[INFO] fetching crate base-pny 0.0.1...
[INFO] testing base-pny-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate base-pny 0.0.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate base-pny 0.0.1 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 crates.io crate base-pny 0.0.1
[INFO] finished tweaking crates.io crate base-pny 0.0.1
[INFO] tweaked toml for crates.io crate base-pny 0.0.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 2f76f0c54433f668ac21e414050d229ffd81dd0deafa8c904fdc6868acff2d45
[INFO] running `Command { std: "docker" "start" "-a" "2f76f0c54433f668ac21e414050d229ffd81dd0deafa8c904fdc6868acff2d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f76f0c54433f668ac21e414050d229ffd81dd0deafa8c904fdc6868acff2d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f76f0c54433f668ac21e414050d229ffd81dd0deafa8c904fdc6868acff2d45", kill_on_drop: false }`
[INFO] [stdout] 2f76f0c54433f668ac21e414050d229ffd81dd0deafa8c904fdc6868acff2d45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] a1e23ccf79a306a78b1006fbab17f0c17ee9c1e9ae1b34c35c99274a0b615ce2
[INFO] running `Command { std: "docker" "start" "-a" "a1e23ccf79a306a78b1006fbab17f0c17ee9c1e9ae1b34c35c99274a0b615ce2", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling base-pny v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:141:27
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let rsymbols: Box<Iterator<Item = &str>> = if self.delimiter.is_some() {
[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 2018) 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] 141 -         let rsymbols: Box<Iterator<Item = &str>> = if self.delimiter.is_some() {
[INFO] [stdout] 141 +         let rsymbols: Box<dyn Iterator<Item = &str>> = if self.delimiter.is_some() {
[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 3.32s
[INFO] running `Command { std: "docker" "inspect" "a1e23ccf79a306a78b1006fbab17f0c17ee9c1e9ae1b34c35c99274a0b615ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1e23ccf79a306a78b1006fbab17f0c17ee9c1e9ae1b34c35c99274a0b615ce2", kill_on_drop: false }`
[INFO] [stdout] a1e23ccf79a306a78b1006fbab17f0c17ee9c1e9ae1b34c35c99274a0b615ce2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] e2a142ba4b3d010dd4d50b08101de1786fb27a3426d055de15ec590043184f31
[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" "e2a142ba4b3d010dd4d50b08101de1786fb27a3426d055de15ec590043184f31", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling base-pny v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:141:27
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let rsymbols: Box<Iterator<Item = &str>> = if self.delimiter.is_some() {
[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 2018) 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] 141 -         let rsymbols: Box<Iterator<Item = &str>> = if self.delimiter.is_some() {
[INFO] [stdout] 141 +         let rsymbols: Box<dyn Iterator<Item = &str>> = if self.delimiter.is_some() {
[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:141:27
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let rsymbols: Box<Iterator<Item = &str>> = if self.delimiter.is_some() {
[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 2018) 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] 141 -         let rsymbols: Box<Iterator<Item = &str>> = if self.delimiter.is_some() {
[INFO] [stdout] 141 +         let rsymbols: Box<dyn Iterator<Item = &str>> = if self.delimiter.is_some() {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.79s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/base_pny-a09f2eb6700806f1)
[INFO] running `Command { std: "docker" "inspect" "e2a142ba4b3d010dd4d50b08101de1786fb27a3426d055de15ec590043184f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2a142ba4b3d010dd4d50b08101de1786fb27a3426d055de15ec590043184f31", kill_on_drop: false }`
[INFO] [stdout] e2a142ba4b3d010dd4d50b08101de1786fb27a3426d055de15ec590043184f31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 751001366fb34810c18839916077b59fdab9ac62d8ec6f6f6269cf52cbe55191
[INFO] running `Command { std: "docker" "start" "-a" "751001366fb34810c18839916077b59fdab9ac62d8ec6f6f6269cf52cbe55191", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:141:27
[INFO] [stderr]     |
[INFO] [stderr] 141 |         let rsymbols: Box<Iterator<Item = &str>> = if self.delimiter.is_some() {
[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 2018) 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] 141 -         let rsymbols: Box<Iterator<Item = &str>> = if self.delimiter.is_some() {
[INFO] [stderr] 141 +         let rsymbols: Box<dyn Iterator<Item = &str>> = if self.delimiter.is_some() {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `base-pny` (lib) generated 1 warning
[INFO] [stderr] warning: `base-pny` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/base_pny-a09f2eb6700806f1)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests base-pny
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_encode_decode ... ok
[INFO] [stdout] test tests::test_decode_overflow ... ok
[INFO] [stdout] test tests::test_new_returns_err ... ok
[INFO] [stdout] test tests::test_new_returns_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "751001366fb34810c18839916077b59fdab9ac62d8ec6f6f6269cf52cbe55191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "751001366fb34810c18839916077b59fdab9ac62d8ec6f6f6269cf52cbe55191", kill_on_drop: false }`
[INFO] [stdout] 751001366fb34810c18839916077b59fdab9ac62d8ec6f6f6269cf52cbe55191