[INFO] fetching crate lsm_engine 0.1.9...
[INFO] testing lsm_engine-0.1.9 against 1.60.0 for beta-1.61-1
[INFO] extracting crate lsm_engine 0.1.9 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate lsm_engine 0.1.9 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 crates.io crate lsm_engine 0.1.9
[INFO] finished tweaking crates.io crate lsm_engine 0.1.9
[INFO] tweaked toml for crates.io crate lsm_engine 0.1.9 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.18
[INFO] [stderr]   Downloaded itoa v1.0.1
[INFO] [stderr]   Downloaded compare v0.1.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.16
[INFO] [stderr]   Downloaded redox_syscall v0.2.13
[INFO] [stderr]   Downloaded binary-heap-plus v0.2.0
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded thiserror-impl v1.0.30
[INFO] [stderr]   Downloaded ryu v1.0.9
[INFO] [stderr]   Downloaded serde_derive v1.0.136
[INFO] [stderr]   Downloaded serde v1.0.136
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded instant v0.1.12
[INFO] [stderr]   Downloaded fastrand v1.7.0
[INFO] [stderr]   Downloaded bitflags v1.3.2
[INFO] [stderr]   Downloaded remove_dir_all v0.5.3
[INFO] [stderr]   Downloaded tempfile v3.3.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.37
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded syn v1.0.91
[INFO] [stderr]   Downloaded thiserror v1.0.30
[INFO] [stderr]   Downloaded getrandom v0.1.16
[INFO] [stderr]   Downloaded serde_json v1.0.79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cec7bdf87375bb63deee8aff2480c54e0e7c4d39d580871fc638d1c2ffe1514a
[INFO] running `Command { std: "docker" "start" "-a" "cec7bdf87375bb63deee8aff2480c54e0e7c4d39d580871fc638d1c2ffe1514a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cec7bdf87375bb63deee8aff2480c54e0e7c4d39d580871fc638d1c2ffe1514a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cec7bdf87375bb63deee8aff2480c54e0e7c4d39d580871fc638d1c2ffe1514a", kill_on_drop: false }`
[INFO] [stdout] cec7bdf87375bb63deee8aff2480c54e0e7c4d39d580871fc638d1c2ffe1514a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] fa5b218c2a8a3812c355e31f564e59d56e197de89f595a638f5cf32edc1b7b75
[INFO] running `Command { std: "docker" "start" "-a" "fa5b218c2a8a3812c355e31f564e59d56e197de89f595a638f5cf32edc1b7b75", kill_on_drop: false }`
[INFO] [stderr]    Compiling compare v0.1.0
[INFO] [stderr]    Compiling binary-heap-plus v0.2.0
[INFO] [stderr]    Compiling lsm_engine v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0603]: module `export` is private
[INFO] [stdout]    --> src/kv.rs:5:12
[INFO] [stdout]     |
[INFO] [stdout] 5   | use serde::export::TryFrom;
[INFO] [stdout]     |            ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `export` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.136/src/lib.rs:276:5
[INFO] [stdout]     |
[INFO] [stdout] 276 | use self::__private as export;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]   --> src/sst.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/kv.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lsm_engine` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "fa5b218c2a8a3812c355e31f564e59d56e197de89f595a638f5cf32edc1b7b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa5b218c2a8a3812c355e31f564e59d56e197de89f595a638f5cf32edc1b7b75", kill_on_drop: false }`
[INFO] [stdout] fa5b218c2a8a3812c355e31f564e59d56e197de89f595a638f5cf32edc1b7b75