[INFO] fetching crate quickcheck 1.0.3... [INFO] checking quickcheck-1.0.3 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate quickcheck 1.0.3 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate quickcheck 1.0.3 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 quickcheck 1.0.3 [INFO] finished tweaking crates.io crate quickcheck 1.0.3 [INFO] tweaked toml for crates.io crate quickcheck 1.0.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate quickcheck 1.0.3 already has a lockfile, it will not be regenerated [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 47c71c2efc5cd2539c4062a97b8fcdda06b7fba79f17cda094d4bb77d690e8db [INFO] running `Command { std: "docker" "start" "-a" "47c71c2efc5cd2539c4062a97b8fcdda06b7fba79f17cda094d4bb77d690e8db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "47c71c2efc5cd2539c4062a97b8fcdda06b7fba79f17cda094d4bb77d690e8db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47c71c2efc5cd2539c4062a97b8fcdda06b7fba79f17cda094d4bb77d690e8db", kill_on_drop: false }` [INFO] [stdout] 47c71c2efc5cd2539c4062a97b8fcdda06b7fba79f17cda094d4bb77d690e8db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 602a1d678a5a2cdd287ace3c19dde68c6f9bf6d4697da6febb81ebe213f41ab5 [INFO] running `Command { std: "docker" "start" "-a" "602a1d678a5a2cdd287ace3c19dde68c6f9bf6d4697da6febb81ebe213f41ab5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling getrandom v0.2.0 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking rand_core v0.6.0 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking rand v0.8.0 [INFO] [stderr] Checking env_logger v0.8.2 [INFO] [stderr] Checking quickcheck v1.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `AShow` is never used [INFO] [stdout] --> src/tester.rs:416:7 [INFO] [stdout] | [INFO] [stdout] 416 | trait AShow: Arbitrary + Debug {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/tester.rs:165:35 [INFO] [stdout] | [INFO] [stdout] 165 | Err(result) => panic!(result.failed_msg()), [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: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 165 | Err(result) => panic!("{}", result.failed_msg()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `AShow` is never used [INFO] [stdout] --> src/tester.rs:416:7 [INFO] [stdout] | [INFO] [stdout] 416 | trait AShow: Arbitrary + Debug {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/arbitrary.rs:1368:32 [INFO] [stdout] | [INFO] [stdout] 1368 | panic!(format!( [INFO] [stdout] | ________________________________^ [INFO] [stdout] 1369 | | "Element {:?} was not found \ [INFO] [stdout] 1370 | | in shrink results {:?}", [INFO] [stdout] 1371 | | n, shrunk [INFO] [stdout] 1372 | | )); [INFO] [stdout] | |_________________________^ [INFO] [stdout] ... [INFO] [stdout] 1381 | define_float_eq!(f32); [INFO] [stdout] | --------------------- in this macro invocation [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] = note: this warning originates in the macro `define_float_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 1368 ~ panic!( [INFO] [stdout] 1369 | "Element {:?} was not found \ [INFO] [stdout] 1370 | in shrink results {:?}", [INFO] [stdout] 1371 | n, shrunk [INFO] [stdout] 1372 ~ ); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/arbitrary.rs:1368:32 [INFO] [stdout] | [INFO] [stdout] 1368 | panic!(format!( [INFO] [stdout] | ________________________________^ [INFO] [stdout] 1369 | | "Element {:?} was not found \ [INFO] [stdout] 1370 | | in shrink results {:?}", [INFO] [stdout] 1371 | | n, shrunk [INFO] [stdout] 1372 | | )); [INFO] [stdout] | |_________________________^ [INFO] [stdout] ... [INFO] [stdout] 1393 | define_float_eq!(f64); [INFO] [stdout] | --------------------- in this macro invocation [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: this warning originates in the macro `define_float_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 1368 ~ panic!( [INFO] [stdout] 1369 | "Element {:?} was not found \ [INFO] [stdout] 1370 | in shrink results {:?}", [INFO] [stdout] 1371 | n, shrunk [INFO] [stdout] 1372 ~ ); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/tester.rs:165:35 [INFO] [stdout] | [INFO] [stdout] 165 | Err(result) => panic!(result.failed_msg()), [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] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 165 | Err(result) => panic!("{}", result.failed_msg()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.66s [INFO] running `Command { std: "docker" "inspect" "602a1d678a5a2cdd287ace3c19dde68c6f9bf6d4697da6febb81ebe213f41ab5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "602a1d678a5a2cdd287ace3c19dde68c6f9bf6d4697da6febb81ebe213f41ab5", kill_on_drop: false }` [INFO] [stdout] 602a1d678a5a2cdd287ace3c19dde68c6f9bf6d4697da6febb81ebe213f41ab5