[INFO] updating cached repository https://github.com/rustudio/rustudy
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 386872d366921caf639b77fd2186708d815d4ff5
[INFO] testing rustudio/rustudy against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustudio%2Frustudy" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rustudio/rustudy on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rustudio/rustudy
[INFO] finished tweaking git repo https://github.com/rustudio/rustudy
[INFO] tweaked toml for git repo https://github.com/rustudio/rustudy written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/rustudio/rustudy already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] aa1c9c9b8f2f057671cabde3c7115032b96c65bc2e6d38007cc576a1fe339f4d
[INFO] running `"docker" "start" "-a" "aa1c9c9b8f2f057671cabde3c7115032b96c65bc2e6d38007cc576a1fe339f4d"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling dotenv v0.9.0
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]    Compiling diesel v1.4.2
[INFO] [stderr]    Compiling rustudy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `self::hyper::Request`
[INFO] [stderr]  --> src/rest/hyper.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use self::hyper::Request;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::hyper::Method`
[INFO] [stderr]  --> src/rest/hyper.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use self::hyper::Method;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::hyper::header::HeaderValue`
[INFO] [stderr]  --> src/rest/hyper.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use self::hyper::header::HeaderValue;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]   --> src/main.rs:13:15
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::io::{self, Write};
[INFO] [stderr]    |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Client`, `Method`, `Request`
[INFO] [stderr]   --> src/main.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | use hyper::{Client, Method, Request};
[INFO] [stderr]    |             ^^^^^^  ^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Future`, `Stream`
[INFO] [stderr]   --> src/main.rs:15:23
[INFO] [stderr]    |
[INFO] [stderr] 15 | use hyper::rt::{self, Future, Stream};
[INFO] [stderr]    |                       ^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]   --> src/main.rs:13:21
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::io::{self, Write};
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `"docker" "inspect" "aa1c9c9b8f2f057671cabde3c7115032b96c65bc2e6d38007cc576a1fe339f4d"`
[INFO] running `"docker" "rm" "-f" "aa1c9c9b8f2f057671cabde3c7115032b96c65bc2e6d38007cc576a1fe339f4d"`
[INFO] [stdout] aa1c9c9b8f2f057671cabde3c7115032b96c65bc2e6d38007cc576a1fe339f4d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c063610da04a9b9c7e58b358ebab88c0dd204b01ca29aaffe17d888fa68db4ff
[INFO] running `"docker" "start" "-a" "c063610da04a9b9c7e58b358ebab88c0dd204b01ca29aaffe17d888fa68db4ff"`
[INFO] [stderr]    Compiling rustudy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `self::hyper::Request`
[INFO] [stderr]  --> src/rest/hyper.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use self::hyper::Request;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::hyper::Method`
[INFO] [stderr]  --> src/rest/hyper.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use self::hyper::Method;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::hyper::header::HeaderValue`
[INFO] [stderr]  --> src/rest/hyper.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use self::hyper::header::HeaderValue;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]   --> src/main.rs:13:15
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::io::{self, Write};
[INFO] [stderr]    |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Client`, `Method`, `Request`
[INFO] [stderr]   --> src/main.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | use hyper::{Client, Method, Request};
[INFO] [stderr]    |             ^^^^^^  ^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Future`, `Stream`
[INFO] [stderr]   --> src/main.rs:15:23
[INFO] [stderr]    |
[INFO] [stderr] 15 | use hyper::rt::{self, Future, Stream};
[INFO] [stderr]    |                       ^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]   --> src/main.rs:13:21
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::io::{self, Write};
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "c063610da04a9b9c7e58b358ebab88c0dd204b01ca29aaffe17d888fa68db4ff"`
[INFO] running `"docker" "rm" "-f" "c063610da04a9b9c7e58b358ebab88c0dd204b01ca29aaffe17d888fa68db4ff"`
[INFO] [stdout] c063610da04a9b9c7e58b358ebab88c0dd204b01ca29aaffe17d888fa68db4ff
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] d494c478ff413a8ef46c8930bdc8fa26d9cab093103db6244ad6589472dd8246
[INFO] running `"docker" "start" "-a" "d494c478ff413a8ef46c8930bdc8fa26d9cab093103db6244ad6589472dd8246"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustudy-ff16b039dfe70b24
[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" "d494c478ff413a8ef46c8930bdc8fa26d9cab093103db6244ad6589472dd8246"`
[INFO] running `"docker" "rm" "-f" "d494c478ff413a8ef46c8930bdc8fa26d9cab093103db6244ad6589472dd8246"`
[INFO] [stdout] d494c478ff413a8ef46c8930bdc8fa26d9cab093103db6244ad6589472dd8246