[INFO] cloning repository https://github.com/iosmanthus/minigrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iosmanthus/minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiosmanthus%2Fminigrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiosmanthus%2Fminigrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fc7ee1dc05f6dc51038d5969903f0b26b418cef
[INFO] testing iosmanthus/minigrep 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%2Fiosmanthus%2Fminigrep" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iosmanthus/minigrep 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/iosmanthus/minigrep
[INFO] finished tweaking git repo https://github.com/iosmanthus/minigrep
[INFO] tweaked toml for git repo https://github.com/iosmanthus/minigrep written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/iosmanthus/minigrep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2022-04-10" "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] f9f30b2e103f89b4268d87985f1edc7de824ae52198b00c858c7068024cc71c7
[INFO] running `Command { std: "docker" "start" "-a" "f9f30b2e103f89b4268d87985f1edc7de824ae52198b00c858c7068024cc71c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9f30b2e103f89b4268d87985f1edc7de824ae52198b00c858c7068024cc71c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f30b2e103f89b4268d87985f1edc7de824ae52198b00c858c7068024cc71c7", kill_on_drop: false }`
[INFO] [stdout] f9f30b2e103f89b4268d87985f1edc7de824ae52198b00c858c7068024cc71c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2022-04-10" "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] 21113bb87fbf46d4195e3276e621012a2316c1534dca60b7f6dc37237c35aa10
[INFO] running `Command { std: "docker" "start" "-a" "21113bb87fbf46d4195e3276e621012a2316c1534dca60b7f6dc37237c35aa10", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:41:41
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn run(&self) -> Result<(), 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] 41 -     pub fn run(&self) -> Result<(), Box<Error>> {
[INFO] [stdout] 41 +     pub fn run(&self) -> Result<(), 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 2.55s
[INFO] running `Command { std: "docker" "inspect" "21113bb87fbf46d4195e3276e621012a2316c1534dca60b7f6dc37237c35aa10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21113bb87fbf46d4195e3276e621012a2316c1534dca60b7f6dc37237c35aa10", kill_on_drop: false }`
[INFO] [stdout] 21113bb87fbf46d4195e3276e621012a2316c1534dca60b7f6dc37237c35aa10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2022-04-10" "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] 04aa540337b12d8d466500454a27ebb4b9b41ea4ac2701746a94579b70d50464
[INFO] running `Command { std: "docker" "start" "-a" "04aa540337b12d8d466500454a27ebb4b9b41ea4ac2701746a94579b70d50464", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:41:41
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn run(&self) -> Result<(), 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] 41 -     pub fn run(&self) -> Result<(), Box<Error>> {
[INFO] [stdout] 41 +     pub fn run(&self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[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:41:41
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn run(&self) -> Result<(), 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] 41 -     pub fn run(&self) -> Result<(), Box<Error>> {
[INFO] [stdout] 41 +     pub fn run(&self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/minigrep-c19f034ddeb387a1)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/minigrep-01c7dafc6227276e)
[INFO] running `Command { std: "docker" "inspect" "04aa540337b12d8d466500454a27ebb4b9b41ea4ac2701746a94579b70d50464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04aa540337b12d8d466500454a27ebb4b9b41ea4ac2701746a94579b70d50464", kill_on_drop: false }`
[INFO] [stdout] 04aa540337b12d8d466500454a27ebb4b9b41ea4ac2701746a94579b70d50464
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2022-04-10" "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] a8a904aaf1654ed01948d86dcaa67e7637497dda4b9358fc3b466da0eac24ea0
[INFO] running `Command { std: "docker" "start" "-a" "a8a904aaf1654ed01948d86dcaa67e7637497dda4b9358fc3b466da0eac24ea0", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:41:41
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn run(&self) -> Result<(), 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] 41 -     pub fn run(&self) -> Result<(), Box<Error>> {
[INFO] [stderr] 41 +     pub fn run(&self) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `minigrep` (lib) generated 1 warning
[INFO] [stderr] warning: `minigrep` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/minigrep-c19f034ddeb387a1)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/minigrep-01c7dafc6227276e)
[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] [stderr]    Doc-tests minigrep
[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" "a8a904aaf1654ed01948d86dcaa67e7637497dda4b9358fc3b466da0eac24ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8a904aaf1654ed01948d86dcaa67e7637497dda4b9358fc3b466da0eac24ea0", kill_on_drop: false }`
[INFO] [stdout] a8a904aaf1654ed01948d86dcaa67e7637497dda4b9358fc3b466da0eac24ea0