[INFO] fetching crate microkv 0.2.6...
[INFO] testing microkv-0.2.6 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate microkv 0.2.6 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate microkv 0.2.6 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate microkv 0.2.6
[INFO] finished tweaking crates.io crate microkv 0.2.6
[INFO] tweaked toml for crates.io crate microkv 0.2.6 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 051a3a5244fe299dcc16ccc520a3509cf34f919f548e2666ad3a4d201d221c0d
[INFO] running `Command { std: "docker" "start" "-a" "051a3a5244fe299dcc16ccc520a3509cf34f919f548e2666ad3a4d201d221c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "051a3a5244fe299dcc16ccc520a3509cf34f919f548e2666ad3a4d201d221c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "051a3a5244fe299dcc16ccc520a3509cf34f919f548e2666ad3a4d201d221c0d", kill_on_drop: false }`
[INFO] [stdout] 051a3a5244fe299dcc16ccc520a3509cf34f919f548e2666ad3a4d201d221c0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] fcba3e92e2f45feeb70a1cc29505ec9c5f831f423721d2bd6e23930c6c1b08b5
[INFO] running `Command { std: "docker" "start" "-a" "fcba3e92e2f45feeb70a1cc29505ec9c5f831f423721d2bd6e23930c6c1b08b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling signature v1.4.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling ed25519 v1.3.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling libsodium-sys v0.2.7
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling secstr v0.4.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling sodiumoxide v0.2.7
[INFO] [stderr]    Compiling microkv v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 30s
[INFO] running `Command { std: "docker" "inspect" "fcba3e92e2f45feeb70a1cc29505ec9c5f831f423721d2bd6e23930c6c1b08b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcba3e92e2f45feeb70a1cc29505ec9c5f831f423721d2bd6e23930c6c1b08b5", kill_on_drop: false }`
[INFO] [stdout] fcba3e92e2f45feeb70a1cc29505ec9c5f831f423721d2bd6e23930c6c1b08b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b75753d94dd609ae99815d65fcc939b4529e0f583fad07eb0f299a5a3d08b320
[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" "b75753d94dd609ae99815d65fcc939b4529e0f583fad07eb0f299a5a3d08b320", kill_on_drop: false }`
[INFO] [stderr]    Compiling microkv v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/tests.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |     kv.put(KEY_NAME, value).expect("cannot insert value");
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      expected reference, found `u64`
[INFO] [stdout]    |                      help: consider borrowing here: `&value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&_`
[INFO] [stdout]                    found type `u64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/tests.rs:39:22
[INFO] [stdout]    |
[INFO] [stdout] 39 |     kv.put(KEY_NAME, value).expect("cannot insert value");
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      expected reference, found `i32`
[INFO] [stdout]    |                      help: consider borrowing here: `&value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&_`
[INFO] [stdout]                    found type `i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `microkv` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b75753d94dd609ae99815d65fcc939b4529e0f583fad07eb0f299a5a3d08b320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75753d94dd609ae99815d65fcc939b4529e0f583fad07eb0f299a5a3d08b320", kill_on_drop: false }`
[INFO] [stdout] b75753d94dd609ae99815d65fcc939b4529e0f583fad07eb0f299a5a3d08b320