[INFO] updating cached repository copumpkin/rustnapshotter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/copumpkin/rustnapshotter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/copumpkin/rustnapshotter" "work/ex/beta-1.38-1/sources/1.37.0/gh/copumpkin/rustnapshotter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/copumpkin/rustnapshotter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/copumpkin/rustnapshotter" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/copumpkin/rustnapshotter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/copumpkin/rustnapshotter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9a1d0f5ef94cec679c4235eef0d08584875bb787
[INFO] sha for GitHub repo copumpkin/rustnapshotter: 9a1d0f5ef94cec679c4235eef0d08584875bb787
[INFO] validating manifest of copumpkin/rustnapshotter on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of copumpkin/rustnapshotter on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing copumpkin/rustnapshotter
[INFO] finished frobbing copumpkin/rustnapshotter
[INFO] frobbed toml for copumpkin/rustnapshotter written to work/ex/beta-1.38-1/sources/1.37.0/gh/copumpkin/rustnapshotter/Cargo.toml
[INFO] started frobbing copumpkin/rustnapshotter
[INFO] finished frobbing copumpkin/rustnapshotter
[INFO] frobbed toml for copumpkin/rustnapshotter written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/copumpkin/rustnapshotter/Cargo.toml
[INFO] crate copumpkin/rustnapshotter already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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] testing copumpkin/rustnapshotter against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/copumpkin/rustnapshotter:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 89a811d38c3beadf62c85c4811383d7dc34ffadfebc4d7100b3c7bc694746905
[INFO] running `"docker" "start" "-a" "89a811d38c3beadf62c85c4811383d7dc34ffadfebc4d7100b3c7bc694746905"`
[INFO] [stderr]    Compiling rusoto_core v0.36.0
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling hyper v0.12.24
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling rusoto_credential v0.15.0
[INFO] [stderr]    Compiling rusoto_sts v0.36.0
[INFO] [stderr]    Compiling rusoto_s3 v0.36.0
[INFO] [stderr]    Compiling rusoto_iam v0.36.0
[INFO] [stderr]    Compiling rustnapshotter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `IntoFuture`, `LoopFn`
[INFO] [stderr]   --> src/main.rs:18:23
[INFO] [stderr]    |
[INFO] [stderr] 18 | use futures::future::{IntoFuture, Future, ok, FutureResult, loop_fn, Loop, LoopFn}; 
[INFO] [stderr]    |                       ^^^^^^^^^^                                           ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CredentialsError`, `HttpDispatchError`, `RusotoFuture`
[INFO] [stderr]   --> src/main.rs:19:39
[INFO] [stderr]    |
[INFO] [stderr] 19 | use rusoto_core::{Region, HttpClient, RusotoFuture, CredentialsError, HttpDispatchError};
[INFO] [stderr]    |                                       ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GetAccountAuthorizationDetailsError`
[INFO] [stderr]   --> src/main.rs:21:73
[INFO] [stderr]    |
[INFO] [stderr] 21 | use rusoto_iam::{Iam, IamClient, GetAccountAuthorizationDetailsRequest, GetAccountAuthorizationDetailsError, ListEntitiesForPolicyRequest};
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/main.rs:166:41
[INFO] [stderr]     |
[INFO] [stderr] 166 |                                     Err(err) => {}
[INFO] [stderr]     |                                         ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/main.rs:236:25
[INFO] [stderr]     |
[INFO] [stderr] 236 |                     Err(err) => {
[INFO] [stderr]     |                         ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/main.rs:248:18
[INFO] [stderr]     |
[INFO] [stderr] 248 |             for (k, v) in state.roles.iter_mut().chain(state.users.iter_mut()) {
[INFO] [stderr]     |                  ^ help: consider prefixing with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/main.rs:270:13
[INFO] [stderr]     |
[INFO] [stderr] 270 |         Err(err) => {}
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scheduler`
[INFO] [stderr]    --> src/main.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn snapshot_iam(scheduler: Scheduler, iam_client: IamClient) {
[INFO] [stderr]     |                 ^^^^^^^^^ help: consider prefixing with an underscore: `_scheduler`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]    --> src/main.rs:336:11
[INFO] [stderr]     |
[INFO] [stderr] 336 |       Err(error) => {
[INFO] [stderr]     |           ^^^^^ help: consider prefixing with an underscore: `_error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:257:21
[INFO] [stderr]     |
[INFO] [stderr] 257 |                     state.users[user_arn]["groups"].push(state.group_arns[k].clone());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 03s
[INFO] running `"docker" "inspect" "89a811d38c3beadf62c85c4811383d7dc34ffadfebc4d7100b3c7bc694746905"`
[INFO] running `"docker" "rm" "-f" "89a811d38c3beadf62c85c4811383d7dc34ffadfebc4d7100b3c7bc694746905"`
[INFO] [stdout] 89a811d38c3beadf62c85c4811383d7dc34ffadfebc4d7100b3c7bc694746905
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/copumpkin/rustnapshotter:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4420fffd6e5574b130a4bd75224bd3d7b84be94d926ec95c9ca9ecd16ce19c7d
[INFO] running `"docker" "start" "-a" "4420fffd6e5574b130a4bd75224bd3d7b84be94d926ec95c9ca9ecd16ce19c7d"`
[INFO] [stderr]    Compiling rustnapshotter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `IntoFuture`, `LoopFn`
[INFO] [stderr]   --> src/main.rs:18:23
[INFO] [stderr]    |
[INFO] [stderr] 18 | use futures::future::{IntoFuture, Future, ok, FutureResult, loop_fn, Loop, LoopFn}; 
[INFO] [stderr]    |                       ^^^^^^^^^^                                           ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CredentialsError`, `HttpDispatchError`, `RusotoFuture`
[INFO] [stderr]   --> src/main.rs:19:39
[INFO] [stderr]    |
[INFO] [stderr] 19 | use rusoto_core::{Region, HttpClient, RusotoFuture, CredentialsError, HttpDispatchError};
[INFO] [stderr]    |                                       ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GetAccountAuthorizationDetailsError`
[INFO] [stderr]   --> src/main.rs:21:73
[INFO] [stderr]    |
[INFO] [stderr] 21 | use rusoto_iam::{Iam, IamClient, GetAccountAuthorizationDetailsRequest, GetAccountAuthorizationDetailsError, ListEntitiesForPolicyRequest};
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/main.rs:166:41
[INFO] [stderr]     |
[INFO] [stderr] 166 |                                     Err(err) => {}
[INFO] [stderr]     |                                         ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/main.rs:236:25
[INFO] [stderr]     |
[INFO] [stderr] 236 |                     Err(err) => {
[INFO] [stderr]     |                         ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/main.rs:248:18
[INFO] [stderr]     |
[INFO] [stderr] 248 |             for (k, v) in state.roles.iter_mut().chain(state.users.iter_mut()) {
[INFO] [stderr]     |                  ^ help: consider prefixing with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/main.rs:270:13
[INFO] [stderr]     |
[INFO] [stderr] 270 |         Err(err) => {}
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scheduler`
[INFO] [stderr]    --> src/main.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn snapshot_iam(scheduler: Scheduler, iam_client: IamClient) {
[INFO] [stderr]     |                 ^^^^^^^^^ help: consider prefixing with an underscore: `_scheduler`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]    --> src/main.rs:336:11
[INFO] [stderr]     |
[INFO] [stderr] 336 |       Err(error) => {
[INFO] [stderr]     |           ^^^^^ help: consider prefixing with an underscore: `_error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:257:21
[INFO] [stderr]     |
[INFO] [stderr] 257 |                     state.users[user_arn]["groups"].push(state.group_arns[k].clone());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `"docker" "inspect" "4420fffd6e5574b130a4bd75224bd3d7b84be94d926ec95c9ca9ecd16ce19c7d"`
[INFO] running `"docker" "rm" "-f" "4420fffd6e5574b130a4bd75224bd3d7b84be94d926ec95c9ca9ecd16ce19c7d"`
[INFO] [stdout] 4420fffd6e5574b130a4bd75224bd3d7b84be94d926ec95c9ca9ecd16ce19c7d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/copumpkin/rustnapshotter:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 6dd091b23db7fe2b3efd10a5be0cb6c3116d01a864b0ca4092c7cea6bc2c1c26
[INFO] running `"docker" "start" "-a" "6dd091b23db7fe2b3efd10a5be0cb6c3116d01a864b0ca4092c7cea6bc2c1c26"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustnapshotter-2b7aca99673a761f
[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" "6dd091b23db7fe2b3efd10a5be0cb6c3116d01a864b0ca4092c7cea6bc2c1c26"`
[INFO] running `"docker" "rm" "-f" "6dd091b23db7fe2b3efd10a5be0cb6c3116d01a864b0ca4092c7cea6bc2c1c26"`
[INFO] [stdout] 6dd091b23db7fe2b3efd10a5be0cb6c3116d01a864b0ca4092c7cea6bc2c1c26