[INFO] fetching crate ezra 0.1.3...
[INFO] testing ezra-0.1.3 against 1.44.0 for beta-1.45-1
[INFO] extracting crate ezra 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ezra 0.1.3 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ezra 0.1.3
[INFO] finished tweaking crates.io crate ezra 0.1.3
[INFO] tweaked toml for crates.io crate ezra 0.1.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.44.0" "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] 5142512f8db50ad3d3720f74a90cbb09cebeb64305bd00f21dddb00e1af0a393
[INFO] running `"docker" "start" "-a" "5142512f8db50ad3d3720f74a90cbb09cebeb64305bd00f21dddb00e1af0a393"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling ezra v0.1.3 (/opt/rustwide/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: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "5142512f8db50ad3d3720f74a90cbb09cebeb64305bd00f21dddb00e1af0a393"`
[INFO] running `"docker" "rm" "-f" "5142512f8db50ad3d3720f74a90cbb09cebeb64305bd00f21dddb00e1af0a393"`
[INFO] [stdout] 5142512f8db50ad3d3720f74a90cbb09cebeb64305bd00f21dddb00e1af0a393
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.44.0" "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] 0be16f2e622fe7d9f14935e24adb713f2a96de25848b32ab3ed5532d2fc773fe
[INFO] running `"docker" "start" "-a" "0be16f2e622fe7d9f14935e24adb713f2a96de25848b32ab3ed5532d2fc773fe"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ezra v0.1.3 (/opt/rustwide/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: 5 warnings emitted
[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] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "0be16f2e622fe7d9f14935e24adb713f2a96de25848b32ab3ed5532d2fc773fe"`
[INFO] running `"docker" "rm" "-f" "0be16f2e622fe7d9f14935e24adb713f2a96de25848b32ab3ed5532d2fc773fe"`
[INFO] [stdout] 0be16f2e622fe7d9f14935e24adb713f2a96de25848b32ab3ed5532d2fc773fe
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.44.0" "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] 8e86eb49f0d274e0b43f1fd609cd924ff6c5e1030c0e6170682a80d2f50e549b
[INFO] running `"docker" "start" "-a" "8e86eb49f0d274e0b43f1fd609cd924ff6c5e1030c0e6170682a80d2f50e549b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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: 5 warnings emitted
[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] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ezra-08090bc7c2178c07
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ezra
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test src/dice/dice_collection.rs - dice::dice_collection::DiceCollection<T>::roll_all (line 188) ... ok
[INFO] [stdout] test src/dice/mod.rs - dice::Die::get_value (line 94) ... ok
[INFO] [stdout] test src/dice/dice_collection.rs - dice::dice_collection::DiceCollection<T>::add (line 97) ... ok
[INFO] [stdout] test src/dice/dice_collection.rs - dice::dice_collection::DiceCollection<T>::add (line 79) ... ok
[INFO] [stdout] test src/dice/dice_collection.rs - dice::dice_collection::DiceCollection<T>::clear (line 128) ... ok
[INFO] [stdout] test src/dice/dice_collection.rs - dice::dice_collection::DiceCollection<T>::clear (line 144) ... ok
[INFO] [stdout] test src/dice/dice_collection.rs - dice::dice_collection::DiceCollection<T>::new (line 45) ... ok
[INFO] [stdout] test src/dice/dice_collection.rs - dice::dice_collection::DiceCollection<T>::iter_mut (line 306) ... ok
[INFO] [stdout] test src/dice/dice_collection.rs - dice::dice_collection::DiceCollection<T>::is_empty (line 221) ... ok
[INFO] [stdout] test src/dice/dice_collection.rs - dice::dice_collection::DiceCollection<T>::size (line 247) ... ok
[INFO] [stdout] test src/dice/dice_collection.rs - dice::dice_collection::DiceCollection<T>::roll_all (line 170) ... ok
[INFO] [stdout] test src/dice/dice_collection.rs - dice::dice_collection::DiceCollection<T>::iter (line 275) ... ok
[INFO] [stdout] test src/dice/dice_collection.rs - dice::dice_collection::DiceCollection<T>::total (line 348) ... ok
[INFO] [stdout] test src/dice/dice_collection.rs - dice::dice_collection::DiceCollection<T>::summary (line 393) ... ok
[INFO] [stdout] test src/dice/mod.rs - dice::Die::roll (line 53) ... ok
[INFO] [stdout] test src/dice/numeric_die.rs - dice::numeric_die::NumericDie::new (line 78) ... ok
[INFO] [stdout] test src/dice/numeric_die.rs - dice::numeric_die::NumericDie::new (line 62) ... ok
[INFO] [stdout] test src/dice/mod.rs - dice::Die::roll (line 70) ... ok
[INFO] [stdout] test src/dice/mod.rs - dice::Die::values (line 119) ... ok
[INFO] [stdout] test src/dice/value_die.rs - dice::value_die::ValueDie<E>::new (line 65) ... ok
[INFO] [stdout] test src/dice/value_die.rs - dice::value_die::ValueDie<E>::new (line 89) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8e86eb49f0d274e0b43f1fd609cd924ff6c5e1030c0e6170682a80d2f50e549b"`
[INFO] running `"docker" "rm" "-f" "8e86eb49f0d274e0b43f1fd609cd924ff6c5e1030c0e6170682a80d2f50e549b"`
[INFO] [stdout] 8e86eb49f0d274e0b43f1fd609cd924ff6c5e1030c0e6170682a80d2f50e549b