[INFO] updating cached repository TheAdnan/Nickel-test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TheAdnan/Nickel-test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TheAdnan/Nickel-test" "work/ex/beta-1.38-1/sources/1.37.0/gh/TheAdnan/Nickel-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/TheAdnan/Nickel-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TheAdnan/Nickel-test" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TheAdnan/Nickel-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TheAdnan/Nickel-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a17c2d97bec951ab7fdc2dfa0a44b0f855f1ed5
[INFO] sha for GitHub repo TheAdnan/Nickel-test: 3a17c2d97bec951ab7fdc2dfa0a44b0f855f1ed5
[INFO] validating manifest of TheAdnan/Nickel-test 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 TheAdnan/Nickel-test 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 TheAdnan/Nickel-test
[INFO] finished frobbing TheAdnan/Nickel-test
[INFO] frobbed toml for TheAdnan/Nickel-test written to work/ex/beta-1.38-1/sources/1.37.0/gh/TheAdnan/Nickel-test/Cargo.toml
[INFO] started frobbing TheAdnan/Nickel-test
[INFO] finished frobbing TheAdnan/Nickel-test
[INFO] frobbed toml for TheAdnan/Nickel-test written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TheAdnan/Nickel-test/Cargo.toml
[INFO] crate TheAdnan/Nickel-test 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] testing TheAdnan/Nickel-test 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/gh/TheAdnan/Nickel-test:/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] 5946f988e026d8ef2054aacf2d5f8469bd42f3b051102f483d4e865a6ddaa8e0
[INFO] running `"docker" "start" "-a" "5946f988e026d8ef2054aacf2d5f8469bd42f3b051102f483d4e865a6ddaa8e0"`
[INFO] [stderr]    Compiling groupable v0.2.0
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling serde_json v1.0.19
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling mustache v0.8.2
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling scan_fmt v0.1.3
[INFO] [stderr]    Compiling nickel v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]    Compiling bson v0.10.0
[INFO] [stderr]    Compiling textnonce v0.6.3
[INFO] [stderr]    Compiling mongodb v0.3.7
[INFO] [stderr]    Compiling rust-web v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `MediaType`, `MiddlewareResult`, `Request`, `Response`
[INFO] [stderr]  --> src/main.rs:9:44
[INFO] [stderr]   |
[INFO] [stderr] 9 | use nickel::{Nickel, HttpRouter, JsonBody, Response, Request, MediaType, MiddlewareResult};
[INFO] [stderr]   |                                            ^^^^^^^^  ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mongodb::error::Result as MongoResult`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use mongodb::error::Result as MongoResult;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Bson`, `Document`
[INFO] [stderr]   --> src/main.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | use bson::{Bson, Document};
[INFO] [stderr]    |            ^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bson::oid::ObjectId`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use bson::oid::ObjectId;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Json`, `ToJson`
[INFO] [stderr]   --> src/main.rs:23:29
[INFO] [stderr]    |
[INFO] [stderr] 23 | use rustc_serialize::json::{Json, ToJson};
[INFO] [stderr]    |                             ^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/main.rs:37:40
[INFO] [stderr]    |
[INFO] [stderr] 37 |     router.get("/home", middleware! { |request, response|
[INFO] [stderr]    |                                        ^^^^^^^ help: consider prefixing with an underscore: `_request`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/main.rs:41:41
[INFO] [stderr]    |
[INFO] [stderr] 41 |     router.get("/users", middleware! { |request, response|
[INFO] [stderr]    |                                         ^^^^^^^ help: consider prefixing with an underscore: `_request`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     server.listen("127.0.0.1:1992");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `"docker" "inspect" "5946f988e026d8ef2054aacf2d5f8469bd42f3b051102f483d4e865a6ddaa8e0"`
[INFO] running `"docker" "rm" "-f" "5946f988e026d8ef2054aacf2d5f8469bd42f3b051102f483d4e865a6ddaa8e0"`
[INFO] [stdout] 5946f988e026d8ef2054aacf2d5f8469bd42f3b051102f483d4e865a6ddaa8e0
[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/gh/TheAdnan/Nickel-test:/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] 019d951300930d56dcd0e458a2e503c5f6b08b5f86d94cfea05a31cb0b4df80f
[INFO] running `"docker" "start" "-a" "019d951300930d56dcd0e458a2e503c5f6b08b5f86d94cfea05a31cb0b4df80f"`
[INFO] [stderr]    Compiling rust-web v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `MediaType`, `MiddlewareResult`, `Request`, `Response`
[INFO] [stderr]  --> src/main.rs:9:44
[INFO] [stderr]   |
[INFO] [stderr] 9 | use nickel::{Nickel, HttpRouter, JsonBody, Response, Request, MediaType, MiddlewareResult};
[INFO] [stderr]   |                                            ^^^^^^^^  ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mongodb::error::Result as MongoResult`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use mongodb::error::Result as MongoResult;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Bson`, `Document`
[INFO] [stderr]   --> src/main.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | use bson::{Bson, Document};
[INFO] [stderr]    |            ^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bson::oid::ObjectId`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use bson::oid::ObjectId;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Json`, `ToJson`
[INFO] [stderr]   --> src/main.rs:23:29
[INFO] [stderr]    |
[INFO] [stderr] 23 | use rustc_serialize::json::{Json, ToJson};
[INFO] [stderr]    |                             ^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/main.rs:37:40
[INFO] [stderr]    |
[INFO] [stderr] 37 |     router.get("/home", middleware! { |request, response|
[INFO] [stderr]    |                                        ^^^^^^^ help: consider prefixing with an underscore: `_request`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/main.rs:41:41
[INFO] [stderr]    |
[INFO] [stderr] 41 |     router.get("/users", middleware! { |request, response|
[INFO] [stderr]    |                                         ^^^^^^^ help: consider prefixing with an underscore: `_request`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     server.listen("127.0.0.1:1992");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "019d951300930d56dcd0e458a2e503c5f6b08b5f86d94cfea05a31cb0b4df80f"`
[INFO] running `"docker" "rm" "-f" "019d951300930d56dcd0e458a2e503c5f6b08b5f86d94cfea05a31cb0b4df80f"`
[INFO] [stdout] 019d951300930d56dcd0e458a2e503c5f6b08b5f86d94cfea05a31cb0b4df80f
[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/gh/TheAdnan/Nickel-test:/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] 0cfc38ca9a52c66d33de7e5326078ace58daebe23c844dcf2df69df18ada6e7a
[INFO] running `"docker" "start" "-a" "0cfc38ca9a52c66d33de7e5326078ace58daebe23c844dcf2df69df18ada6e7a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_web-167c7a8c94429f4d
[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" "0cfc38ca9a52c66d33de7e5326078ace58daebe23c844dcf2df69df18ada6e7a"`
[INFO] running `"docker" "rm" "-f" "0cfc38ca9a52c66d33de7e5326078ace58daebe23c844dcf2df69df18ada6e7a"`
[INFO] [stdout] 0cfc38ca9a52c66d33de7e5326078ace58daebe23c844dcf2df69df18ada6e7a