[INFO] cloning repository https://github.com/dantesbytes/google-speach-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dantesbytes/google-speach-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdantesbytes%2Fgoogle-speach-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdantesbytes%2Fgoogle-speach-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca08b96207ff0ad629b256f48c8f0e45ed58d990
[INFO] checking dantesbytes/google-speach-demo against master#023084804e5e8ea42877451c2b3030e7050281cc for pr-123909
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdantesbytes%2Fgoogle-speach-demo" "/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/dantesbytes/google-speach-demo 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 git repo https://github.com/dantesbytes/google-speach-demo
[INFO] finished tweaking git repo https://github.com/dantesbytes/google-speach-demo
[INFO] tweaked toml for git repo https://github.com/dantesbytes/google-speach-demo written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dantesbytes/google-speach-demo 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" "+023084804e5e8ea42877451c2b3030e7050281cc" "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 `rocket_contrib = "^0.5.0-rc.1"`
[INFO] [stderr] candidate versions found which didn't match: 0.4.11, 0.4.10, 0.4.9, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `audio_player v0.1.0 (/workspace/builds/worker-4-tc1/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     rocket_contrib = { version = "0.4.0-rc.2" }
[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.
[INFO] checking dantesbytes/google-speach-demo against try#3b6ef522ec6da5b39fa0cf004b820c15884319db for pr-123909
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdantesbytes%2Fgoogle-speach-demo" "/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/dantesbytes/google-speach-demo 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 git repo https://github.com/dantesbytes/google-speach-demo
[INFO] finished tweaking git repo https://github.com/dantesbytes/google-speach-demo
[INFO] tweaked toml for git repo https://github.com/dantesbytes/google-speach-demo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dantesbytes/google-speach-demo 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" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: no matching package found
[INFO] [stderr] searched package name: `rocket_multipart_form_data`
[INFO] [stderr] perhaps you meant:      rocket-multipart-form-data
[INFO] [stderr] location searched: registry `crates-io`
[INFO] [stderr] required by package `audio_player v0.1.0 (/workspace/builds/worker-4-tc2/source)`
[INFO] checking dantesbytes/google-speach-demo against try#3b6ef522ec6da5b39fa0cf004b820c15884319db for pr-123909
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdantesbytes%2Fgoogle-speach-demo" "/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/dantesbytes/google-speach-demo 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 git repo https://github.com/dantesbytes/google-speach-demo
[INFO] finished tweaking git repo https://github.com/dantesbytes/google-speach-demo
[INFO] tweaked toml for git repo https://github.com/dantesbytes/google-speach-demo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dantesbytes/google-speach-demo 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" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "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 `rocket_contrib = "^0.5.0-rc.1"`
[INFO] [stderr] candidate versions found which didn't match: 0.4.11, 0.4.10, 0.4.9, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `audio_player v0.1.0 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     rocket_contrib = { version = "0.4.0-rc.2" }
[INFO] [stderr] perhaps a crate was updated and forgotten to be re-vendored?
[INFO] checking dantesbytes/google-speach-demo against try#3b6ef522ec6da5b39fa0cf004b820c15884319db for pr-123909
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdantesbytes%2Fgoogle-speach-demo" "/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/dantesbytes/google-speach-demo 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 git repo https://github.com/dantesbytes/google-speach-demo
[INFO] finished tweaking git repo https://github.com/dantesbytes/google-speach-demo
[INFO] tweaked toml for git repo https://github.com/dantesbytes/google-speach-demo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dantesbytes/google-speach-demo 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" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `rocket_contrib = "^0.5.0-rc.1"`
[INFO] [stderr] candidate versions found which didn't match: 0.4.11, 0.4.10, 0.4.9, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `audio_player v0.1.0 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     rocket_contrib = { version = "0.4.0-rc.2" }
[INFO] [stderr] perhaps a crate was updated and forgotten to be re-vendored?
[INFO] checking dantesbytes/google-speach-demo against try#3b6ef522ec6da5b39fa0cf004b820c15884319db for pr-123909
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdantesbytes%2Fgoogle-speach-demo" "/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/dantesbytes/google-speach-demo 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 git repo https://github.com/dantesbytes/google-speach-demo
[INFO] finished tweaking git repo https://github.com/dantesbytes/google-speach-demo
[INFO] tweaked toml for git repo https://github.com/dantesbytes/google-speach-demo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dantesbytes/google-speach-demo 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" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "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 `rocket_contrib = "^0.5.0-rc.1"`
[INFO] [stderr] candidate versions found which didn't match: 0.4.11, 0.4.10, 0.4.9, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `audio_player v0.1.0 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     rocket_contrib = { version = "0.4.0-rc.2" }
[INFO] [stderr] perhaps a crate was updated and forgotten to be re-vendored?
[INFO] checking dantesbytes/google-speach-demo against try#3b6ef522ec6da5b39fa0cf004b820c15884319db for pr-123909
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdantesbytes%2Fgoogle-speach-demo" "/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/dantesbytes/google-speach-demo 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 git repo https://github.com/dantesbytes/google-speach-demo
[INFO] finished tweaking git repo https://github.com/dantesbytes/google-speach-demo
[INFO] tweaked toml for git repo https://github.com/dantesbytes/google-speach-demo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dantesbytes/google-speach-demo 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" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "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 `rocket_contrib = "^0.5.0-rc.1"`
[INFO] [stderr] candidate versions found which didn't match: 0.4.11, 0.4.10, 0.4.9, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `audio_player v0.1.0 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     rocket_contrib = { version = "0.4.0-rc.2" }
[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.