[INFO] fetching crate paste-impl 0.1.18...
[INFO] checking paste-impl-0.1.18 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate paste-impl 0.1.18 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate paste-impl 0.1.18
[INFO] finished tweaking crates.io crate paste-impl 0.1.18
[INFO] tweaked toml for crates.io crate paste-impl 0.1.18 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate paste-impl 0.1.18 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fb8ea6fa260f5426320b7b8759108bd4d045f9e90b99da403e1649e8a799e62
[INFO] running `Command { std: "docker" "start" "-a" "2fb8ea6fa260f5426320b7b8759108bd4d045f9e90b99da403e1649e8a799e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fb8ea6fa260f5426320b7b8759108bd4d045f9e90b99da403e1649e8a799e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fb8ea6fa260f5426320b7b8759108bd4d045f9e90b99da403e1649e8a799e62", kill_on_drop: false }`
[INFO] [stdout] 2fb8ea6fa260f5426320b7b8759108bd4d045f9e90b99da403e1649e8a799e62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62c9c8b63d8f0e39052b9c816d0f5277fcbb08a19805b110ed93f59be35cf45a
[INFO] running `Command { std: "docker" "start" "-a" "62c9c8b63d8f0e39052b9c816d0f5277fcbb08a19805b110ed93f59be35cf45a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking paste-impl v0.1.18 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/enum_hack.rs:66:28
[INFO] [stdout]    |
[INFO] [stdout] 66 |         _ => unreachable!("{...}"),
[INFO] [stdout]    |                            ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 66 |         _ => unreachable!("{}", "{...}"),
[INFO] [stdout]    |                           +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/enum_hack.rs:66:28
[INFO] [stdout]    |
[INFO] [stdout] 66 |         _ => unreachable!("{...}"),
[INFO] [stdout]    |                            ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 66 |         _ => unreachable!("{}", "{...}"),
[INFO] [stdout]    |                           +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/enum_hack.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 78 |         _ => unreachable!("{...}"),
[INFO] [stdout]    |                            ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 78 |         _ => unreachable!("{}", "{...}"),
[INFO] [stdout]    |                           +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/enum_hack.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 78 |         _ => unreachable!("{...}"),
[INFO] [stdout]    |                            ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 78 |         _ => unreachable!("{}", "{...}"),
[INFO] [stdout]    |                           +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "62c9c8b63d8f0e39052b9c816d0f5277fcbb08a19805b110ed93f59be35cf45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c9c8b63d8f0e39052b9c816d0f5277fcbb08a19805b110ed93f59be35cf45a", kill_on_drop: false }`
[INFO] [stdout] 62c9c8b63d8f0e39052b9c816d0f5277fcbb08a19805b110ed93f59be35cf45a