[INFO] fetching crate gandalf-kvs 1.0.0...
[INFO] testing gandalf-kvs-1.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate gandalf-kvs 1.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate gandalf-kvs 1.0.0
[INFO] finished tweaking crates.io crate gandalf-kvs 1.0.0
[INFO] tweaked toml for crates.io crate gandalf-kvs 1.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gandalf-kvs 1.0.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gandalf-kvs 1.0.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-serde v0.1.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.28
[INFO] [stderr]   Downloaded atoi v0.4.0
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[INFO] [stderr]   Downloaded tracing-subscriber v0.2.19
[INFO] [stderr]   Downloaded syn v1.0.74
[INFO] [stderr]   Downloaded serde_json v1.0.64
[INFO] [stderr]   Downloaded sharded-slab v0.1.1
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded serde v1.0.130
[INFO] [stderr]   Downloaded parking_lot v0.11.1
[INFO] [stderr]   Downloaded tracing v0.1.26
[INFO] [stderr]   Downloaded serde_derive v1.0.130
[INFO] [stderr]   Downloaded version_check v0.9.3
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[INFO] [stderr]   Downloaded matchers v0.0.1
[INFO] [stderr]   Downloaded tokio v1.9.0
[INFO] [stderr]   Downloaded libc v0.2.98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4b11c98babfa406b9b2088c07a7f6ff0a1654ddba80ea31be51cf00e16860dc
[INFO] running `Command { std: "docker" "start" "-a" "f4b11c98babfa406b9b2088c07a7f6ff0a1654ddba80ea31be51cf00e16860dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4b11c98babfa406b9b2088c07a7f6ff0a1654ddba80ea31be51cf00e16860dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b11c98babfa406b9b2088c07a7f6ff0a1654ddba80ea31be51cf00e16860dc", kill_on_drop: false }`
[INFO] [stdout] f4b11c98babfa406b9b2088c07a7f6ff0a1654ddba80ea31be51cf00e16860dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb486812c24ffaed63fa3e0ba4ae7fa3080b5ed8fe61cf8aeb62037fcd8efeab
[INFO] running `Command { std: "docker" "start" "-a" "cb486812c24ffaed63fa3e0ba4ae7fa3080b5ed8fe61cf8aeb62037fcd8efeab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling atoi v0.4.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling async-recursion v0.2.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling structopt v0.3.22
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling tracing-subscriber v0.2.19
[INFO] [stderr]    Compiling gandalf-kvs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/db.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Entity {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 30 |     id: Uuid,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Entity` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.75s
[INFO] running `Command { std: "docker" "inspect" "cb486812c24ffaed63fa3e0ba4ae7fa3080b5ed8fe61cf8aeb62037fcd8efeab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb486812c24ffaed63fa3e0ba4ae7fa3080b5ed8fe61cf8aeb62037fcd8efeab", kill_on_drop: false }`
[INFO] [stdout] cb486812c24ffaed63fa3e0ba4ae7fa3080b5ed8fe61cf8aeb62037fcd8efeab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62218cff6c4bcf7a14705bd079de98b0cad1714790e1edbd028468ba65e501a0
[INFO] running `Command { std: "docker" "start" "-a" "62218cff6c4bcf7a14705bd079de98b0cad1714790e1edbd028468ba65e501a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling gandalf-kvs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/db.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Entity {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 30 |     id: Uuid,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Entity` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/db.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Entity {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 30 |     id: Uuid,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Entity` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "62218cff6c4bcf7a14705bd079de98b0cad1714790e1edbd028468ba65e501a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62218cff6c4bcf7a14705bd079de98b0cad1714790e1edbd028468ba65e501a0", kill_on_drop: false }`
[INFO] [stdout] 62218cff6c4bcf7a14705bd079de98b0cad1714790e1edbd028468ba65e501a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24f1398e668f279a31bb323dfde528a637ea5201cf11ce32bc269bd60c5e68bd
[INFO] running `Command { std: "docker" "start" "-a" "24f1398e668f279a31bb323dfde528a637ea5201cf11ce32bc269bd60c5e68bd", kill_on_drop: false }`
[INFO] [stderr] warning: field `id` is never read
[INFO] [stderr]   --> src/db.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct Entity {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] 30 |     id: Uuid,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Entity` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `gandalf-kvs` (lib) generated 1 warning
[INFO] [stderr] warning: `gandalf-kvs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gandalf_kvs-b0988ad584b85d7b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/cli.rs (/opt/rustwide/target/debug/deps/gandalf_kvs-87c97c7182188bd6)
[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 unittests src/bin/server.rs (/opt/rustwide/target/debug/deps/gandalf_kvs_server-92dacb7e311010f7)
[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]    Doc-tests gandalf_kvs
[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" "24f1398e668f279a31bb323dfde528a637ea5201cf11ce32bc269bd60c5e68bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24f1398e668f279a31bb323dfde528a637ea5201cf11ce32bc269bd60c5e68bd", kill_on_drop: false }`
[INFO] [stdout] 24f1398e668f279a31bb323dfde528a637ea5201cf11ce32bc269bd60c5e68bd