[INFO] fetching crate samus 0.1.1...
[INFO] testing samus-0.1.1 against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989
[INFO] extracting crate samus 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate samus 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate samus 0.1.1
[INFO] tweaked toml for crates.io crate samus 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate samus 0.1.1 on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate samus 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d1388efee71dc4cb604b6ffde6e4965759cb5bbdcef871c520718e90a5f3e42
[INFO] running `Command { std: "docker" "start" "-a" "5d1388efee71dc4cb604b6ffde6e4965759cb5bbdcef871c520718e90a5f3e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d1388efee71dc4cb604b6ffde6e4965759cb5bbdcef871c520718e90a5f3e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1388efee71dc4cb604b6ffde6e4965759cb5bbdcef871c520718e90a5f3e42", kill_on_drop: false }`
[INFO] [stdout] 5d1388efee71dc4cb604b6ffde6e4965759cb5bbdcef871c520718e90a5f3e42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89a2b0548b15aafd3c72b1ddacc14f168cf090a42016ffd55c326250a39b760e
[INFO] running `Command { std: "docker" "start" "-a" "89a2b0548b15aafd3c72b1ddacc14f168cf090a42016ffd55c326250a39b760e", kill_on_drop: false }`
[INFO] [stderr]    Compiling samus v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut buf_reader = BufReader::new(stream); // TODO: Making this immutabe breaks the tests
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "89a2b0548b15aafd3c72b1ddacc14f168cf090a42016ffd55c326250a39b760e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89a2b0548b15aafd3c72b1ddacc14f168cf090a42016ffd55c326250a39b760e", kill_on_drop: false }`
[INFO] [stdout] 89a2b0548b15aafd3c72b1ddacc14f168cf090a42016ffd55c326250a39b760e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3aa633997ada12869bc969366961c94bbf01f9812f91537bd2fbdee22fcf2db
[INFO] running `Command { std: "docker" "start" "-a" "d3aa633997ada12869bc969366961c94bbf01f9812f91537bd2fbdee22fcf2db", kill_on_drop: false }`
[INFO] [stderr]    Compiling samus v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut buf_reader = BufReader::new(stream); // TODO: Making this immutabe breaks the tests
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut buf_reader = BufReader::new(stream); // TODO: Making this immutabe breaks the tests
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "d3aa633997ada12869bc969366961c94bbf01f9812f91537bd2fbdee22fcf2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3aa633997ada12869bc969366961c94bbf01f9812f91537bd2fbdee22fcf2db", kill_on_drop: false }`
[INFO] [stdout] d3aa633997ada12869bc969366961c94bbf01f9812f91537bd2fbdee22fcf2db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dfc7728a9e993bfe13b8b8c0f9697b6b7e8f45e77dedb49dbf41a29967f91fde
[INFO] running `Command { std: "docker" "start" "-a" "dfc7728a9e993bfe13b8b8c0f9697b6b7e8f45e77dedb49dbf41a29967f91fde", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/server.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let mut buf_reader = BufReader::new(stream); // TODO: Making this immutabe breaks the tests
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `samus` (lib) generated 1 warning (run `cargo fix --lib -p samus` to apply 1 suggestion)
[INFO] [stderr] warning: `samus` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/samus-d5713e0521c7421f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test store::tests::test_get_and_set ... ok
[INFO] [stdout] test store::tests::test_delete ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/samus-b541dc61dc5db9a8)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/server_test.rs (/opt/rustwide/target/debug/deps/server_test-4464e7b13343f9db)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test integration_test_server ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests samus
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dfc7728a9e993bfe13b8b8c0f9697b6b7e8f45e77dedb49dbf41a29967f91fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc7728a9e993bfe13b8b8c0f9697b6b7e8f45e77dedb49dbf41a29967f91fde", kill_on_drop: false }`
[INFO] [stdout] dfc7728a9e993bfe13b8b8c0f9697b6b7e8f45e77dedb49dbf41a29967f91fde