[INFO] fetching crate microkv 0.2.9...
[INFO] checking microkv-0.2.9 against try#804fff1ae95da9d03bd44eee27f258020a575dab for pr-146013
[INFO] extracting crate microkv 0.2.9 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate microkv 0.2.9
[INFO] finished tweaking crates.io crate microkv 0.2.9
[INFO] tweaked toml for crates.io crate microkv 0.2.9 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate microkv 0.2.9 on toolchain 804fff1ae95da9d03bd44eee27f258020a575dab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 47 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding dirs v3.0.2 (available: v6.0.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.11.0)
[INFO] [stderr]       Adding secstr v0.4.0 (available: v0.5.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24ef54a4f78a1ad4db8caa3b7e901fc12589754ea0e6b86b16d0572c71f59a3d
[INFO] running `Command { std: "docker" "start" "-a" "24ef54a4f78a1ad4db8caa3b7e901fc12589754ea0e6b86b16d0572c71f59a3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24ef54a4f78a1ad4db8caa3b7e901fc12589754ea0e6b86b16d0572c71f59a3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24ef54a4f78a1ad4db8caa3b7e901fc12589754ea0e6b86b16d0572c71f59a3d", kill_on_drop: false }`
[INFO] [stdout] 24ef54a4f78a1ad4db8caa3b7e901fc12589754ea0e6b86b16d0572c71f59a3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 812bf659e60efe2872106036d0c337e6ef8154f319ecea7336fbdd4598ddb0fc
[INFO] running `Command { std: "docker" "start" "-a" "812bf659e60efe2872106036d0c337e6ef8154f319ecea7336fbdd4598ddb0fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling find-msvc-tools v0.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]    Compiling cc v1.2.36
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling libsodium-sys v0.2.7
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking secstr v0.4.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking sodiumoxide v0.2.7
[INFO] [stderr]     Checking microkv v0.2.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/kv.rs:226:22
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn namespace(&self, namespace: impl AsRef<str>) -> NamespaceMicrokv {
[INFO] [stdout]     |                      ^^^^^ the lifetime is elided here     ^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 226 |     pub fn namespace(&self, namespace: impl AsRef<str>) -> NamespaceMicrokv<'_> {
[INFO] [stdout]     |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/kv.rs:230:30
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn namespace_default(&self) -> NamespaceMicrokv {
[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] 230 |     pub fn namespace_default(&self) -> NamespaceMicrokv<'_> {
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/kv.rs:226:22
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn namespace(&self, namespace: impl AsRef<str>) -> NamespaceMicrokv {
[INFO] [stdout]     |                      ^^^^^ the lifetime is elided here     ^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 226 |     pub fn namespace(&self, namespace: impl AsRef<str>) -> NamespaceMicrokv<'_> {
[INFO] [stdout]     |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/kv.rs:230:30
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn namespace_default(&self) -> NamespaceMicrokv {
[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] 230 |     pub fn namespace_default(&self) -> NamespaceMicrokv<'_> {
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 13s
[INFO] running `Command { std: "docker" "inspect" "812bf659e60efe2872106036d0c337e6ef8154f319ecea7336fbdd4598ddb0fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "812bf659e60efe2872106036d0c337e6ef8154f319ecea7336fbdd4598ddb0fc", kill_on_drop: false }`
[INFO] [stdout] 812bf659e60efe2872106036d0c337e6ef8154f319ecea7336fbdd4598ddb0fc