[INFO] cloning repository https://github.com/alevann/rusty-mp4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alevann/rusty-mp4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falevann%2Frusty-mp4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falevann%2Frusty-mp4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e276d30e50e2507c5701ea4118af64e0a7f107e
[INFO] testing alevann/rusty-mp4 against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falevann%2Frusty-mp4" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alevann/rusty-mp4 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alevann/rusty-mp4
[INFO] finished tweaking git repo https://github.com/alevann/rusty-mp4
[INFO] tweaked toml for git repo https://github.com/alevann/rusty-mp4 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f065fa45aafb70e157f32a61b7fc9238c012b4556b4a232b712a809c67c6c4d
[INFO] running `Command { std: "docker" "start" "-a" "7f065fa45aafb70e157f32a61b7fc9238c012b4556b4a232b712a809c67c6c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f065fa45aafb70e157f32a61b7fc9238c012b4556b4a232b712a809c67c6c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f065fa45aafb70e157f32a61b7fc9238c012b4556b4a232b712a809c67c6c4d", kill_on_drop: false }`
[INFO] [stdout] 7f065fa45aafb70e157f32a61b7fc9238c012b4556b4a232b712a809c67c6c4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2c1318cd0513dcdb1f1c73ac45f55f2a04333f3446b7bf1f320d10a1517737d
[INFO] running `Command { std: "docker" "start" "-a" "e2c1318cd0513dcdb1f1c73ac45f55f2a04333f3446b7bf1f320d10a1517737d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `AtomDescriptor`
[INFO] [stdout]  --> src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use atom::{AtomDescriptor,describe};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/ut/file_cursor.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn read(&mut self, count: usize) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rel_move`
[INFO] [stdout]   --> src/ut/file_cursor.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn rel_move(&mut self, to: usize) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/ut/node.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new() -> Node<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_if_some`
[INFO] [stdout]   --> src/ut/node.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn add_if_some(mut self, node: Option<Node<T>>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `apply_recursive`
[INFO] [stdout]   --> src/ut/node.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn apply_recursive<F>(&self, apply: &F) where F : Fn(&T) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.44s
[INFO] running `Command { std: "docker" "inspect" "e2c1318cd0513dcdb1f1c73ac45f55f2a04333f3446b7bf1f320d10a1517737d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c1318cd0513dcdb1f1c73ac45f55f2a04333f3446b7bf1f320d10a1517737d", kill_on_drop: false }`
[INFO] [stdout] e2c1318cd0513dcdb1f1c73ac45f55f2a04333f3446b7bf1f320d10a1517737d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8046e932bed54c13476f1e82455e37e0c2966c09f48349268ad05bb44d7c8864
[INFO] running `Command { std: "docker" "start" "-a" "8046e932bed54c13476f1e82455e37e0c2966c09f48349268ad05bb44d7c8864", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "8046e932bed54c13476f1e82455e37e0c2966c09f48349268ad05bb44d7c8864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8046e932bed54c13476f1e82455e37e0c2966c09f48349268ad05bb44d7c8864", kill_on_drop: false }`
[INFO] [stdout] 8046e932bed54c13476f1e82455e37e0c2966c09f48349268ad05bb44d7c8864