[INFO] fetching crate paste-impl 0.1.18...
[INFO] testing paste-impl-0.1.18 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate paste-impl 0.1.18 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate paste-impl 0.1.18 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd92842dfa657ba41dfafde025c412a68424d7346cdf242fc78f675677ff5793
[INFO] running `Command { std: "docker" "start" "-a" "dd92842dfa657ba41dfafde025c412a68424d7346cdf242fc78f675677ff5793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd92842dfa657ba41dfafde025c412a68424d7346cdf242fc78f675677ff5793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd92842dfa657ba41dfafde025c412a68424d7346cdf242fc78f675677ff5793", kill_on_drop: false }`
[INFO] [stdout] dd92842dfa657ba41dfafde025c412a68424d7346cdf242fc78f675677ff5793
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34d49852f66ca2ba7f2f07e77912567f3c472de1878da8761fc28e36b2928d70
[INFO] running `Command { std: "docker" "start" "-a" "34d49852f66ca2ba7f2f07e77912567f3c472de1878da8761fc28e36b2928d70", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(rust_2021_compatibility)]`) 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 0.59s
[INFO] running `Command { std: "docker" "inspect" "34d49852f66ca2ba7f2f07e77912567f3c472de1878da8761fc28e36b2928d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34d49852f66ca2ba7f2f07e77912567f3c472de1878da8761fc28e36b2928d70", kill_on_drop: false }`
[INFO] [stdout] 34d49852f66ca2ba7f2f07e77912567f3c472de1878da8761fc28e36b2928d70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff3119ef11a9e6257102ae3aa81b0c60d4a5c73d56909df1879e9f044d44eee9
[INFO] running `Command { std: "docker" "start" "-a" "ff3119ef11a9e6257102ae3aa81b0c60d4a5c73d56909df1879e9f044d44eee9", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(rust_2021_compatibility)]`) 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)]` (part of `#[warn(rust_2021_compatibility)]`) 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 `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "ff3119ef11a9e6257102ae3aa81b0c60d4a5c73d56909df1879e9f044d44eee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff3119ef11a9e6257102ae3aa81b0c60d4a5c73d56909df1879e9f044d44eee9", kill_on_drop: false }`
[INFO] [stdout] ff3119ef11a9e6257102ae3aa81b0c60d4a5c73d56909df1879e9f044d44eee9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 688b5e9dad9fd883430e5e4bae7a294a7f41ccb4c59ddf10a88fc27411c48d0c
[INFO] running `Command { std: "docker" "start" "-a" "688b5e9dad9fd883430e5e4bae7a294a7f41ccb4c59ddf10a88fc27411c48d0c", kill_on_drop: false }`
[INFO] [stderr] warning: panic message contains braces
[INFO] [stderr]   --> src/enum_hack.rs:66:28
[INFO] [stderr]    |
[INFO] [stderr] 66 |         _ => unreachable!("{...}"),
[INFO] [stderr]    |                            ^   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: add a "{}" format string to use the message literally
[INFO] [stderr]    |
[INFO] [stderr] 66 |         _ => unreachable!("{}", "{...}"),
[INFO] [stderr]    |                           +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains braces
[INFO] [stderr]   --> src/enum_hack.rs:78:28
[INFO] [stderr]    |
[INFO] [stderr] 78 |         _ => unreachable!("{...}"),
[INFO] [stderr]    |                            ^   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stderr] help: add a "{}" format string to use the message literally
[INFO] [stderr]    |
[INFO] [stderr] 78 |         _ => unreachable!("{}", "{...}"),
[INFO] [stderr]    |                           +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `paste-impl` (lib) generated 2 warnings (run `cargo fix --lib -p paste-impl` to apply 2 suggestions)
[INFO] [stderr] warning: `paste-impl` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/paste_impl-13a4849a2fb23673)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests paste_impl
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "688b5e9dad9fd883430e5e4bae7a294a7f41ccb4c59ddf10a88fc27411c48d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "688b5e9dad9fd883430e5e4bae7a294a7f41ccb4c59ddf10a88fc27411c48d0c", kill_on_drop: false }`
[INFO] [stdout] 688b5e9dad9fd883430e5e4bae7a294a7f41ccb4c59ddf10a88fc27411c48d0c