[INFO] updating cached repository futurepaul/hello_server_learning [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/futurepaul/hello_server_learning [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/futurepaul/hello_server_learning" "work/ex/beta-1.37-6/sources/1.36.0/gh/futurepaul/hello_server_learning"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/futurepaul/hello_server_learning'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/futurepaul/hello_server_learning" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/futurepaul/hello_server_learning"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/futurepaul/hello_server_learning'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3714d0df30151b316407ea53983ac81fe963099d [INFO] sha for GitHub repo futurepaul/hello_server_learning: 3714d0df30151b316407ea53983ac81fe963099d [INFO] validating manifest of futurepaul/hello_server_learning on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of futurepaul/hello_server_learning on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing futurepaul/hello_server_learning [INFO] finished frobbing futurepaul/hello_server_learning [INFO] frobbed toml for futurepaul/hello_server_learning written to work/ex/beta-1.37-6/sources/1.36.0/gh/futurepaul/hello_server_learning/Cargo.toml [INFO] started frobbing futurepaul/hello_server_learning [INFO] finished frobbing futurepaul/hello_server_learning [INFO] frobbed toml for futurepaul/hello_server_learning written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/futurepaul/hello_server_learning/Cargo.toml [INFO] crate futurepaul/hello_server_learning already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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 futurepaul/hello_server_learning against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/futurepaul/hello_server_learning:/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-2019-07-23" "build" "--frozen"` [INFO] [stdout] 8bd52cde7344e66641e8fa5382340c144067f0d133b9d24d0acb83d61362da62 [INFO] running `"docker" "start" "-a" "8bd52cde7344e66641e8fa5382340c144067f0d133b9d24d0acb83d61362da62"` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling backtrace v0.3.9 [INFO] [stderr] Compiling failure v0.1.3 [INFO] [stderr] Compiling hello v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `Error`, `Fail` [INFO] [stderr] --> src/lib.rs:7:15 [INFO] [stderr] | [INFO] [stderr] 7 | use failure::{Error, Fail}; [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/lib.rs:24:16 [INFO] [stderr] | [INFO] [stderr] 24 | type Job = Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `workers` [INFO] [stderr] --> src/lib.rs:10:3 [INFO] [stderr] | [INFO] [stderr] 10 | workers: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `id` [INFO] [stderr] --> src/lib.rs:59:3 [INFO] [stderr] | [INFO] [stderr] 59 | id: usize, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `thread` [INFO] [stderr] --> src/lib.rs:60:3 [INFO] [stderr] | [INFO] [stderr] 60 | thread: thread::JoinHandle<()>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `how_much_we_read` [INFO] [stderr] --> src/main.rs:28:7 [INFO] [stderr] | [INFO] [stderr] 28 | let how_much_we_read = stream.read(&mut buffer).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_how_much_we_read` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `how_much_written` [INFO] [stderr] --> src/main.rs:59:7 [INFO] [stderr] | [INFO] [stderr] 59 | let how_much_written = stream.write(response.as_slice()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_how_much_written` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.11s [INFO] running `"docker" "inspect" "8bd52cde7344e66641e8fa5382340c144067f0d133b9d24d0acb83d61362da62"` [INFO] running `"docker" "rm" "-f" "8bd52cde7344e66641e8fa5382340c144067f0d133b9d24d0acb83d61362da62"` [INFO] [stdout] 8bd52cde7344e66641e8fa5382340c144067f0d133b9d24d0acb83d61362da62 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/futurepaul/hello_server_learning:/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-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 7b49cc1200e0346ca49d80ec97743317fbfcc31825ec2c66be6f8591fa99220a [INFO] running `"docker" "start" "-a" "7b49cc1200e0346ca49d80ec97743317fbfcc31825ec2c66be6f8591fa99220a"` [INFO] [stderr] Compiling hello v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `Error`, `Fail` [INFO] [stderr] --> src/lib.rs:7:15 [INFO] [stderr] | [INFO] [stderr] 7 | use failure::{Error, Fail}; [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/lib.rs:24:16 [INFO] [stderr] | [INFO] [stderr] 24 | type Job = Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `workers` [INFO] [stderr] --> src/lib.rs:10:3 [INFO] [stderr] | [INFO] [stderr] 10 | workers: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `id` [INFO] [stderr] --> src/lib.rs:59:3 [INFO] [stderr] | [INFO] [stderr] 59 | id: usize, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `thread` [INFO] [stderr] --> src/lib.rs:60:3 [INFO] [stderr] | [INFO] [stderr] 60 | thread: thread::JoinHandle<()>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `how_much_we_read` [INFO] [stderr] --> src/main.rs:28:7 [INFO] [stderr] | [INFO] [stderr] 28 | let how_much_we_read = stream.read(&mut buffer).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_how_much_we_read` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `how_much_written` [INFO] [stderr] --> src/main.rs:59:7 [INFO] [stderr] | [INFO] [stderr] 59 | let how_much_written = stream.write(response.as_slice()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_how_much_written` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.22s [INFO] running `"docker" "inspect" "7b49cc1200e0346ca49d80ec97743317fbfcc31825ec2c66be6f8591fa99220a"` [INFO] running `"docker" "rm" "-f" "7b49cc1200e0346ca49d80ec97743317fbfcc31825ec2c66be6f8591fa99220a"` [INFO] [stdout] 7b49cc1200e0346ca49d80ec97743317fbfcc31825ec2c66be6f8591fa99220a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/futurepaul/hello_server_learning:/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-2019-07-23" "test" "--frozen"` [INFO] [stdout] 7dddc6bebf08ab5e0f2e6456a2a13483662661cc1442506eccb6ee39d87119ec [INFO] running `"docker" "start" "-a" "7dddc6bebf08ab5e0f2e6456a2a13483662661cc1442506eccb6ee39d87119ec"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/crater/target/debug/deps/hello-25d9dc1bc5942af0 [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] Running /opt/crater/target/debug/deps/hello-d9911e782a8fda65 [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 hello [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" "7dddc6bebf08ab5e0f2e6456a2a13483662661cc1442506eccb6ee39d87119ec"` [INFO] running `"docker" "rm" "-f" "7dddc6bebf08ab5e0f2e6456a2a13483662661cc1442506eccb6ee39d87119ec"` [INFO] [stdout] 7dddc6bebf08ab5e0f2e6456a2a13483662661cc1442506eccb6ee39d87119ec