[INFO] fetching crate quickcheck 1.0.3... [INFO] checking quickcheck-1.0.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate quickcheck 1.0.3 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate quickcheck 1.0.3 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-5-tc1/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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded env_logger v0.8.2 [INFO] [stderr] Downloaded rand_core v0.6.0 [INFO] [stderr] Downloaded memchr v2.3.4 [INFO] [stderr] Downloaded getrandom v0.2.0 [INFO] [stderr] Downloaded regex v1.4.2 [INFO] [stderr] Downloaded regex-syntax v0.6.21 [INFO] [stderr] Downloaded aho-corasick v0.7.15 [INFO] [stderr] Downloaded libc v0.2.81 [INFO] [stderr] Downloaded rand v0.8.0 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 45b64316c7e398f059fa3d85896c654f77e9298be928d9157866d686ed34c50e [INFO] running `Command { std: "docker" "start" "-a" "45b64316c7e398f059fa3d85896c654f77e9298be928d9157866d686ed34c50e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "45b64316c7e398f059fa3d85896c654f77e9298be928d9157866d686ed34c50e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45b64316c7e398f059fa3d85896c654f77e9298be928d9157866d686ed34c50e", kill_on_drop: false }` [INFO] [stdout] 45b64316c7e398f059fa3d85896c654f77e9298be928d9157866d686ed34c50e [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1fe88732a7b144dee1691ee4119d12acccce11a5ce2c18f21bab1343674f9e76 [INFO] running `Command { std: "docker" "start" "-a" "1fe88732a7b144dee1691ee4119d12acccce11a5ce2c18f21bab1343674f9e76", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling getrandom v0.2.0 [INFO] [stderr] Compiling log v0.4.11 [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 rand v0.8.0 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking env_logger v0.8.2 [INFO] [stderr] Checking quickcheck v1.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/arbitrary.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | use rand::{self, Rng, SeedableRng}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/arbitrary.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | use rand::{self, Rng, SeedableRng}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/tests.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::Ord; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [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/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: 3 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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.21s [INFO] running `Command { std: "docker" "inspect" "1fe88732a7b144dee1691ee4119d12acccce11a5ce2c18f21bab1343674f9e76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fe88732a7b144dee1691ee4119d12acccce11a5ce2c18f21bab1343674f9e76", kill_on_drop: false }` [INFO] [stdout] 1fe88732a7b144dee1691ee4119d12acccce11a5ce2c18f21bab1343674f9e76