[INFO] updating cached repository RafaelBM91/rust-crud
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RafaelBM91/rust-crud
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RafaelBM91/rust-crud" "work/ex/beta-1.38-1/sources/1.37.0/gh/RafaelBM91/rust-crud"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/RafaelBM91/rust-crud'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RafaelBM91/rust-crud" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RafaelBM91/rust-crud"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RafaelBM91/rust-crud'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 373716fc3fcd5c5e206099aa46bd3f0f1f2ca69b
[INFO] sha for GitHub repo RafaelBM91/rust-crud: 373716fc3fcd5c5e206099aa46bd3f0f1f2ca69b
[INFO] validating manifest of RafaelBM91/rust-crud 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 RafaelBM91/rust-crud 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 RafaelBM91/rust-crud
[INFO] finished frobbing RafaelBM91/rust-crud
[INFO] frobbed toml for RafaelBM91/rust-crud written to work/ex/beta-1.38-1/sources/1.37.0/gh/RafaelBM91/rust-crud/Cargo.toml
[INFO] started frobbing RafaelBM91/rust-crud
[INFO] finished frobbing RafaelBM91/rust-crud
[INFO] frobbed toml for RafaelBM91/rust-crud written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RafaelBM91/rust-crud/Cargo.toml
[INFO] crate RafaelBM91/rust-crud 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing RafaelBM91/rust-crud 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-2/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/RafaelBM91/rust-crud:/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] e78f8c7a5a14fece0024538b9a0f0adf9142928a66f4af195661919a6e8880d2
[INFO] running `"docker" "start" "-a" "e78f8c7a5a14fece0024538b9a0f0adf9142928a66f4af195661919a6e8880d2"`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling scan_fmt v0.1.3
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling pbkdf2 v0.2.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]    Compiling bson v0.13.0
[INFO] [stderr]    Compiling iron v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling persistent v0.4.0
[INFO] [stderr]    Compiling mount v0.4.0
[INFO] [stderr]    Compiling logger v0.4.0
[INFO] [stderr]    Compiling bodyparser v0.8.0
[INFO] [stderr]    Compiling urlencoded v0.6.0
[INFO] [stderr]    Compiling juniper_codegen v0.11.1
[INFO] [stderr]    Compiling textnonce v0.6.5
[INFO] [stderr]    Compiling juniper v0.11.1
[INFO] [stderr]    Compiling mongodb v0.3.12
[INFO] [stderr]    Compiling juniper_iron v0.3.0
[INFO] [stderr]    Compiling rust-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/server.rs:16:20
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn context_factory(req: &mut Request) -> IronResult<()> {
[INFO] [stderr]    |                    ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert_doc_operation`
[INFO] [stderr]   --> src/mongo.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn insert_doc_operation (mut document: OrderedDocument) -> Option<Bson> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 49s
[INFO] running `"docker" "inspect" "e78f8c7a5a14fece0024538b9a0f0adf9142928a66f4af195661919a6e8880d2"`
[INFO] running `"docker" "rm" "-f" "e78f8c7a5a14fece0024538b9a0f0adf9142928a66f4af195661919a6e8880d2"`
[INFO] [stdout] e78f8c7a5a14fece0024538b9a0f0adf9142928a66f4af195661919a6e8880d2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/RafaelBM91/rust-crud:/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] d70d374688236f2d1c01d836527901cfe7198bda070693bd27d091e7741eb415
[INFO] running `"docker" "start" "-a" "d70d374688236f2d1c01d836527901cfe7198bda070693bd27d091e7741eb415"`
[INFO] [stderr]    Compiling rust-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/server.rs:16:20
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn context_factory(req: &mut Request) -> IronResult<()> {
[INFO] [stderr]    |                    ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert_doc_operation`
[INFO] [stderr]   --> src/mongo.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn insert_doc_operation (mut document: OrderedDocument) -> Option<Bson> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `"docker" "inspect" "d70d374688236f2d1c01d836527901cfe7198bda070693bd27d091e7741eb415"`
[INFO] running `"docker" "rm" "-f" "d70d374688236f2d1c01d836527901cfe7198bda070693bd27d091e7741eb415"`
[INFO] [stdout] d70d374688236f2d1c01d836527901cfe7198bda070693bd27d091e7741eb415
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/RafaelBM91/rust-crud:/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] 50b710a85d5d83f05094aa0f6f223a954559c2481774a1f57204ed71e1fb1a62
[INFO] running `"docker" "start" "-a" "50b710a85d5d83f05094aa0f6f223a954559c2481774a1f57204ed71e1fb1a62"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_test-0579cd0c31e5e3f2
[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" "50b710a85d5d83f05094aa0f6f223a954559c2481774a1f57204ed71e1fb1a62"`
[INFO] running `"docker" "rm" "-f" "50b710a85d5d83f05094aa0f6f223a954559c2481774a1f57204ed71e1fb1a62"`
[INFO] [stdout] 50b710a85d5d83f05094aa0f6f223a954559c2481774a1f57204ed71e1fb1a62