[INFO] fetching crate capter 1.0.0-alpha.34...
[INFO] checking capter-1.0.0-alpha.34 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate capter 1.0.0-alpha.34 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate capter 1.0.0-alpha.34 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate capter 1.0.0-alpha.34
[INFO] finished tweaking crates.io crate capter 1.0.0-alpha.34
[INFO] tweaked toml for crates.io crate capter 1.0.0-alpha.34 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate capter 1.0.0-alpha.34 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded path-clean v0.1.0
[INFO] [stderr]   Downloaded fsio v0.1.3
[INFO] [stderr]   Downloaded envmnt v0.8.4
[INFO] [stderr]   Downloaded ci_info v0.13.2
[INFO] [stderr]   Downloaded serde_yaml v0.8.14
[INFO] [stderr]   Downloaded mockito v0.29.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 542ce9cf095ad48028da90e2503b37068e0b0f9625fd40d40fea65a91efd9627
[INFO] running `Command { std: "docker" "start" "-a" "542ce9cf095ad48028da90e2503b37068e0b0f9625fd40d40fea65a91efd9627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "542ce9cf095ad48028da90e2503b37068e0b0f9625fd40d40fea65a91efd9627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "542ce9cf095ad48028da90e2503b37068e0b0f9625fd40d40fea65a91efd9627", kill_on_drop: false }`
[INFO] [stdout] 542ce9cf095ad48028da90e2503b37068e0b0f9625fd40d40fea65a91efd9627
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de45fb20f378b978c28de327aae6fdad2954aff1a31b29e8c98ac0a31bb3fc27
[INFO] running `Command { std: "docker" "start" "-a" "de45fb20f378b978c28de327aae6fdad2954aff1a31b29e8c98ac0a31bb3fc27", kill_on_drop: false }`
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[INFO] [stderr]    Compiling unicode-xid v0.2.1
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[INFO] [stderr]     Checking linked-hash-map v0.5.3
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[INFO] [stderr]    Compiling serde_derive v1.0.118
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[INFO] [stderr]     Checking capter v1.0.0-alpha.34 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/ui/update.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |                     &self.print_step(config, &step, StepStatus::Running);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/ui/update.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     &self.print_summary();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/ui/update.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 &self.print_step(config, &step, StepStatus::Done(passed));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/ui/update.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |                     &self.print_assertions(assertion_results);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/ui/update.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 &self.print_step(config, &step, StepStatus::Skipped);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/utils/exit.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     panic!(code);
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 11 |     panic!("{}", code);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 11 |     std::panic::panic_any(code);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/ui/update.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |                     &self.print_step(config, &step, StepStatus::Running);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/ui/update.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     &self.print_summary();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/ui/update.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 &self.print_step(config, &step, StepStatus::Done(passed));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/ui/update.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |                     &self.print_assertions(assertion_results);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/ui/update.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 &self.print_step(config, &step, StepStatus::Skipped);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.11s
[INFO] running `Command { std: "docker" "inspect" "de45fb20f378b978c28de327aae6fdad2954aff1a31b29e8c98ac0a31bb3fc27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de45fb20f378b978c28de327aae6fdad2954aff1a31b29e8c98ac0a31bb3fc27", kill_on_drop: false }`
[INFO] [stdout] de45fb20f378b978c28de327aae6fdad2954aff1a31b29e8c98ac0a31bb3fc27