[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 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falevann%2Frusty-mp4" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alevann/rusty-mp4 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f38a44e36e58d706f6b359cdb69fb79d6c12409ce55c5788980a17dc224125b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8f38a44e36e58d706f6b359cdb69fb79d6c12409ce55c5788980a17dc224125b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f38a44e36e58d706f6b359cdb69fb79d6c12409ce55c5788980a17dc224125b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f38a44e36e58d706f6b359cdb69fb79d6c12409ce55c5788980a17dc224125b", kill_on_drop: false }`
[INFO] [stdout] 8f38a44e36e58d706f6b359cdb69fb79d6c12409ce55c5788980a17dc224125b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a73de0a3ca76cb9eaa857153f4ff3d4d84a10eaab1fe039b1a5d1876df70e884
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a73de0a3ca76cb9eaa857153f4ff3d4d84a10eaab1fe039b1a5d1876df70e884", kill_on_drop: false }`
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a73de0a3ca76cb9eaa857153f4ff3d4d84a10eaab1fe039b1a5d1876df70e884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a73de0a3ca76cb9eaa857153f4ff3d4d84a10eaab1fe039b1a5d1876df70e884", kill_on_drop: false }`
[INFO] [stdout] a73de0a3ca76cb9eaa857153f4ff3d4d84a10eaab1fe039b1a5d1876df70e884
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 975653a756f1982f33a7523ff285c43dac28a45aa4dd44cab79b6543405ab59f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "975653a756f1982f33a7523ff285c43dac28a45aa4dd44cab79b6543405ab59f", kill_on_drop: false }`
[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 test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "975653a756f1982f33a7523ff285c43dac28a45aa4dd44cab79b6543405ab59f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "975653a756f1982f33a7523ff285c43dac28a45aa4dd44cab79b6543405ab59f", kill_on_drop: false }`
[INFO] [stdout] 975653a756f1982f33a7523ff285c43dac28a45aa4dd44cab79b6543405ab59f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f48a920d131a52b134a7ecb62c811943272448afe289583450dfc2fb684b0e89
[INFO] running `Command { std: "docker" "start" "-a" "f48a920d131a52b134a7ecb62c811943272448afe289583450dfc2fb684b0e89", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `AtomDescriptor`
[INFO] [stderr]  --> src/main.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | use atom::{AtomDescriptor,describe};
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read`
[INFO] [stderr]   --> src/ut/file_cursor.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn read(&mut self, count: usize) -> Vec<u8> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rel_move`
[INFO] [stderr]   --> src/ut/file_cursor.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn rel_move(&mut self, to: usize) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/ut/node.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new() -> Node<T> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_if_some`
[INFO] [stderr]   --> src/ut/node.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn add_if_some(mut self, node: Option<Node<T>>) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `apply_recursive`
[INFO] [stderr]   --> src/ut/node.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn apply_recursive<F>(&self, apply: &F) where F : Fn(&T) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust` (bin "rust" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust-b5d5618e0d061c10)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f48a920d131a52b134a7ecb62c811943272448afe289583450dfc2fb684b0e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f48a920d131a52b134a7ecb62c811943272448afe289583450dfc2fb684b0e89", kill_on_drop: false }`
[INFO] [stdout] f48a920d131a52b134a7ecb62c811943272448afe289583450dfc2fb684b0e89