[INFO] fetching crate smolheed 0.1.0...
[INFO] checking smolheed-0.1.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate smolheed 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate smolheed 0.1.0
[INFO] finished tweaking crates.io crate smolheed 0.1.0
[INFO] tweaked toml for crates.io crate smolheed 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate smolheed 0.1.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate smolheed 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded page_size v0.4.2
[INFO] [stderr]   Downloaded synchronoise v1.0.0
[INFO] [stderr]   Downloaded lmdb-rkv-sys v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcac3297861b876e7da8fffd12bd312fd0922c345f6798343b7205e724c8bb94
[INFO] running `Command { std: "docker" "start" "-a" "fcac3297861b876e7da8fffd12bd312fd0922c345f6798343b7205e724c8bb94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcac3297861b876e7da8fffd12bd312fd0922c345f6798343b7205e724c8bb94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcac3297861b876e7da8fffd12bd312fd0922c345f6798343b7205e724c8bb94", kill_on_drop: false }`
[INFO] [stdout] fcac3297861b876e7da8fffd12bd312fd0922c345f6798343b7205e724c8bb94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7452db9f798b932d9d7e8bf4045a0bce60c0c5583750d2280e8b56f36137a09e
[INFO] running `Command { std: "docker" "start" "-a" "7452db9f798b932d9d7e8bf4045a0bce60c0c5583750d2280e8b56f36137a09e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling lmdb-rkv-sys v0.11.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking synchronoise v1.0.0
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking smolheed v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/env.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `sync-read-txn`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ffi::MDB_stat`
[INFO] [stdout]  --> src/mdb/lmdb_ffi.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use ffi::MDB_stat;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/env.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `sync-read-txn`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ffi::MDB_stat`
[INFO] [stdout]  --> src/mdb/lmdb_ffi.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use ffi::MDB_stat;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/env.rs:342:22
[INFO] [stdout]     |
[INFO] [stdout] 342 |     pub fn write_txn(&self) -> Result<RwTxn> {
[INFO] [stdout]     |                      ^^^^^            ^^^^^
[INFO] [stdout]     |                      |                |
[INFO] [stdout]     |                      |                the same lifetime is hidden here
[INFO] [stdout]     |                      |                the same lifetime is hidden here
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 342 |     pub fn write_txn(&self) -> Result<RwTxn<'_>> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/env.rs:350:21
[INFO] [stdout]     |
[INFO] [stdout] 350 |     pub fn read_txn(&self) -> Result<RoTxn> {
[INFO] [stdout]     |                     ^^^^^            ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 350 |     pub fn read_txn(&self) -> Result<RoTxn<'_>> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/env.rs:342:22
[INFO] [stdout]     |
[INFO] [stdout] 342 |     pub fn write_txn(&self) -> Result<RwTxn> {
[INFO] [stdout]     |                      ^^^^^            ^^^^^
[INFO] [stdout]     |                      |                |
[INFO] [stdout]     |                      |                the same lifetime is hidden here
[INFO] [stdout]     |                      |                the same lifetime is hidden here
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 342 |     pub fn write_txn(&self) -> Result<RwTxn<'_>> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/env.rs:350:21
[INFO] [stdout]     |
[INFO] [stdout] 350 |     pub fn read_txn(&self) -> Result<RoTxn> {
[INFO] [stdout]     |                     ^^^^^            ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 350 |     pub fn read_txn(&self) -> Result<RoTxn<'_>> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "7452db9f798b932d9d7e8bf4045a0bce60c0c5583750d2280e8b56f36137a09e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7452db9f798b932d9d7e8bf4045a0bce60c0c5583750d2280e8b56f36137a09e", kill_on_drop: false }`
[INFO] [stdout] 7452db9f798b932d9d7e8bf4045a0bce60c0c5583750d2280e8b56f36137a09e
