[INFO] cloning repository https://github.com/tensor-programming/rust_git_live_stream
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tensor-programming/rust_git_live_stream" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftensor-programming%2Frust_git_live_stream", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftensor-programming%2Frust_git_live_stream'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce21a0db9e2fbf94ff0a34d67e48526b5b8d5bf7
[INFO] checking tensor-programming/rust_git_live_stream against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftensor-programming%2Frust_git_live_stream" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tensor-programming/rust_git_live_stream on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tensor-programming/rust_git_live_stream
[INFO] finished tweaking git repo https://github.com/tensor-programming/rust_git_live_stream
[INFO] tweaked toml for git repo https://github.com/tensor-programming/rust_git_live_stream written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/tensor-programming/rust_git_live_stream already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", 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] 34f0c46420eacb5b7c6d58dea9374e78d00364238dfa4351e5be518c4ee2d864
[INFO] running `Command { std: "docker" "start" "-a" "34f0c46420eacb5b7c6d58dea9374e78d00364238dfa4351e5be518c4ee2d864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34f0c46420eacb5b7c6d58dea9374e78d00364238dfa4351e5be518c4ee2d864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34f0c46420eacb5b7c6d58dea9374e78d00364238dfa4351e5be518c4ee2d864", kill_on_drop: false }`
[INFO] [stdout] 34f0c46420eacb5b7c6d58dea9374e78d00364238dfa4351e5be518c4ee2d864
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70c39eb50dc5fa8e8492e61900e00456ea78f43c415fd0089e03f651f990f620
[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" "70c39eb50dc5fa8e8492e61900e00456ea78f43c415fd0089e03f651f990f620", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.1.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tgit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `InvalidCommit`
[INFO] [stdout]  --> src/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     InvalidCommit,
[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: `print`
[INFO] [stdout]   --> src/index.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn print(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Tree`
[INFO] [stdout]  --> src/types.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum Tree {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidCommit`
[INFO] [stdout]  --> src/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     InvalidCommit,
[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: `print`
[INFO] [stdout]   --> src/index.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn print(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Tree`
[INFO] [stdout]  --> src/types.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum Tree {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/index.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             writeln!(&mut index, "{} {}", hash, path);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/index.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             writeln!(&mut index, "{} {}", hash, path);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.49s
[INFO] running `Command { std: "docker" "inspect" "70c39eb50dc5fa8e8492e61900e00456ea78f43c415fd0089e03f651f990f620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c39eb50dc5fa8e8492e61900e00456ea78f43c415fd0089e03f651f990f620", kill_on_drop: false }`
[INFO] [stdout] 70c39eb50dc5fa8e8492e61900e00456ea78f43c415fd0089e03f651f990f620