[INFO] fetching crate saferlmdb 0.1.0...
[INFO] checking saferlmdb-0.1.0 against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] extracting crate saferlmdb 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate saferlmdb 0.1.0 on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate saferlmdb 0.1.0
[INFO] finished tweaking crates.io crate saferlmdb 0.1.0
[INFO] tweaked toml for crates.io crate saferlmdb 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5e55bb8e03b909219ac49daf62cdd857001096eb0a8127d7453c74a9113982d
[INFO] running `Command { std: "docker" "start" "-a" "f5e55bb8e03b909219ac49daf62cdd857001096eb0a8127d7453c74a9113982d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5e55bb8e03b909219ac49daf62cdd857001096eb0a8127d7453c74a9113982d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5e55bb8e03b909219ac49daf62cdd857001096eb0a8127d7453c74a9113982d", kill_on_drop: false }`
[INFO] [stdout] f5e55bb8e03b909219ac49daf62cdd857001096eb0a8127d7453c74a9113982d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3643ac40dc3b9781130d69c7673f99464b3d312c03e578eb729dafaf6536a50
[INFO] running `Command { std: "docker" "start" "-a" "c3643ac40dc3b9781130d69c7673f99464b3d312c03e578eb729dafaf6536a50", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking supercow v0.1.0
[INFO] [stderr]     Checking bitflags v2.7.0
[INFO] [stderr]    Compiling cc v1.2.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling liblmdb v0.9.70
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking saferlmdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/env.rs:712:66
[INFO] [stdout]     |
[INFO] [stdout] 712 | pub fn env_open_dbis<'a>(this: &'a Supercow<'a, Environment>) -> &Mutex<HashSet<liblmdb::MDB_dbi>> {
[INFO] [stdout]     |                      -- lifetime `'a` declared here              ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/env.rs:712:66
[INFO] [stdout]     |
[INFO] [stdout] 712 | pub fn env_open_dbis<'a>(this: &'a Supercow<'a, Environment>) -> &Mutex<HashSet<liblmdb::MDB_dbi>> {
[INFO] [stdout]     |                      -- lifetime `'a` declared here              ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `error::Error` to `error::Error`
[INFO] [stdout]    --> src/iter.rs:131:38
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 Err(err) => Some(Err(err.into())),
[INFO] [stdout]     |                                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `saferlmdb` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this conversion is useless `error::Error` to `error::Error`
[INFO] [stdout]    --> src/iter.rs:131:38
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 Err(err) => Some(Err(err.into())),
[INFO] [stdout]     |                                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `saferlmdb` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c3643ac40dc3b9781130d69c7673f99464b3d312c03e578eb729dafaf6536a50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3643ac40dc3b9781130d69c7673f99464b3d312c03e578eb729dafaf6536a50", kill_on_drop: false }`
[INFO] [stdout] c3643ac40dc3b9781130d69c7673f99464b3d312c03e578eb729dafaf6536a50