[INFO] fetching crate mork 0.1.4...
[INFO] checking mork-0.1.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate mork 0.1.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mork 0.1.4 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate mork 0.1.4
[INFO] finished tweaking crates.io crate mork 0.1.4
[INFO] tweaked toml for crates.io crate mork 0.1.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate mork 0.1.4 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mork-message-derive v0.1.0
[INFO] [stderr]   Downloaded dovepipe v0.1.6
[INFO] [stderr]   Downloaded whoami v1.2.1
[INFO] [stderr]   Downloaded parking_lot_core v0.9.1
[INFO] [stderr]   Downloaded windows_i686_msvc v0.32.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.32.0
[INFO] [stderr]   Downloaded windows-sys v0.32.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.32.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.32.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.32.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76a5e594f16954f6e078c1c8e704a3874517903cad59bdcbf5d17c9bddeafa63
[INFO] running `Command { std: "docker" "start" "-a" "76a5e594f16954f6e078c1c8e704a3874517903cad59bdcbf5d17c9bddeafa63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76a5e594f16954f6e078c1c8e704a3874517903cad59bdcbf5d17c9bddeafa63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76a5e594f16954f6e078c1c8e704a3874517903cad59bdcbf5d17c9bddeafa63", kill_on_drop: false }`
[INFO] [stdout] 76a5e594f16954f6e078c1c8e704a3874517903cad59bdcbf5d17c9bddeafa63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5863df6eae882d6f1f4b85c85310262cb565d658bffcba5e33b6004485e4923e
[INFO] running `Command { std: "docker" "start" "-a" "5863df6eae882d6f1f4b85c85310262cb565d658bffcba5e33b6004485e4923e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking ip_rfc v0.1.0
[INFO] [stderr]     Checking whoami v1.2.1
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking mio v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling darling_core v0.13.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]    Compiling darling_macro v0.13.1
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]    Compiling darling v0.13.1
[INFO] [stderr]     Checking dovepipe v0.1.6
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling mork-message-derive v0.1.0
[INFO] [stderr]     Checking mork v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `NotRightAmountError` is never constructed
[INFO] [stdout]    --> src/client/main.rs:165:8
[INFO] [stdout]     |
[INFO] [stdout] 165 | struct NotRightAmountError;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NotRightAmountError` is never constructed
[INFO] [stdout]    --> src/client/main.rs:165:8
[INFO] [stdout]     |
[INFO] [stdout] 165 | struct NotRightAmountError;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.81s
[INFO] running `Command { std: "docker" "inspect" "5863df6eae882d6f1f4b85c85310262cb565d658bffcba5e33b6004485e4923e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5863df6eae882d6f1f4b85c85310262cb565d658bffcba5e33b6004485e4923e", kill_on_drop: false }`
[INFO] [stdout] 5863df6eae882d6f1f4b85c85310262cb565d658bffcba5e33b6004485e4923e