[INFO] crate ktm5e-dice 0.1.0 is already in cache
[INFO] testing ktm5e-dice-0.1.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate ktm5e-dice 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ktm5e-dice 0.1.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ktm5e-dice 0.1.0
[INFO] finished tweaking crates.io crate ktm5e-dice 0.1.0
[INFO] tweaked toml for crates.io crate ktm5e-dice 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a8441fda2f47e76de45c3e2975fdb15336ea9efaf1ddda4247384c6268634e3d
[INFO] running `"docker" "start" "-a" "a8441fda2f47e76de45c3e2975fdb15336ea9efaf1ddda4247384c6268634e3d"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling ktm5e-dice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/syntax/lexer.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 '0' ... '9' => self.lex_integer(),
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:102:34
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn roll(&self, rng: &mut Rng) -> Option<i32> {
[INFO] [stderr]     |                                  ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:192:34
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub fn roll(&self, rng: &mut Rng, reroll: Option<Reroll>, fold: Fold) -> DiceResult {
[INFO] [stderr]     |                                  ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:225:34
[INFO] [stderr]     |
[INFO] [stderr] 225 |     pub fn roll(&self, rng: &mut Rng, reroll: Option<Reroll>) -> DieResult {
[INFO] [stderr]     |                                  ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:270:23
[INFO] [stderr]     |
[INFO] [stderr] 270 | fn generate(rng: &mut Rng, minimum: u32, maximum: u32) -> u32 {
[INFO] [stderr]     |                       ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/syntax/mod.rs:59:19
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]    |                   ----^^^^^^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/syntax/mod.rs:84:19
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]    |                   ----^^^^^^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `i128_type` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:17:37
[INFO] [stderr]    |
[INFO] [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
[INFO] [stderr]    |                                     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.66s
[INFO] running `"docker" "inspect" "a8441fda2f47e76de45c3e2975fdb15336ea9efaf1ddda4247384c6268634e3d"`
[INFO] running `"docker" "rm" "-f" "a8441fda2f47e76de45c3e2975fdb15336ea9efaf1ddda4247384c6268634e3d"`
[INFO] [stdout] a8441fda2f47e76de45c3e2975fdb15336ea9efaf1ddda4247384c6268634e3d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 06582d71e2d0883eab3b977af9b307cbc5f7de050416d163883da63ecf970d81
[INFO] running `"docker" "start" "-a" "06582d71e2d0883eab3b977af9b307cbc5f7de050416d163883da63ecf970d81"`
[INFO] [stderr]    Compiling microbench v0.3.3
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/syntax/lexer.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 '0' ... '9' => self.lex_integer(),
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:102:34
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn roll(&self, rng: &mut Rng) -> Option<i32> {
[INFO] [stderr]     |                                  ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:192:34
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub fn roll(&self, rng: &mut Rng, reroll: Option<Reroll>, fold: Fold) -> DiceResult {
[INFO] [stderr]     |                                  ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:225:34
[INFO] [stderr]     |
[INFO] [stderr] 225 |     pub fn roll(&self, rng: &mut Rng, reroll: Option<Reroll>) -> DieResult {
[INFO] [stderr]     |                                  ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:270:23
[INFO] [stderr]     |
[INFO] [stderr] 270 | fn generate(rng: &mut Rng, minimum: u32, maximum: u32) -> u32 {
[INFO] [stderr]     |                       ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/syntax/mod.rs:59:19
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]    |                   ----^^^^^^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/syntax/mod.rs:84:19
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]    |                   ----^^^^^^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `i128_type` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:17:37
[INFO] [stderr]    |
[INFO] [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
[INFO] [stderr]    |                                     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling ktm5e-dice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/syntax/lexer.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 '0' ... '9' => self.lex_integer(),
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:102:34
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn roll(&self, rng: &mut Rng) -> Option<i32> {
[INFO] [stderr]     |                                  ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:192:34
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub fn roll(&self, rng: &mut Rng, reroll: Option<Reroll>, fold: Fold) -> DiceResult {
[INFO] [stderr]     |                                  ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:225:34
[INFO] [stderr]     |
[INFO] [stderr] 225 |     pub fn roll(&self, rng: &mut Rng, reroll: Option<Reroll>) -> DieResult {
[INFO] [stderr]     |                                  ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:270:23
[INFO] [stderr]     |
[INFO] [stderr] 270 | fn generate(rng: &mut Rng, minimum: u32, maximum: u32) -> u32 {
[INFO] [stderr]     |                       ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/syntax/mod.rs:59:19
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]    |                   ----^^^^^^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/syntax/mod.rs:84:19
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]    |                   ----^^^^^^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `i128_type` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:17:37
[INFO] [stderr]    |
[INFO] [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
[INFO] [stderr]    |                                     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `i128_type` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> tests/statistics.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | #![feature(i128_type)]
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.85s
[INFO] running `"docker" "inspect" "06582d71e2d0883eab3b977af9b307cbc5f7de050416d163883da63ecf970d81"`
[INFO] running `"docker" "rm" "-f" "06582d71e2d0883eab3b977af9b307cbc5f7de050416d163883da63ecf970d81"`
[INFO] [stdout] 06582d71e2d0883eab3b977af9b307cbc5f7de050416d163883da63ecf970d81
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4b5486aa024b3c23ee5db115d542f10fe101892eda4a61c84f411ab85e6c6ccc
[INFO] running `"docker" "start" "-a" "4b5486aa024b3c23ee5db115d542f10fe101892eda4a61c84f411ab85e6c6ccc"`
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/syntax/lexer.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 '0' ... '9' => self.lex_integer(),
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:102:34
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn roll(&self, rng: &mut Rng) -> Option<i32> {
[INFO] [stderr]     |                                  ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:192:34
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub fn roll(&self, rng: &mut Rng, reroll: Option<Reroll>, fold: Fold) -> DiceResult {
[INFO] [stderr]     |                                  ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:225:34
[INFO] [stderr]     |
[INFO] [stderr] 225 |     pub fn roll(&self, rng: &mut Rng, reroll: Option<Reroll>) -> DieResult {
[INFO] [stderr]     |                                  ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:270:23
[INFO] [stderr]     |
[INFO] [stderr] 270 | fn generate(rng: &mut Rng, minimum: u32, maximum: u32) -> u32 {
[INFO] [stderr]     |                       ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/syntax/mod.rs:59:19
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]    |                   ----^^^^^^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/syntax/mod.rs:84:19
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]    |                   ----^^^^^^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `i128_type` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:17:37
[INFO] [stderr]    |
[INFO] [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
[INFO] [stderr]    |                                     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/syntax/lexer.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 '0' ... '9' => self.lex_integer(),
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:102:34
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn roll(&self, rng: &mut Rng) -> Option<i32> {
[INFO] [stderr]     |                                  ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:192:34
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub fn roll(&self, rng: &mut Rng, reroll: Option<Reroll>, fold: Fold) -> DiceResult {
[INFO] [stderr]     |                                  ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:225:34
[INFO] [stderr]     |
[INFO] [stderr] 225 |     pub fn roll(&self, rng: &mut Rng, reroll: Option<Reroll>) -> DieResult {
[INFO] [stderr]     |                                  ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:270:23
[INFO] [stderr]     |
[INFO] [stderr] 270 | fn generate(rng: &mut Rng, minimum: u32, maximum: u32) -> u32 {
[INFO] [stderr]     |                       ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/syntax/mod.rs:59:19
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]    |                   ----^^^^^^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/syntax/mod.rs:84:19
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]    |                   ----^^^^^^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `i128_type` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:17:37
[INFO] [stderr]    |
[INFO] [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
[INFO] [stderr]    |                                     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `i128_type` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> tests/statistics.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | #![feature(i128_type)]
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dice-e073057a2d52224a
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ratio-d78240325ad8b31b
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_ratio ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/statistics-c77b2dfd91c72b0c
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_statistics_die ... ok
[INFO] [stdout] test test_statistics_expression ... ok
[INFO] [stdout] test test_statistics_dice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/syntax-62afba94e18d02d5
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_parse_err ... ok
[INFO] [stdout] test test_parse_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dice
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4b5486aa024b3c23ee5db115d542f10fe101892eda4a61c84f411ab85e6c6ccc"`
[INFO] running `"docker" "rm" "-f" "4b5486aa024b3c23ee5db115d542f10fe101892eda4a61c84f411ab85e6c6ccc"`
[INFO] [stdout] 4b5486aa024b3c23ee5db115d542f10fe101892eda4a61c84f411ab85e6c6ccc