[INFO] fetching crate mfio-netfs 0.1.0...
[INFO] checking mfio-netfs-0.1.0 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate mfio-netfs 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mfio-netfs 0.1.0
[INFO] finished tweaking crates.io crate mfio-netfs 0.1.0
[INFO] tweaked toml for crates.io crate mfio-netfs 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mfio-netfs 0.1.0 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mfio-netfs 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e22dfca2cc62ac4d812b0104ced2db7a0144148c788c730948656f99e2418fec
[INFO] running `Command { std: "docker" "start" "-a" "e22dfca2cc62ac4d812b0104ced2db7a0144148c788c730948656f99e2418fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e22dfca2cc62ac4d812b0104ced2db7a0144148c788c730948656f99e2418fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e22dfca2cc62ac4d812b0104ced2db7a0144148c788c730948656f99e2418fec", kill_on_drop: false }`
[INFO] [stdout] e22dfca2cc62ac4d812b0104ced2db7a0144148c788c730948656f99e2418fec
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 731d8686d14e3a00f28200dc50233475430dd818932076c5447d6d5b463311ae
[INFO] running `Command { std: "docker" "start" "-a" "731d8686d14e3a00f28200dc50233475430dd818932076c5447d6d5b463311ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
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[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/net/client.rs:622:23
[INFO] [stdout]     |
[INFO] [stdout] 622 |     fn polling_handle(&self) -> Option<PollingHandle> {
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 622 |     fn polling_handle(&self) -> Option<PollingHandle<'_>> {
[INFO] [stdout]     |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/net/client.rs:626:20
[INFO] [stdout]     |
[INFO] [stdout] 626 |     fn get_backend(&self) -> BackendHandle<Self::Backend> {
[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] 626 |     fn get_backend(&self) -> BackendHandle<'_, Self::Backend> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/net/client.rs:622:23
[INFO] [stdout]     |
[INFO] [stdout] 622 |     fn polling_handle(&self) -> Option<PollingHandle> {
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 622 |     fn polling_handle(&self) -> Option<PollingHandle<'_>> {
[INFO] [stdout]     |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/net/client.rs:626:20
[INFO] [stdout]     |
[INFO] [stdout] 626 |     fn get_backend(&self) -> BackendHandle<Self::Backend> {
[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] 626 |     fn get_backend(&self) -> BackendHandle<'_, Self::Backend> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.36s
[INFO] running `Command { std: "docker" "inspect" "731d8686d14e3a00f28200dc50233475430dd818932076c5447d6d5b463311ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "731d8686d14e3a00f28200dc50233475430dd818932076c5447d6d5b463311ae", kill_on_drop: false }`
[INFO] [stdout] 731d8686d14e3a00f28200dc50233475430dd818932076c5447d6d5b463311ae
