] checking substrate-browser-utils-0.9.0 against try#3b6ef522ec6da5b39fa0cf004b820c15884319db for pr-123909
[INFO] extracting crate substrate-browser-utils 0.9.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate substrate-browser-utils 0.9.0 on toolchain 3b6ef522ec6da5b39fa0cf004b820c15884319db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-browser-utils 0.9.0
[INFO] finished tweaking crates.io crate substrate-browser-utils 0.9.0
[INFO] tweaked toml for crates.io crate substrate-browser-utils 0.9.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `snow`.
[INFO] [stderr]     ... required by package `libp2p-noise v0.29.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p-noise = "^0.29.0"` of package `libp2p v0.34.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p = "^0.34.0"` of package `sc-network v0.9.0`
[INFO] [stderr]     ... which satisfies dependency `sc-network = "^0.9.0"` of package `substrate-browser-utils v0.9.0 (/workspace/builds/worker-2-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^0.7.1` are: 0.7.2, 0.7.1
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `snow v0.7.1`
[INFO] [stderr]     ... which satisfies dependency `snow = "^0.7.1"` of package `libp2p-noise v0.29.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p-noise = "^0.29.0"` of package `libp2p v0.34.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p = "^0.34.0"` of package `sc-network v0.9.0`
[INFO] [stderr]     ... which satisfies dependency `sc-network = "^0.9.0"` of package `substrate-browser-utils v0.9.0 (/workspace/builds/worker-2-tc2/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `snow` which could resolve this conflict
[INFO] checking substrate-browser-utils-0.9.0 against try#3b6ef522ec6da5b39fa0cf004b820c15884319db for pr-123909
[INFO] extracting crate substrate-browser-utils 0.9.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate substrate-browser-utils 0.9.0 on toolchain 3b6ef522ec6da5b39fa0cf004b820c15884319db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-browser-utils 0.9.0
[INFO] finished tweaking crates.io crate substrate-browser-utils 0.9.0
[INFO] tweaked toml for crates.io crate substrate-browser-utils 0.9.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `snow`.
[INFO] [stderr]     ... required by package `libp2p-noise v0.29.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p-noise = "^0.29.0"` of package `libp2p v0.34.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p = "^0.34.0"` of package `sc-network v0.9.0`
[INFO] [stderr]     ... which satisfies dependency `sc-network = "^0.9.0"` of package `substrate-browser-utils v0.9.0 (/workspace/builds/worker-2-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^0.7.1` are: 0.7.2, 0.7.1
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `snow v0.7.1`
[INFO] [stderr]     ... which satisfies dependency `snow = "^0.7.1"` of package `libp2p-noise v0.29.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p-noise = "^0.29.0"` of package `libp2p v0.34.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p = "^0.34.0"` of package `sc-network v0.9.0`
[INFO] [stderr]     ... which satisfies dependency `sc-network = "^0.9.0"` of package `substrate-browser-utils v0.9.0 (/workspace/builds/worker-2-tc2/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `snow` which could resolve this conflict
[INFO] checking substrate-browser-utils-0.9.0 against try#3b6ef522ec6da5b39fa0cf004b820c15884319db for pr-123909
[INFO] extracting crate substrate-browser-utils 0.9.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate substrate-browser-utils 0.9.0 on toolchain 3b6ef522ec6da5b39fa0cf004b820c15884319db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-browser-utils 0.9.0
[INFO] finished tweaking crates.io crate substrate-browser-utils 0.9.0
[INFO] tweaked toml for crates.io crate substrate-browser-utils 0.9.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `snow`.
[INFO] [stderr]     ... required by package `libp2p-noise v0.29.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p-noise = "^0.29.0"` of package `libp2p v0.34.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p = "^0.34.0"` of package `sc-network v0.9.0`
[INFO] [stderr]     ... which satisfies dependency `sc-network = "^0.9.0"` of package `substrate-browser-utils v0.9.0 (/workspace/builds/worker-2-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^0.7.1` are: 0.7.2, 0.7.1
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `snow v0.7.1`
[INFO] [stderr]     ... which satisfies dependency `snow = "^0.7.1"` of package `libp2p-noise v0.29.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p-noise = "^0.29.0"` of package `libp2p v0.34.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p = "^0.34.0"` of package `sc-network v0.9.0`
[INFO] [stderr]     ... which satisfies dependency `sc-network = "^0.9.0"` of package `substrate-browser-utils v0.9.0 (/workspace/builds/worker-2-tc2/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `snow` which could resolve this conflict
[INFO] checking substrate-browser-utils-0.9.0 against try#3b6ef522ec6da5b39fa0cf004b820c15884319db for pr-123909
[INFO] extracting crate substrate-browser-utils 0.9.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate substrate-browser-utils 0.9.0 on toolchain 3b6ef522ec6da5b39fa0cf004b820c15884319db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-browser-utils 0.9.0
[INFO] finished tweaking crates.io crate substrate-browser-utils 0.9.0
[INFO] tweaked toml for crates.io crate substrate-browser-utils 0.9.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `snow`.
[INFO] [stderr]     ... required by package `libp2p-noise v0.29.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p-noise = "^0.29.0"` of package `libp2p v0.34.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p = "^0.34.0"` of package `sc-network v0.9.0`
[INFO] [stderr]     ... which satisfies dependency `sc-network = "^0.9.0"` of package `substrate-browser-utils v0.9.0 (/workspace/builds/worker-2-tc2/source)`
[INFO] [stderr] versions that meet the requirements `^0.7.1` are: 0.7.2, 0.7.1
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `snow v0.7.1`
[INFO] [stderr]     ... which satisfies dependency `snow = "^0.7.1"` of package `libp2p-noise v0.29.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p-noise = "^0.29.0"` of package `libp2p v0.34.0`
[INFO] [stderr]     ... which satisfies dependency `libp2p = "^0.34.0"` of package `sc-network v0.9.0`
[INFO] [stderr]     ... which satisfies dependency `sc-network = "^0.9.0"` of package `substrate-browser-utils v0.9.0 (/workspace/builds/worker-2-tc2/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `snow` 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.