[INFO] cloning repository futurepaul/hello_server_learning
[INFO] running `"git" "clone" "--bare" "git://github.com/futurepaul/hello_server_learning.git" "work/cache/sources/gh/futurepaul/hello_server_learning"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/futurepaul/hello_server_learning'...
[INFO] running `"git" "clone" "work/cache/sources/gh/futurepaul/hello_server_learning" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/futurepaul/hello_server_learning"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/futurepaul/hello_server_learning'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/futurepaul/hello_server_learning" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/futurepaul/hello_server_learning"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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 master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of futurepaul/hello_server_learning on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing futurepaul/hello_server_learning against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] fe7db44974fc93f980cdaea96a8c3f5549f1d5e8c045eb5a2185922d8598a9ea
[INFO] running `"docker" "start" "-a" "fe7db44974fc93f980cdaea96a8c3f5549f1d5e8c045eb5a2185922d8598a9ea"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.3
[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<FnBox + Send + 'static>;
[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<Worker>,
[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 21.62s
[INFO] running `"docker" "inspect" "fe7db44974fc93f980cdaea96a8c3f5549f1d5e8c045eb5a2185922d8598a9ea"`
[INFO] running `"docker" "rm" "-f" "fe7db44974fc93f980cdaea96a8c3f5549f1d5e8c045eb5a2185922d8598a9ea"`
[INFO] [stdout] fe7db44974fc93f980cdaea96a8c3f5549f1d5e8c045eb5a2185922d8598a9ea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] f1359009f34a41f9b34bb8f8303a884b63abca263a0b7f8f003d874d1841a097
[INFO] running `"docker" "start" "-a" "f1359009f34a41f9b34bb8f8303a884b63abca263a0b7f8f003d874d1841a097"`
[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<FnBox + Send + 'static>;
[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<Worker>,
[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 1.25s
[INFO] running `"docker" "inspect" "f1359009f34a41f9b34bb8f8303a884b63abca263a0b7f8f003d874d1841a097"`
[INFO] running `"docker" "rm" "-f" "f1359009f34a41f9b34bb8f8303a884b63abca263a0b7f8f003d874d1841a097"`
[INFO] [stdout] f1359009f34a41f9b34bb8f8303a884b63abca263a0b7f8f003d874d1841a097
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] c83ff730190089cbff3cd70144666a99210603199aa61a0fb3f5f05bb147fbf5
[INFO] running `"docker" "start" "-a" "c83ff730190089cbff3cd70144666a99210603199aa61a0fb3f5f05bb147fbf5"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello-3c53ebe75b7c981a
[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-40b8a20a64dd8502
[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" "c83ff730190089cbff3cd70144666a99210603199aa61a0fb3f5f05bb147fbf5"`
[INFO] running `"docker" "rm" "-f" "c83ff730190089cbff3cd70144666a99210603199aa61a0fb3f5f05bb147fbf5"`
[INFO] [stdout] c83ff730190089cbff3cd70144666a99210603199aa61a0fb3f5f05bb147fbf5