[INFO] fetching crate prove_derive 0.1.5... [INFO] checking prove_derive-0.1.5 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate prove_derive 0.1.5 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate prove_derive 0.1.5 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate prove_derive 0.1.5 [INFO] finished tweaking crates.io crate prove_derive 0.1.5 [INFO] tweaked toml for crates.io crate prove_derive 0.1.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 22 packages to latest compatible versions [INFO] [stderr] Adding idna v0.2.3 (available: v1.0.2) [INFO] [stderr] Adding idna v0.5.0 (available: v1.0.2) [INFO] [stderr] Adding proc-macro2 v0.4.30 (available: v1.0.86) [INFO] [stderr] Adding quote v0.6.13 (available: v1.0.37) [INFO] [stderr] Adding syn v0.15.44 (available: v2.0.77) [INFO] [stderr] Adding unicode-xid v0.1.0 (available: v0.2.6) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3ac681847b37fc5ace7713548d395a70fd68990c6a3c47cec5aa9d559a6d0b08 [INFO] running `Command { std: "docker" "start" "-a" "3ac681847b37fc5ace7713548d395a70fd68990c6a3c47cec5aa9d559a6d0b08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3ac681847b37fc5ace7713548d395a70fd68990c6a3c47cec5aa9d559a6d0b08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ac681847b37fc5ace7713548d395a70fd68990c6a3c47cec5aa9d559a6d0b08", kill_on_drop: false }` [INFO] [stdout] 3ac681847b37fc5ace7713548d395a70fd68990c6a3c47cec5aa9d559a6d0b08 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 590c3de2f06ecc985fb605f35db17772dc5fddb29045744a142d1e2ef89ee244 [INFO] running `Command { std: "docker" "start" "-a" "590c3de2f06ecc985fb605f35db17772dc5fddb29045744a142d1e2ef89ee244", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling tinyvec_macros v0.1.1 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling regex-syntax v0.8.4 [INFO] [stderr] Compiling percent-encoding v2.3.1 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Checking unicode-normalization v0.1.24 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Compiling tinyvec v1.8.0 [INFO] [stderr] Compiling form_urlencoded v1.2.1 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking url v2.5.2 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking prove v0.1.5 [INFO] [stderr] Checking prove_derive v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:284:49 [INFO] [stdout] | [INFO] [stdout] 284 | ... f => panic!(format!("Unsupported validator {:}", f)), [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 [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] 284 - f => panic!(format!("Unsupported validator {:}", f)), [INFO] [stdout] 284 + f => panic!("Unsupported validator {:}", f), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:289:45 [INFO] [stdout] | [INFO] [stdout] 289 | ... f => panic!(format!("Unsupported validator {:}", f)), [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 [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 289 - f => panic!(format!("Unsupported validator {:}", f)), [INFO] [stdout] 289 + f => panic!("Unsupported validator {:}", f), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:284:49 [INFO] [stdout] | [INFO] [stdout] 284 | ... f => panic!(format!("Unsupported validator {:}", f)), [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 [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] 284 - f => panic!(format!("Unsupported validator {:}", f)), [INFO] [stdout] 284 + f => panic!("Unsupported validator {:}", f), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:289:45 [INFO] [stdout] | [INFO] [stdout] 289 | ... f => panic!(format!("Unsupported validator {:}", f)), [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 [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 289 - f => panic!(format!("Unsupported validator {:}", f)), [INFO] [stdout] 289 + f => panic!("Unsupported validator {:}", f), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:284:49 [INFO] [stdout] | [INFO] [stdout] 284 | ... f => panic!(format!("Unsupported validator {:}", f)), [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 [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] 284 - f => panic!(format!("Unsupported validator {:}", f)), [INFO] [stdout] 284 + f => panic!("Unsupported validator {:}", f), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:289:45 [INFO] [stdout] | [INFO] [stdout] 289 | ... f => panic!(format!("Unsupported validator {:}", f)), [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 [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 289 - f => panic!(format!("Unsupported validator {:}", f)), [INFO] [stdout] 289 + f => panic!("Unsupported validator {:}", f), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.46s [INFO] running `Command { std: "docker" "inspect" "590c3de2f06ecc985fb605f35db17772dc5fddb29045744a142d1e2ef89ee244", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "590c3de2f06ecc985fb605f35db17772dc5fddb29045744a142d1e2ef89ee244", kill_on_drop: false }` [INFO] [stdout] 590c3de2f06ecc985fb605f35db17772dc5fddb29045744a142d1e2ef89ee244