[INFO] crate mould 0.0.22 is already in cache
[INFO] extracting crate mould 0.0.22 into work/ex/beta-1.38-1/sources/1.37.0/reg/mould/0.0.22
[INFO] extracting crate mould 0.0.22 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mould/0.0.22
[INFO] validating manifest of mould-0.0.22 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 mould-0.0.22 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 mould-0.0.22
[INFO] finished frobbing mould-0.0.22
[INFO] frobbed toml for mould-0.0.22 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mould/0.0.22/Cargo.toml
[INFO] started frobbing mould-0.0.22
[INFO] finished frobbing mould-0.0.22
[INFO] frobbed toml for mould-0.0.22 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mould/0.0.22/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] testing mould-0.0.22 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mould/0.0.22:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e45d02bc307e4d3ed9b2867e3fe66f86aae5d9ce7d98d9fae5cc1ab59f3903ce
[INFO] running `"docker" "start" "-a" "e45d02bc307e4d3ed9b2867e3fe66f86aae5d9ce7d98d9fae5cc1ab59f3903ce"`
[INFO] [stderr]    Compiling websocket v0.19.2
[INFO] [stderr]    Compiling mould v0.0.22 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/service.rs:11:47
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn route(&self, request: &Request) -> Box<Worker<T>>;
[INFO] [stderr]    |                                               ^^^^^^^^^ help: use `dyn`: `dyn Worker<T>`
[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/worker.rs:43:44
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub type Result<T> = result::Result<T, Box<error::Error>>;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/session.rs:61:32
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/session.rs:166:22
[INFO] [stderr]     |
[INFO] [stderr] 166 |     WorkerFailed(Box<error::Error>),
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/session.rs:194:32
[INFO] [stderr]     |
[INFO] [stderr] 194 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/session.rs:215:15
[INFO] [stderr]     |
[INFO] [stderr] 215 | impl From<Box<error::Error>> for Error {
[INFO] [stderr]     |               ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/session.rs:216:24
[INFO] [stderr]     |
[INFO] [stderr] 216 |     fn from(error: Box<error::Error>) -> Self {
[INFO] [stderr]     |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:13:35
[INFO] [stderr]    |
[INFO] [stderr] 13 |     services: HashMap<String, Box<Service<T>>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^ help: use `dyn`: `dyn Service<T>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `"docker" "inspect" "e45d02bc307e4d3ed9b2867e3fe66f86aae5d9ce7d98d9fae5cc1ab59f3903ce"`
[INFO] running `"docker" "rm" "-f" "e45d02bc307e4d3ed9b2867e3fe66f86aae5d9ce7d98d9fae5cc1ab59f3903ce"`
[INFO] [stdout] e45d02bc307e4d3ed9b2867e3fe66f86aae5d9ce7d98d9fae5cc1ab59f3903ce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mould/0.0.22:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6f3a4015aa1cda09dc30fc58e75add77a6c31023203634db6a4ef2f126ebd327
[INFO] running `"docker" "start" "-a" "6f3a4015aa1cda09dc30fc58e75add77a6c31023203634db6a4ef2f126ebd327"`
[INFO] [stderr]    Compiling mould v0.0.22 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/service.rs:11:47
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn route(&self, request: &Request) -> Box<Worker<T>>;
[INFO] [stderr]    |                                               ^^^^^^^^^ help: use `dyn`: `dyn Worker<T>`
[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/worker.rs:43:44
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub type Result<T> = result::Result<T, Box<error::Error>>;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/session.rs:61:32
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/session.rs:166:22
[INFO] [stderr]     |
[INFO] [stderr] 166 |     WorkerFailed(Box<error::Error>),
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/session.rs:194:32
[INFO] [stderr]     |
[INFO] [stderr] 194 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/session.rs:215:15
[INFO] [stderr]     |
[INFO] [stderr] 215 | impl From<Box<error::Error>> for Error {
[INFO] [stderr]     |               ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/session.rs:216:24
[INFO] [stderr]     |
[INFO] [stderr] 216 |     fn from(error: Box<error::Error>) -> Self {
[INFO] [stderr]     |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:13:35
[INFO] [stderr]    |
[INFO] [stderr] 13 |     services: HashMap<String, Box<Service<T>>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^ help: use `dyn`: `dyn Service<T>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "6f3a4015aa1cda09dc30fc58e75add77a6c31023203634db6a4ef2f126ebd327"`
[INFO] running `"docker" "rm" "-f" "6f3a4015aa1cda09dc30fc58e75add77a6c31023203634db6a4ef2f126ebd327"`
[INFO] [stdout] 6f3a4015aa1cda09dc30fc58e75add77a6c31023203634db6a4ef2f126ebd327
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mould/0.0.22:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e9332564c4d73a89bf7aaeac45543b9c172d59dc02bb4983f8c5167a3ac26bcb
[INFO] running `"docker" "start" "-a" "e9332564c4d73a89bf7aaeac45543b9c172d59dc02bb4983f8c5167a3ac26bcb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mould-2ab1a6aa47a9b950
[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] [stderr]    Doc-tests mould
[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" "e9332564c4d73a89bf7aaeac45543b9c172d59dc02bb4983f8c5167a3ac26bcb"`
[INFO] running `"docker" "rm" "-f" "e9332564c4d73a89bf7aaeac45543b9c172d59dc02bb4983f8c5167a3ac26bcb"`
[INFO] [stdout] e9332564c4d73a89bf7aaeac45543b9c172d59dc02bb4983f8c5167a3ac26bcb