[INFO] cloning repository https://github.com/Tomcc/remote_python
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tomcc/remote_python" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomcc%2Fremote_python", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomcc%2Fremote_python'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea1fa2597ea90b83a47c4401844e6d55b3b5345e
[INFO] checking Tomcc/remote_python against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomcc%2Fremote_python" "/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/Tomcc/remote_python on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tomcc/remote_python
[INFO] finished tweaking git repo https://github.com/Tomcc/remote_python
[INFO] tweaked toml for git repo https://github.com/Tomcc/remote_python written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Tomcc/remote_python 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.0
[INFO] [stderr]   Downloaded serde_derive_internals v0.15.0
[INFO] [stderr]   Downloaded app_dirs v1.1.1
[INFO] [stderr]   Downloaded base64 v0.4.1
[INFO] [stderr]   Downloaded unicode-segmentation v1.1.0
[INFO] [stderr]   Downloaded clap v2.23.2
[INFO] [stderr]   Downloaded serde v1.0.0
[INFO] [stderr]   Downloaded tiny-keccak v1.2.1
[INFO] [stderr]   Downloaded serde_derive v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08d3ed807bcf7c56d4632cff98f533e678c560b6d1186cc91b5865b51a1bf759
[INFO] running `Command { std: "docker" "start" "-a" "08d3ed807bcf7c56d4632cff98f533e678c560b6d1186cc91b5865b51a1bf759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08d3ed807bcf7c56d4632cff98f533e678c560b6d1186cc91b5865b51a1bf759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d3ed807bcf7c56d4632cff98f533e678c560b6d1186cc91b5865b51a1bf759", kill_on_drop: false }`
[INFO] [stdout] 08d3ed807bcf7c56d4632cff98f533e678c560b6d1186cc91b5865b51a1bf759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6c180f9d34dcd0f71df0e22ce8f627d70c0e50cc671b941573242d6aba56f10
[INFO] running `Command { std: "docker" "start" "-a" "f6c180f9d34dcd0f71df0e22ce8f627d70c0e50cc671b941573242d6aba56f10", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking serde v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking vec_map v0.7.0
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking tiny-keccak v1.2.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking base64 v0.4.1
[INFO] [stderr]     Checking app_dirs v1.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking clap v2.23.2
[INFO] [stderr]    Compiling serde_derive_internals v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.0
[INFO] [stderr]     Checking serde_json v1.0.0
[INFO] [stderr]     Checking remote_python v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:242:36
[INFO] [stdout]     |
[INFO] [stdout] 242 | fn visit_dirs(dir: &Path, cb: &mut FnMut(&DirEntry)) -> std::io::Result<()> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 242 | fn visit_dirs(dir: &Path, cb: &mut dyn FnMut(&DirEntry)) -> std::io::Result<()> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:242:36
[INFO] [stdout]     |
[INFO] [stdout] 242 | fn visit_dirs(dir: &Path, cb: &mut FnMut(&DirEntry)) -> std::io::Result<()> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 242 | fn visit_dirs(dir: &Path, cb: &mut dyn FnMut(&DirEntry)) -> std::io::Result<()> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "f6c180f9d34dcd0f71df0e22ce8f627d70c0e50cc671b941573242d6aba56f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c180f9d34dcd0f71df0e22ce8f627d70c0e50cc671b941573242d6aba56f10", kill_on_drop: false }`
[INFO] [stdout] f6c180f9d34dcd0f71df0e22ce8f627d70c0e50cc671b941573242d6aba56f10