[INFO] cloning repository https://github.com/pchampin/pair_trait
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pchampin/pair_trait" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpchampin%2Fpair_trait", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpchampin%2Fpair_trait'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f47d86bec5bc5da166f88c7cc8c5b26dc6922cf
[INFO] testing pchampin/pair_trait against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpchampin%2Fpair_trait" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pchampin/pair_trait 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/pchampin/pair_trait
[INFO] finished tweaking git repo https://github.com/pchampin/pair_trait
[INFO] tweaked toml for git repo https://github.com/pchampin/pair_trait written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/pchampin/pair_trait 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rental v0.5.1
[INFO] [stderr]   Downloaded rental-impl v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] e1e3a8bcfe2f571af02c6013a135de4c57ac82c547190797ecaf2283e12c156d
[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" "e1e3a8bcfe2f571af02c6013a135de4c57ac82c547190797ecaf2283e12c156d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1e3a8bcfe2f571af02c6013a135de4c57ac82c547190797ecaf2283e12c156d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1e3a8bcfe2f571af02c6013a135de4c57ac82c547190797ecaf2283e12c156d", kill_on_drop: false }`
[INFO] [stdout] e1e3a8bcfe2f571af02c6013a135de4c57ac82c547190797ecaf2283e12c156d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] f83d34727e61c06a3702d46e4e248f2f0c2528dab567c88118e0cb86dc07130b
[INFO] running `Command { std: "docker" "start" "-a" "f83d34727e61c06a3702d46e4e248f2f0c2528dab567c88118e0cb86dc07130b", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling rental-impl v0.5.0
[INFO] [stderr]    Compiling rental v0.5.1
[INFO] [stderr]    Compiling trait_pair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `procedural-masquerade` crate
[INFO] [stdout]   --> src/main.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | / rental! {
[INFO] [stdout] 51 | |     pub mod self_sustained_pair {
[INFO] [stdout] 52 | |         use std::borrow::Cow;
[INFO] [stdout] 53 | |         #[rental(covariant)]
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |     }
[INFO] [stdout] 59 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(proc_macro_back_compat)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #83125 <https://github.com/rust-lang/rust/issues/83125>
[INFO] [stdout]    = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling.
[INFO] [stdout]    = note: this warning originates in the macro `rental` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.77s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rental v0.5.1, trait_pair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 7`
[INFO] running `Command { std: "docker" "inspect" "f83d34727e61c06a3702d46e4e248f2f0c2528dab567c88118e0cb86dc07130b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f83d34727e61c06a3702d46e4e248f2f0c2528dab567c88118e0cb86dc07130b", kill_on_drop: false }`
[INFO] [stdout] f83d34727e61c06a3702d46e4e248f2f0c2528dab567c88118e0cb86dc07130b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 5b6361fa573a238cb6e320ed4d6b307340c2ee58aaab9e29c45abde21775d107
[INFO] running `Command { std: "docker" "start" "-a" "5b6361fa573a238cb6e320ed4d6b307340c2ee58aaab9e29c45abde21775d107", kill_on_drop: false }`
[INFO] [stderr]    Compiling trait_pair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `procedural-masquerade` crate
[INFO] [stdout]   --> src/main.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | / rental! {
[INFO] [stdout] 51 | |     pub mod self_sustained_pair {
[INFO] [stdout] 52 | |         use std::borrow::Cow;
[INFO] [stdout] 53 | |         #[rental(covariant)]
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |     }
[INFO] [stdout] 59 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(proc_macro_back_compat)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #83125 <https://github.com/rust-lang/rust/issues/83125>
[INFO] [stdout]    = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling.
[INFO] [stdout]    = note: this warning originates in the macro `rental` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rental v0.5.1, trait_pair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 8`
[INFO] running `Command { std: "docker" "inspect" "5b6361fa573a238cb6e320ed4d6b307340c2ee58aaab9e29c45abde21775d107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b6361fa573a238cb6e320ed4d6b307340c2ee58aaab9e29c45abde21775d107", kill_on_drop: false }`
[INFO] [stdout] 5b6361fa573a238cb6e320ed4d6b307340c2ee58aaab9e29c45abde21775d107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3b163b1d1d87375f18392d6db7ea1e09e966e48cd02c8f5318957e0052410621
[INFO] running `Command { std: "docker" "start" "-a" "3b163b1d1d87375f18392d6db7ea1e09e966e48cd02c8f5318957e0052410621", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: using `procedural-masquerade` crate
[INFO] [stderr]   --> src/main.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | / rental! {
[INFO] [stderr] 51 | |     pub mod self_sustained_pair {
[INFO] [stderr] 52 | |         use std::borrow::Cow;
[INFO] [stderr] 53 | |         #[rental(covariant)]
[INFO] [stderr] ...  |
[INFO] [stderr] 58 | |     }
[INFO] [stderr] 59 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(proc_macro_back_compat)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #83125 <https://github.com/rust-lang/rust/issues/83125>
[INFO] [stderr]    = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling.
[INFO] [stderr]    = note: this warning originates in the macro `rental` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `trait_pair` (bin "trait_pair" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rental v0.5.1, trait_pair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 9`
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trait_pair-6223b7b47269b6f7)
[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" "3b163b1d1d87375f18392d6db7ea1e09e966e48cd02c8f5318957e0052410621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b163b1d1d87375f18392d6db7ea1e09e966e48cd02c8f5318957e0052410621", kill_on_drop: false }`
[INFO] [stdout] 3b163b1d1d87375f18392d6db7ea1e09e966e48cd02c8f5318957e0052410621