[INFO] crate ezra 0.1.3 is already in cache
[INFO] extracting crate ezra 0.1.3 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/ezra/0.1.3
[INFO] extracting crate ezra 0.1.3 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/ezra/0.1.3
[INFO] validating manifest of ezra-0.1.3 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ezra-0.1.3 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ezra-0.1.3
[INFO] finished frobbing ezra-0.1.3
[INFO] frobbed toml for ezra-0.1.3 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/ezra/0.1.3/Cargo.toml
[INFO] started frobbing ezra-0.1.3
[INFO] finished frobbing ezra-0.1.3
[INFO] frobbed toml for ezra-0.1.3 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/ezra/0.1.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ezra-0.1.3 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-7/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/ezra/0.1.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 00ecd8cca25d3bd1702ae52362418f64ad47ea7cf4c90004dfc323b17545e927
[INFO] running `"docker" "start" "-a" "00ecd8cca25d3bd1702ae52362418f64ad47ea7cf4c90004dfc323b17545e927"`
[INFO] [stderr]     Checking ezra v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `HashMap` is imported redundantly
[INFO] [stderr]    --> src/dice/dice_collection.rs:421:13
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::collections::HashMap;
[INFO] [stderr]     |     ------------------------- the item `HashMap` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 421 |         use std::collections::HashMap;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dice/value_die.rs:39:14
[INFO] [stderr]    |
[INFO] [stderr] 39 |     rng: Box<Rng>,          
[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/dice/value_die.rs:111:46
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn new(vals: Vec<E>, rng: Option<Box<Rng>>) -> Self {
[INFO] [stderr]     |                                              ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dice/numeric_die.rs:36:14
[INFO] [stderr]    |
[INFO] [stderr] 36 |     rng: Box<Rng>,                      
[INFO] [stderr]    |              ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dice/numeric_die.rs:91:75
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn new(min: usize, step: usize, num_sides: usize, rng: Option<Box<Rng>>) -> Self {
[INFO] [stderr]    |                                                                           ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `HashMap` is imported redundantly
[INFO] [stderr]    --> src/dice/dice_collection.rs:421:13
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::collections::HashMap;
[INFO] [stderr]     |     ------------------------- the item `HashMap` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 421 |         use std::collections::HashMap;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dice/value_die.rs:39:14
[INFO] [stderr]    |
[INFO] [stderr] 39 |     rng: Box<Rng>,          
[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/dice/value_die.rs:111:46
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn new(vals: Vec<E>, rng: Option<Box<Rng>>) -> Self {
[INFO] [stderr]     |                                              ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dice/numeric_die.rs:36:14
[INFO] [stderr]    |
[INFO] [stderr] 36 |     rng: Box<Rng>,                      
[INFO] [stderr]    |              ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dice/numeric_die.rs:91:75
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn new(min: usize, step: usize, num_sides: usize, rng: Option<Box<Rng>>) -> Self {
[INFO] [stderr]    |                                                                           ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "00ecd8cca25d3bd1702ae52362418f64ad47ea7cf4c90004dfc323b17545e927"`
[INFO] running `"docker" "rm" "-f" "00ecd8cca25d3bd1702ae52362418f64ad47ea7cf4c90004dfc323b17545e927"`
[INFO] [stdout] 00ecd8cca25d3bd1702ae52362418f64ad47ea7cf4c90004dfc323b17545e927