[INFO] fetching crate contact 0.4.2...
[INFO] checking contact-0.4.2 against try#377afada703be70d3fdff9164a481570a3cba7fe for pr-113240
[INFO] extracting crate contact 0.4.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate contact 0.4.2 on toolchain 377afada703be70d3fdff9164a481570a3cba7fe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate contact 0.4.2
[INFO] finished tweaking crates.io crate contact 0.4.2
[INFO] tweaked toml for crates.io crate contact 0.4.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d84d22de62fc85e785be06b357396922f1df46136de074dc57b96b7027684561
[INFO] running `Command { std: "docker" "start" "-a" "d84d22de62fc85e785be06b357396922f1df46136de074dc57b96b7027684561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d84d22de62fc85e785be06b357396922f1df46136de074dc57b96b7027684561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d84d22de62fc85e785be06b357396922f1df46136de074dc57b96b7027684561", kill_on_drop: false }`
[INFO] [stdout] d84d22de62fc85e785be06b357396922f1df46136de074dc57b96b7027684561
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8387762b4a6fb1557813ddb267b6a85f8fc63df97115f44061e8c059a776b44
[INFO] running `Command { std: "docker" "start" "-a" "a8387762b4a6fb1557813ddb267b6a85f8fc63df97115f44061e8c059a776b44", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking linked-hash-map v0.5.6
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[INFO] [stderr]     Checking signal-hook-registry v1.4.1
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[INFO] [stderr]     Checking parking_lot v0.11.2
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[INFO] [stderr]     Checking cpufeatures v0.2.8
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[INFO] [stderr]    Compiling const_fn v0.4.9
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[INFO] [stderr]    Compiling time v0.2.27
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[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
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[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking base64 v0.13.1
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[INFO] [stderr]     Checking openssl v0.10.55
[INFO] [stderr]     Checking tracing-futures v0.2.5
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[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling enum-as-inner v0.3.4
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]     Checking trust-dns-proto v0.19.7
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]     Checking num256 v0.3.5
[INFO] [stderr]     Checking deep_space v0.2.5
[INFO] [stderr]     Checking trust-dns-resolver v0.19.7
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[INFO] [stderr]     Checking actix-codec v0.3.0
[INFO] [stderr]     Checking actix-service v1.0.6
[INFO] [stderr]     Checking actix-threadpool v0.3.3
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]     Checking actix-utils v2.0.0
[INFO] [stderr]     Checking actix v0.10.0
[INFO] [stderr]     Checking actix-connect v2.0.0
[INFO] [stderr]     Checking actix-tls v2.0.0
[INFO] [stderr]     Checking actix-server v1.0.4
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[INFO] [stderr]     Checking actix-testing v1.0.1
[INFO] [stderr]     Checking awc v2.0.3
[INFO] [stderr]     Checking actix-web v3.3.3
[INFO] [stderr]     Checking contact v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/client/mod.rs:75:20
[INFO] [stdout]    |
[INFO] [stdout] 75 |             panic!(format!("{:?}", e))
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 75 -             panic!(format!("{:?}", e))
[INFO] [stdout] 75 +             panic!("{:?}", e)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "a8387762b4a6fb1557813ddb267b6a85f8fc63df97115f44061e8c059a776b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8387762b4a6fb1557813ddb267b6a85f8fc63df97115f44061e8c059a776b44", kill_on_drop: false }`
[INFO] [stdout] a8387762b4a6fb1557813ddb267b6a85f8fc63df97115f44061e8c059a776b44