[INFO] fetching crate nessie 0.1.0...
[INFO] checking nessie-0.1.0 against beta for pr-78714
[INFO] extracting crate nessie 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate nessie 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-12/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" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32198bcc4a913b24bc42ee3a67a593597d44723baa0ab9ca64dbfbc89aa4df81
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "32198bcc4a913b24bc42ee3a67a593597d44723baa0ab9ca64dbfbc89aa4df81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32198bcc4a913b24bc42ee3a67a593597d44723baa0ab9ca64dbfbc89aa4df81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32198bcc4a913b24bc42ee3a67a593597d44723baa0ab9ca64dbfbc89aa4df81", kill_on_drop: false }`
[INFO] [stdout] 32198bcc4a913b24bc42ee3a67a593597d44723baa0ab9ca64dbfbc89aa4df81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c45ff4b5e70ea3e2ec7dcbdb51b596d8562f8d748cdccb9f5932977a7dfa643d
[INFO] running `Command { std: "docker" "start" "-a" "c45ff4b5e70ea3e2ec7dcbdb51b596d8562f8d748cdccb9f5932977a7dfa643d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]     Checking if_chain v0.1.3
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.5
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking dashmap v3.5.1
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[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 string_enum v0.3.0
[INFO] [stderr]    Compiling enum_kind v0.2.0
[INFO] [stderr]    Compiling swc_ecma_parser_macros v0.4.1
[INFO] [stderr]    Compiling swc_ecma_visit_macros v0.4.0
[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]     Checking serde v1.0.111
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking sourcemap v5.0.0
[INFO] [stderr]     Checking swc_common v0.5.12
[INFO] [stderr]     Checking swc_ecma_ast v0.20.0
[INFO] [stderr]     Checking swc_ecma_visit v0.5.1
[INFO] [stderr]     Checking swc_ecma_parser v0.24.5
[INFO] [stderr]     Checking deno_lint v0.1.10
[INFO] [stderr]     Checking 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] 
[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: 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] 
[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] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "c45ff4b5e70ea3e2ec7dcbdb51b596d8562f8d748cdccb9f5932977a7dfa643d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45ff4b5e70ea3e2ec7dcbdb51b596d8562f8d748cdccb9f5932977a7dfa643d", kill_on_drop: false }`
[INFO] [stdout] c45ff4b5e70ea3e2ec7dcbdb51b596d8562f8d748cdccb9f5932977a7dfa643d