[INFO] fetching crate nessie 0.1.0...
[INFO] testing nessie-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate nessie 0.1.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate nessie 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nessie 0.1.0
[INFO] finished tweaking crates.io crate nessie 0.1.0
[INFO] tweaked toml for crates.io crate nessie 0.1.0 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate crates.io crate nessie 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab28f540931631d9142e0e15e6efccc5cd8fe5e50a1462b17f810adbc495c89b
[INFO] running `Command { std: "docker" "start" "-a" "ab28f540931631d9142e0e15e6efccc5cd8fe5e50a1462b17f810adbc495c89b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab28f540931631d9142e0e15e6efccc5cd8fe5e50a1462b17f810adbc495c89b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab28f540931631d9142e0e15e6efccc5cd8fe5e50a1462b17f810adbc495c89b", kill_on_drop: false }`
[INFO] [stdout] ab28f540931631d9142e0e15e6efccc5cd8fe5e50a1462b17f810adbc495c89b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9924ae0a3f036ac951e8ab8f2cfb8f11e2918723f0144904672ecf2ffdfd7e0d
[INFO] running `Command { std: "docker" "start" "-a" "9924ae0a3f036ac951e8ab8f2cfb8f11e2918723f0144904672ecf2ffdfd7e0d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling if_chain v0.1.3
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling const-random v0.1.8
[INFO] [stderr]    Compiling ahash v0.3.5
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling dashmap v3.5.1
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling swc_atoms v0.2.2
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling swc_macros_common v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling from_variant v0.1.2
[INFO] [stderr]    Compiling enum_kind v0.2.0
[INFO] [stderr]    Compiling string_enum v0.3.0
[INFO] [stderr]    Compiling swc_ecma_visit_macros v0.4.0
[INFO] [stderr]    Compiling swc_ecma_parser_macros v0.4.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling ast_node v0.6.0
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling sourcemap v5.0.0
[INFO] [stderr]    Compiling swc_common v0.5.12
[INFO] [stderr]    Compiling swc_ecma_ast v0.20.0
[INFO] [stderr]    Compiling swc_ecma_parser v0.24.5
[INFO] [stderr]    Compiling swc_ecma_visit v0.5.1
[INFO] [stderr]    Compiling deno_lint v0.1.10
[INFO] [stderr]    Compiling nessie v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Required`
[INFO] [stdout]   --> src/diagnostic.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 |   Required,
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `DiagnosticLevel` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/diagnostic.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Clone, Debug, Serialize)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bold`
[INFO] [stdout]   --> src/colors.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn bold(s: String) -> impl fmt::Display {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `red`
[INFO] [stdout]   --> src/colors.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn red(s: String) -> impl fmt::Display {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.12s
[INFO] running `Command { std: "docker" "inspect" "9924ae0a3f036ac951e8ab8f2cfb8f11e2918723f0144904672ecf2ffdfd7e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9924ae0a3f036ac951e8ab8f2cfb8f11e2918723f0144904672ecf2ffdfd7e0d", kill_on_drop: false }`
[INFO] [stdout] 9924ae0a3f036ac951e8ab8f2cfb8f11e2918723f0144904672ecf2ffdfd7e0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7cd9e7b72b152c49292c3b19976d7efbfe0a535357adfc88dc34a29f3a672a1
[INFO] running `Command { std: "docker" "start" "-a" "d7cd9e7b72b152c49292c3b19976d7efbfe0a535357adfc88dc34a29f3a672a1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nessie v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Required`
[INFO] [stdout]   --> src/diagnostic.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 |   Required,
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `DiagnosticLevel` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/diagnostic.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Clone, Debug, Serialize)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bold`
[INFO] [stdout]   --> src/colors.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn bold(s: String) -> impl fmt::Display {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `red`
[INFO] [stdout]   --> src/colors.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn red(s: String) -> impl fmt::Display {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/nessie-03cf774054c34ff2)
[INFO] running `Command { std: "docker" "inspect" "d7cd9e7b72b152c49292c3b19976d7efbfe0a535357adfc88dc34a29f3a672a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7cd9e7b72b152c49292c3b19976d7efbfe0a535357adfc88dc34a29f3a672a1", kill_on_drop: false }`
[INFO] [stdout] d7cd9e7b72b152c49292c3b19976d7efbfe0a535357adfc88dc34a29f3a672a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 46200c55eabd5469f4d56af2088ef34de0767b120670cb897cbe3f2523824d68
[INFO] running `Command { std: "docker" "start" "-a" "46200c55eabd5469f4d56af2088ef34de0767b120670cb897cbe3f2523824d68", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `Required`
[INFO] [stderr]   --> src/diagnostic.rs:11:3
[INFO] [stderr]    |
[INFO] [stderr] 11 |   Required,
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `DiagnosticLevel` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/diagnostic.rs:9:10
[INFO] [stderr]    |
[INFO] [stderr] 9  | #[derive(Clone, Debug, Serialize)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bold`
[INFO] [stderr]   --> src/colors.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn bold(s: String) -> impl fmt::Display {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `red`
[INFO] [stderr]   --> src/colors.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn red(s: String) -> impl fmt::Display {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `nessie` (bin "nessie" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nessie-03cf774054c34ff2)
[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" "46200c55eabd5469f4d56af2088ef34de0767b120670cb897cbe3f2523824d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46200c55eabd5469f4d56af2088ef34de0767b120670cb897cbe3f2523824d68", kill_on_drop: false }`
[INFO] [stdout] 46200c55eabd5469f4d56af2088ef34de0767b120670cb897cbe3f2523824d68