[INFO] fetching crate mekena 0.1.0...
[INFO] checking mekena-0.1.0 against 1.95.0 for pr-155915
[INFO] extracting crate mekena 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate mekena 0.1.0
[INFO] finished tweaking crates.io crate mekena 0.1.0
[INFO] tweaked toml for crates.io crate mekena 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mekena 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mekena 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded supports-hyperlinks v1.2.0
[INFO] [stderr]   Downloaded num_cpus v1.14.0
[INFO] [stderr]   Downloaded supports-color v1.3.0
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[INFO] [stderr]   Downloaded crossbeam v0.8.2
[INFO] [stderr]   Downloaded either v1.8.0
[INFO] [stderr]   Downloaded mekena-macros v0.1.0
[INFO] [stderr]   Downloaded mekena-messaging v0.1.0
[INFO] [stderr]   Downloaded is_ci v1.1.1
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.6
[INFO] [stderr]   Downloaded mekena-state v0.1.0
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[INFO] [stderr]   Downloaded darling_core v0.14.2
[INFO] [stderr]   Downloaded backtrace v0.3.66
[INFO] [stderr]   Downloaded flume v0.10.14
[INFO] [stderr]   Downloaded owo-colors v3.5.0
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[INFO] [stderr]   Downloaded spin v0.9.4
[INFO] [stderr]   Downloaded textwrap v0.15.2
[INFO] [stderr]   Downloaded miette-derive v5.4.1
[INFO] [stderr]   Downloaded mekena-util v0.1.0
[INFO] [stderr]   Downloaded darling_macro v0.14.2
[INFO] [stderr]   Downloaded object v0.29.0
[INFO] [stderr]   Downloaded gimli v0.26.2
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f28c07b182d454ac4dd1db385700920cca597c80de4df2c4a75ba8c0df7eab37
[INFO] running `Command { std: "docker" "start" "-a" "f28c07b182d454ac4dd1db385700920cca597c80de4df2c4a75ba8c0df7eab37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f28c07b182d454ac4dd1db385700920cca597c80de4df2c4a75ba8c0df7eab37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28c07b182d454ac4dd1db385700920cca597c80de4df2c4a75ba8c0df7eab37", kill_on_drop: false }`
[INFO] [stdout] f28c07b182d454ac4dd1db385700920cca597c80de4df2c4a75ba8c0df7eab37
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b008688128768bb091ad512a77f799d245f5fe5e5ae2068fd2a3a2556eff8d67
[INFO] running `Command { std: "docker" "start" "-a" "b008688128768bb091ad512a77f799d245f5fe5e5ae2068fd2a3a2556eff8d67", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling once_cell v1.16.0
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[INFO] [stderr]     Checking futures-sink v0.3.25
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[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling cc v1.0.74
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]    Compiling rayon-core v1.9.3
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[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]     Checking miniz_oxide v0.5.4
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[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling num-traits v0.2.15
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[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking plotters v0.3.4
[INFO] [stderr]     Checking mekena-state v0.1.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling darling_core v0.14.2
[INFO] [stderr]    Compiling unicode-linebreak v0.1.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling futures-macro v0.3.25
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling miette-derive v5.4.1
[INFO] [stderr]    Compiling darling_macro v0.14.2
[INFO] [stderr]     Checking thiserror v1.0.37
[INFO] [stderr]    Compiling darling v0.14.2
[INFO] [stderr]    Compiling mekena-macros v0.1.0
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking mekena-util v0.1.0
[INFO] [stderr]     Checking textwrap v0.15.2
[INFO] [stderr]     Checking miette v5.4.1
[INFO] [stderr]     Checking mekena-messaging v0.1.0
[INFO] [stderr]     Checking futures-executor v0.3.25
[INFO] [stderr]     Checking futures v0.3.25
[INFO] [stderr]     Checking mekena v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `futures::SinkExt`
[INFO] [stdout]  --> src/system.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::SinkExt;
[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/context.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn get(&self, key: String) -> Option<Ref<String, Box<dyn Any + Send + Sync>>> {
[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] 51 |     pub fn get(&self, key: String) -> Option<Ref<'_, String, Box<dyn Any + Send + Sync>>> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/context.rs:60:20
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn get_mut(&self, key: String) -> Option<RefMut<String, Box<dyn Any + Send + Sync>>> {
[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] 60 |     pub fn get_mut(&self, key: String) -> Option<RefMut<'_, String, Box<dyn Any + Send + Sync>>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ciborium v0.2.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: struct `MyMessage` is never constructed
[INFO] [stdout]   --> examples/timing.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct MyMessage(i32);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::SinkExt`
[INFO] [stdout]  --> src/system.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::SinkExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/messaging.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct MyMessage(i32);
[INFO] [stdout]    |        --------- ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `MyMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (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/context.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn get(&self, key: String) -> Option<Ref<String, Box<dyn Any + Send + Sync>>> {
[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] 51 |     pub fn get(&self, key: String) -> Option<Ref<'_, String, Box<dyn Any + Send + Sync>>> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/context.rs:60:20
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn get_mut(&self, key: String) -> Option<RefMut<String, Box<dyn Any + Send + Sync>>> {
[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] 60 |     pub fn get_mut(&self, key: String) -> Option<RefMut<'_, String, Box<dyn Any + Send + Sync>>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.32s
[INFO] running `Command { std: "docker" "inspect" "b008688128768bb091ad512a77f799d245f5fe5e5ae2068fd2a3a2556eff8d67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b008688128768bb091ad512a77f799d245f5fe5e5ae2068fd2a3a2556eff8d67", kill_on_drop: false }`
[INFO] [stdout] b008688128768bb091ad512a77f799d245f5fe5e5ae2068fd2a3a2556eff8d67
