[INFO] cloning repository https://github.com/Bennett-Petzold/backed_data
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bennett-Petzold/backed_data" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBennett-Petzold%2Fbacked_data", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 802b48af64814f844d86409b65cf35a1ebe6387f
[INFO] checking Bennett-Petzold/backed_data against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBennett-Petzold%2Fbacked_data" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
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[INFO] validating manifest of git repo https://github.com/Bennett-Petzold/backed_data on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Bennett-Petzold/backed_data 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" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "c8dd65d7851e8689cd1976702db352a741a8d988a03dafcb05937911d3a84fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8dd65d7851e8689cd1976702db352a741a8d988a03dafcb05937911d3a84fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8dd65d7851e8689cd1976702db352a741a8d988a03dafcb05937911d3a84fa4", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "24c84c7c5820eda5833b5810d84e9cdfdbf41c6c07b5080cc570ce59c8461300", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `Mutex` and `cell::UnsafeCell`
[INFO] [stdout]  --> src/utils/protected.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     cell::UnsafeCell,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     sync::{Mutex, MutexGuard},
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ToMut` and `ToRef`
[INFO] [stdout]   --> src/utils/protected.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | use super::{ToMut, ToRef};
[INFO] [stdout]    |             ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/entry/sync_impl.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 248 |     ) -> Result<BackedEntryMut<Self>, <Coder as Decoder<Disk::ReadDisk>>::Error> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^ 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] 248 |     ) -> Result<BackedEntryMut<'_, Self>, <Coder as Decoder<Disk::ReadDisk>>::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking hyper v1.4.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking hyper-util v0.1.10
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.12
[INFO] [stdout] warning: unused imports: `Mutex` and `cell::UnsafeCell`
[INFO] [stdout]  --> src/utils/protected.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     cell::UnsafeCell,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     sync::{Mutex, MutexGuard},
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ToMut` and `ToRef`
[INFO] [stdout]   --> src/utils/protected.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | use super::{ToMut, ToRef};
[INFO] [stdout]    |             ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/entry/sync_impl.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 248 |     ) -> Result<BackedEntryMut<Self>, <Coder as Decoder<Disk::ReadDisk>>::Error> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^ 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] 248 |     ) -> Result<BackedEntryMut<'_, Self>, <Coder as Decoder<Disk::ReadDisk>>::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "24c84c7c5820eda5833b5810d84e9cdfdbf41c6c07b5080cc570ce59c8461300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24c84c7c5820eda5833b5810d84e9cdfdbf41c6c07b5080cc570ce59c8461300", kill_on_drop: false }`
[INFO] [stdout] 24c84c7c5820eda5833b5810d84e9cdfdbf41c6c07b5080cc570ce59c8461300
