[INFO] cloning repository https://github.com/mlevesquedion/rcat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mlevesquedion/rcat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlevesquedion%2Frcat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlevesquedion%2Frcat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dea140857c4b476f96296bb89455467db980816f
[INFO] testing mlevesquedion/rcat against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlevesquedion%2Frcat" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mlevesquedion/rcat on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mlevesquedion/rcat
[INFO] finished tweaking git repo https://github.com/mlevesquedion/rcat
[INFO] tweaked toml for git repo https://github.com/mlevesquedion/rcat written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/mlevesquedion/rcat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75d26bfe11d5c1ab1e23451e6dad17d9502f2f4c27032fac2b0b0c77b051ac13
[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" "75d26bfe11d5c1ab1e23451e6dad17d9502f2f4c27032fac2b0b0c77b051ac13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75d26bfe11d5c1ab1e23451e6dad17d9502f2f4c27032fac2b0b0c77b051ac13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d26bfe11d5c1ab1e23451e6dad17d9502f2f4c27032fac2b0b0c77b051ac13", kill_on_drop: false }`
[INFO] [stdout] 75d26bfe11d5c1ab1e23451e6dad17d9502f2f4c27032fac2b0b0c77b051ac13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", 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] ea71794cd74dbc5c04d3c7a281e0babfa7d637b5d8a2be3e973ea141b84cf2f3
[INFO] running `Command { std: "docker" "start" "-a" "ea71794cd74dbc5c04d3c7a281e0babfa7d637b5d8a2be3e973ea141b84cf2f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:5:56
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn read_file(filename: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]   |                                                        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn read_file(filename: &str) -> Result<String, Box<Error>> {
[INFO] [stdout] 5 + pub fn read_file(filename: &str) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "ea71794cd74dbc5c04d3c7a281e0babfa7d637b5d8a2be3e973ea141b84cf2f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea71794cd74dbc5c04d3c7a281e0babfa7d637b5d8a2be3e973ea141b84cf2f3", kill_on_drop: false }`
[INFO] [stdout] ea71794cd74dbc5c04d3c7a281e0babfa7d637b5d8a2be3e973ea141b84cf2f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 1d8ac3f56769afb877350cde7caab85f5a6fffaaac306253efdd768dcc437452
[INFO] running `Command { std: "docker" "start" "-a" "1d8ac3f56769afb877350cde7caab85f5a6fffaaac306253efdd768dcc437452", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:5:56
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn read_file(filename: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]   |                                                        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn read_file(filename: &str) -> Result<String, Box<Error>> {
[INFO] [stdout] 5 + pub fn read_file(filename: &str) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rcat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:5:56
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn read_file(filename: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]   |                                                        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn read_file(filename: &str) -> Result<String, Box<Error>> {
[INFO] [stdout] 5 + pub fn read_file(filename: &str) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1d8ac3f56769afb877350cde7caab85f5a6fffaaac306253efdd768dcc437452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d8ac3f56769afb877350cde7caab85f5a6fffaaac306253efdd768dcc437452", kill_on_drop: false }`
[INFO] [stdout] 1d8ac3f56769afb877350cde7caab85f5a6fffaaac306253efdd768dcc437452
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0dee1f473a80fdc83469c9e0bc9357ae86f647c0fed148127d77ddee1fc9f77d
[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" "0dee1f473a80fdc83469c9e0bc9357ae86f647c0fed148127d77ddee1fc9f77d", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:56
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_file(filename: &str) -> Result<String, Box<Error>> {
[INFO] [stderr]   |                                                        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 5 - pub fn read_file(filename: &str) -> Result<String, Box<Error>> {
[INFO] [stderr] 5 + pub fn read_file(filename: &str) -> Result<String, Box<dyn Error>> {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: `rcat` (lib) generated 1 warning
[INFO] [stderr] warning: `rcat` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rcat-72e152b22e6a4541)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test it_fails_when_not_enough_args ... ok
[INFO] [stdout] test it_parses_args ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rcat-225d5d7785187c55)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rcat
[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] [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" "0dee1f473a80fdc83469c9e0bc9357ae86f647c0fed148127d77ddee1fc9f77d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dee1f473a80fdc83469c9e0bc9357ae86f647c0fed148127d77ddee1fc9f77d", kill_on_drop: false }`
[INFO] [stdout] 0dee1f473a80fdc83469c9e0bc9357ae86f647c0fed148127d77ddee1fc9f77d