[INFO] updating cached repository mthomasuk/basic-rust-http-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mthomasuk/basic-rust-http-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mthomasuk/basic-rust-http-server" "work/ex/beta-1.38-1/sources/1.37.0/gh/mthomasuk/basic-rust-http-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mthomasuk/basic-rust-http-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mthomasuk/basic-rust-http-server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mthomasuk/basic-rust-http-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mthomasuk/basic-rust-http-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d1a4acb4779d023e4febd2bba0d8666de17742ea
[INFO] sha for GitHub repo mthomasuk/basic-rust-http-server: d1a4acb4779d023e4febd2bba0d8666de17742ea
[INFO] validating manifest of mthomasuk/basic-rust-http-server 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 mthomasuk/basic-rust-http-server 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 mthomasuk/basic-rust-http-server
[INFO] finished frobbing mthomasuk/basic-rust-http-server
[INFO] frobbed toml for mthomasuk/basic-rust-http-server written to work/ex/beta-1.38-1/sources/1.37.0/gh/mthomasuk/basic-rust-http-server/Cargo.toml
[INFO] started frobbing mthomasuk/basic-rust-http-server
[INFO] finished frobbing mthomasuk/basic-rust-http-server
[INFO] frobbed toml for mthomasuk/basic-rust-http-server written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mthomasuk/basic-rust-http-server/Cargo.toml
[INFO] crate mthomasuk/basic-rust-http-server 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] testing mthomasuk/basic-rust-http-server 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-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mthomasuk/basic-rust-http-server:/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] 6705c10308f482b21ce275363ba538e9759f5b2c4fe825a92488a9051cf5ee76
[INFO] running `"docker" "start" "-a" "6705c10308f482b21ce275363ba538e9759f5b2c4fe825a92488a9051cf5ee76"`
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]    Compiling postgres-protocol v0.3.2
[INFO] [stderr]    Compiling postgres-shared v0.4.2
[INFO] [stderr]    Compiling postgres v0.15.2
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling serde_json v1.0.37
[INFO] [stderr]    Compiling web-serve v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/threading/mod.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: variable does not need to be mutable
[INFO] [stderr]    --> src/request/mod.rs:146:17
[INFO] [stderr]     |
[INFO] [stderr] 146 |             let mut mapped_json = json.join(",");
[INFO] [stderr]     |                 ----^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.82s
[INFO] running `"docker" "inspect" "6705c10308f482b21ce275363ba538e9759f5b2c4fe825a92488a9051cf5ee76"`
[INFO] running `"docker" "rm" "-f" "6705c10308f482b21ce275363ba538e9759f5b2c4fe825a92488a9051cf5ee76"`
[INFO] [stdout] 6705c10308f482b21ce275363ba538e9759f5b2c4fe825a92488a9051cf5ee76
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mthomasuk/basic-rust-http-server:/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] 194a3be821499f945489fb0a44b1ef87c65ff59578bf0c02e3aa2d5956b981ea
[INFO] running `"docker" "start" "-a" "194a3be821499f945489fb0a44b1ef87c65ff59578bf0c02e3aa2d5956b981ea"`
[INFO] [stderr]    Compiling web-serve v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/threading/mod.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: variable does not need to be mutable
[INFO] [stderr]    --> src/request/mod.rs:146:17
[INFO] [stderr]     |
[INFO] [stderr] 146 |             let mut mapped_json = json.join(",");
[INFO] [stderr]     |                 ----^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `"docker" "inspect" "194a3be821499f945489fb0a44b1ef87c65ff59578bf0c02e3aa2d5956b981ea"`
[INFO] running `"docker" "rm" "-f" "194a3be821499f945489fb0a44b1ef87c65ff59578bf0c02e3aa2d5956b981ea"`
[INFO] [stdout] 194a3be821499f945489fb0a44b1ef87c65ff59578bf0c02e3aa2d5956b981ea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mthomasuk/basic-rust-http-server:/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] 79cb22c855fb22d4647251edf454519f14727c10c623d8fdbe8e6b8d7922c145
[INFO] running `"docker" "start" "-a" "79cb22c855fb22d4647251edf454519f14727c10c623d8fdbe8e6b8d7922c145"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/web_serve-ee45cbe702fad32b
[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" "79cb22c855fb22d4647251edf454519f14727c10c623d8fdbe8e6b8d7922c145"`
[INFO] running `"docker" "rm" "-f" "79cb22c855fb22d4647251edf454519f14727c10c623d8fdbe8e6b8d7922c145"`
[INFO] [stdout] 79cb22c855fb22d4647251edf454519f14727c10c623d8fdbe8e6b8d7922c145