[INFO] fetching crate dicetest 0.2.1...
[INFO] checking dicetest-0.2.1 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate dicetest 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate dicetest 0.2.1 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dicetest 0.2.1
[INFO] finished tweaking crates.io crate dicetest 0.2.1
[INFO] tweaked toml for crates.io crate dicetest 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e419b7dd5b6151c46c86b2a42633e2770c050eecb4faaac4c0d9383a2f066426
[INFO] running `Command { std: "docker" "start" "-a" "e419b7dd5b6151c46c86b2a42633e2770c050eecb4faaac4c0d9383a2f066426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e419b7dd5b6151c46c86b2a42633e2770c050eecb4faaac4c0d9383a2f066426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e419b7dd5b6151c46c86b2a42633e2770c050eecb4faaac4c0d9383a2f066426", kill_on_drop: false }`
[INFO] [stdout] e419b7dd5b6151c46c86b2a42633e2770c050eecb4faaac4c0d9383a2f066426
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 920169f75bf261e48e3f18952b731d0444b23cc4e73cd640d00b729bff5d4c1c
[INFO] running `Command { std: "docker" "start" "-a" "920169f75bf261e48e3f18952b731d0444b23cc4e73cd640d00b729bff5d4c1c", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking dicetest v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:90:55
[INFO] [stdout]     |
[INFO] [stdout] 90  |           $crate::stats::inc($key, || format!($($arg)*));
[INFO] [stdout]     |                                                         ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/dice/float.rs:599:5
[INFO] [stdout]     |
[INFO] [stdout] 599 | /     range_tests! { f32:
[INFO] [stdout] 600 | |         f32_util
[INFO] [stdout] 601 | |         unit_f32
[INFO] [stdout] 602 | |         open_unit_f32
[INFO] [stdout] ...   |
[INFO] [stdout] 613 | |         open_unit_f32_calc_stats
[INFO] [stdout] 614 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `stat`
[INFO] [stdout]     = note: this warning originates in the macro `stat` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:90:55
[INFO] [stdout]     |
[INFO] [stdout] 90  |           $crate::stats::inc($key, || format!($($arg)*));
[INFO] [stdout]     |                                                         ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/dice/float.rs:599:5
[INFO] [stdout]     |
[INFO] [stdout] 599 | /     range_tests! { f32:
[INFO] [stdout] 600 | |         f32_util
[INFO] [stdout] 601 | |         unit_f32
[INFO] [stdout] 602 | |         open_unit_f32
[INFO] [stdout] ...   |
[INFO] [stdout] 613 | |         open_unit_f32_calc_stats
[INFO] [stdout] 614 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `stat`
[INFO] [stdout]     = note: this warning originates in the macro `stat` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:90:55
[INFO] [stdout]     |
[INFO] [stdout] 90  |           $crate::stats::inc($key, || format!($($arg)*));
[INFO] [stdout]     |                                                         ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/dice/float.rs:616:5
[INFO] [stdout]     |
[INFO] [stdout] 616 | /     range_tests! { f64:
[INFO] [stdout] 617 | |         f64_util
[INFO] [stdout] 618 | |         unit_f64
[INFO] [stdout] 619 | |         open_unit_f64
[INFO] [stdout] ...   |
[INFO] [stdout] 630 | |         open_unit_f64_calc_stats
[INFO] [stdout] 631 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `stat`
[INFO] [stdout]     = note: this warning originates in the macro `stat` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:90:55
[INFO] [stdout]     |
[INFO] [stdout] 90  |           $crate::stats::inc($key, || format!($($arg)*));
[INFO] [stdout]     |                                                         ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/dice/float.rs:616:5
[INFO] [stdout]     |
[INFO] [stdout] 616 | /     range_tests! { f64:
[INFO] [stdout] 617 | |         f64_util
[INFO] [stdout] 618 | |         unit_f64
[INFO] [stdout] 619 | |         open_unit_f64
[INFO] [stdout] ...   |
[INFO] [stdout] 630 | |         open_unit_f64_calc_stats
[INFO] [stdout] 631 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `stat`
[INFO] [stdout]     = note: this warning originates in the macro `stat` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:90:55
[INFO] [stdout]     |
[INFO] [stdout] 90  |           $crate::stats::inc($key, || format!($($arg)*));
[INFO] [stdout]     |                                                         ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/dice/terms_of.rs:215:17
[INFO] [stdout]     |
[INFO] [stdout] 215 | /                 stat!("greatest terms", "{:?}", {
[INFO] [stdout] 216 | |                     let max = terms.iter().max();
[INFO] [stdout] 217 | |                     terms
[INFO] [stdout] 218 | |                         .iter()
[INFO] [stdout] ...   |
[INFO] [stdout] 229 | |                         .collect::<Vec<_>>()
[INFO] [stdout] 230 | |                 })
[INFO] [stdout]     | |__________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `stat`
[INFO] [stdout]     = note: this warning originates in the macro `stat` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "920169f75bf261e48e3f18952b731d0444b23cc4e73cd640d00b729bff5d4c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "920169f75bf261e48e3f18952b731d0444b23cc4e73cd640d00b729bff5d4c1c", kill_on_drop: false }`
[INFO] [stdout] 920169f75bf261e48e3f18952b731d0444b23cc4e73cd640d00b729bff5d4c1c