[INFO] fetching crate cqrs-todo-core 0.2.1...
[INFO] checking cqrs-todo-core-0.2.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate cqrs-todo-core 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate cqrs-todo-core 0.2.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cqrs-todo-core 0.2.1
[INFO] finished tweaking crates.io crate cqrs-todo-core 0.2.1
[INFO] tweaked toml for crates.io crate cqrs-todo-core 0.2.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ron v0.4.2
[INFO] [stderr]   Downloaded console v0.7.7
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded ci_info v0.3.1
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded cqrs-proptest v0.3.0
[INFO] [stderr]   Downloaded insta v0.10.1
[INFO] [stderr]   Downloaded cqrs-core v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d627bfee23a5997d4f6a72c259e58b0dfe96ef655e8b389de433b564a3a27bf6
[INFO] running `Command { std: "docker" "start" "-a" "d627bfee23a5997d4f6a72c259e58b0dfe96ef655e8b389de433b564a3a27bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d627bfee23a5997d4f6a72c259e58b0dfe96ef655e8b389de433b564a3a27bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d627bfee23a5997d4f6a72c259e58b0dfe96ef655e8b389de433b564a3a27bf6", kill_on_drop: false }`
[INFO] [stdout] d627bfee23a5997d4f6a72c259e58b0dfe96ef655e8b389de433b564a3a27bf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2ae29dbffffc4f7b80c407b4bc2d87f1b0d50a01b84851d2588d2491a1d1b41
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b2ae29dbffffc4f7b80c407b4bc2d87f1b0d50a01b84851d2588d2491a1d1b41", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.42
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[INFO] [stderr]     Checking rand_core v0.4.2
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[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking cqrs-core v0.2.2
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[INFO] [stderr]    Compiling num-traits v0.2.12
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[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking cqrs-proptest v0.3.0
[INFO] [stderr]     Checking serde v1.0.116
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[INFO] [stderr]     Checking serde_json v1.0.58
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[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking insta v0.10.1
[INFO] [stderr]     Checking cqrs-todo-core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let err: &error::Error = self;
[INFO] [stdout]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let err: &error::Error = self;
[INFO] [stdout]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let err: &error::Error = self;
[INFO] [stdout]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:18:25
[INFO] [stdout]    |
[INFO] [stdout] 18 |         f.write_str(err.description())
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 |         f.write_str(err.description())
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |         f.write_str(err.description())
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let err: &error::Error = self;
[INFO] [stdout]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let err: &error::Error = self;
[INFO] [stdout]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let err: &error::Error = self;
[INFO] [stdout]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proptest_helper`
[INFO] [stdout]    --> src/lib.rs:485:58
[INFO] [stdout]     |
[INFO] [stdout] 485 |         use proptest::{prelude::*, prop_oneof, proptest, proptest_helper};
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:6:31
[INFO] [stdout]     |
[INFO] [stdout] 6   | #![warn(unused_import_braces, unused_imports, unused_qualifications)]
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:18:25
[INFO] [stdout]    |
[INFO] [stdout] 18 |         f.write_str(err.description())
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 |         f.write_str(err.description())
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |         f.write_str(err.description())
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "b2ae29dbffffc4f7b80c407b4bc2d87f1b0d50a01b84851d2588d2491a1d1b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ae29dbffffc4f7b80c407b4bc2d87f1b0d50a01b84851d2588d2491a1d1b41", kill_on_drop: false }`
[INFO] [stdout] b2ae29dbffffc4f7b80c407b4bc2d87f1b0d50a01b84851d2588d2491a1d1b41