[INFO] fetching crate paste-impl 0.1.18...
[INFO] checking paste-impl-0.1.18 against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] extracting crate paste-impl 0.1.18 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate paste-impl 0.1.18 on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "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" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 882bcb93f8b0ed2bc4baaff1aa589d4abf684e018457072397a0ac696649c372
[INFO] running `Command { std: "docker" "start" "-a" "882bcb93f8b0ed2bc4baaff1aa589d4abf684e018457072397a0ac696649c372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "882bcb93f8b0ed2bc4baaff1aa589d4abf684e018457072397a0ac696649c372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "882bcb93f8b0ed2bc4baaff1aa589d4abf684e018457072397a0ac696649c372", kill_on_drop: false }`
[INFO] [stdout] 882bcb93f8b0ed2bc4baaff1aa589d4abf684e018457072397a0ac696649c372
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67cd8bc44cef7dca12f5ef793e4d5f55908f3c3352b2e01917b2584b471355d2
[INFO] running `Command { std: "docker" "start" "-a" "67cd8bc44cef7dca12f5ef793e4d5f55908f3c3352b2e01917b2584b471355d2", 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: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: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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "67cd8bc44cef7dca12f5ef793e4d5f55908f3c3352b2e01917b2584b471355d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67cd8bc44cef7dca12f5ef793e4d5f55908f3c3352b2e01917b2584b471355d2", kill_on_drop: false }`
[INFO] [stdout] 67cd8bc44cef7dca12f5ef793e4d5f55908f3c3352b2e01917b2584b471355d2