[INFO] fetching crate paste-impl 0.1.18...
[INFO] testing paste-impl-0.1.18 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate paste-impl 0.1.18 into /workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate paste-impl 0.1.18 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca22e7565e38e6ea29d1d6401cce5631106f3356c666e5ecbae9ce260afeb71a
[INFO] running `Command { std: "docker" "start" "-a" "ca22e7565e38e6ea29d1d6401cce5631106f3356c666e5ecbae9ce260afeb71a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca22e7565e38e6ea29d1d6401cce5631106f3356c666e5ecbae9ce260afeb71a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca22e7565e38e6ea29d1d6401cce5631106f3356c666e5ecbae9ce260afeb71a", kill_on_drop: false }`
[INFO] [stdout] ca22e7565e38e6ea29d1d6401cce5631106f3356c666e5ecbae9ce260afeb71a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c2728a1c04f638339a8f821d55314c54905f5310daf85793d4411e6c88b3f71
[INFO] running `Command { std: "docker" "start" "-a" "5c2728a1c04f638339a8f821d55314c54905f5310daf85793d4411e6c88b3f71", 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 0.80s
[INFO] running `Command { std: "docker" "inspect" "5c2728a1c04f638339a8f821d55314c54905f5310daf85793d4411e6c88b3f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c2728a1c04f638339a8f821d55314c54905f5310daf85793d4411e6c88b3f71", kill_on_drop: false }`
[INFO] [stdout] 5c2728a1c04f638339a8f821d55314c54905f5310daf85793d4411e6c88b3f71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bc381493027e262a1d95665451a4d09d763d198008fd225753723ff679d71a4
[INFO] running `Command { std: "docker" "start" "-a" "8bc381493027e262a1d95665451a4d09d763d198008fd225753723ff679d71a4", 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] [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 `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "8bc381493027e262a1d95665451a4d09d763d198008fd225753723ff679d71a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc381493027e262a1d95665451a4d09d763d198008fd225753723ff679d71a4", kill_on_drop: false }`
[INFO] [stdout] 8bc381493027e262a1d95665451a4d09d763d198008fd225753723ff679d71a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8fabc6db46835b2b0b947713e49ba94b323cec506b4dbf1c54486d7f08c86582
[INFO] running `Command { std: "docker" "start" "-a" "8fabc6db46835b2b0b947713e49ba94b323cec506b4dbf1c54486d7f08c86582", 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 0.04s
[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" "8fabc6db46835b2b0b947713e49ba94b323cec506b4dbf1c54486d7f08c86582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fabc6db46835b2b0b947713e49ba94b323cec506b4dbf1c54486d7f08c86582", kill_on_drop: false }`
[INFO] [stdout] 8fabc6db46835b2b0b947713e49ba94b323cec506b4dbf1c54486d7f08c86582