[INFO] fetching crate warc 0.3.1...
[INFO] checking warc-0.3.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate warc 0.3.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate warc 0.3.1 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] started tweaking crates.io crate warc 0.3.1
[INFO] finished tweaking crates.io crate warc 0.3.1
[INFO] tweaked toml for crates.io crate warc 0.3.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate warc 0.3.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libflate_lz77 v1.1.0
[INFO] [stderr]   Downloaded libflate v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 75cc5f0ea1f1c0d0092a8e2ecb7813e5836b4bd81de537b90107b32633aa0680
[INFO] running `Command { std: "docker" "start" "-a" "75cc5f0ea1f1c0d0092a8e2ecb7813e5836b4bd81de537b90107b32633aa0680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75cc5f0ea1f1c0d0092a8e2ecb7813e5836b4bd81de537b90107b32633aa0680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75cc5f0ea1f1c0d0092a8e2ecb7813e5836b4bd81de537b90107b32633aa0680", kill_on_drop: false }`
[INFO] [stdout] 75cc5f0ea1f1c0d0092a8e2ecb7813e5836b4bd81de537b90107b32633aa0680
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8eae55afd53a15ad13664ffdc21dd84cc60f33c9c4649d6c6d13be8f783082b7
[INFO] running `Command { std: "docker" "start" "-a" "8eae55afd53a15ad13664ffdc21dd84cc60f33c9c4649d6c6d13be8f783082b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking rle-decode-fast v1.0.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking libflate_lz77 v1.1.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking libflate v1.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking warc v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]    --> src/warc_reader.rs:487:9
[INFO] [stdout]     |
[INFO] [stdout] 487 |     use std::collections::HashMap;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]    --> src/warc_reader.rs:489:9
[INFO] [stdout]     |
[INFO] [stdout] 489 |     use std::iter::FromIterator;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WarcHeader`
[INFO] [stdout]    --> src/warc_reader.rs:491:17
[INFO] [stdout]     |
[INFO] [stdout] 491 |     use crate::{WarcHeader, WarcReader};
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.50s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "8eae55afd53a15ad13664ffdc21dd84cc60f33c9c4649d6c6d13be8f783082b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eae55afd53a15ad13664ffdc21dd84cc60f33c9c4649d6c6d13be8f783082b7", kill_on_drop: false }`
[INFO] [stdout] 8eae55afd53a15ad13664ffdc21dd84cc60f33c9c4649d6c6d13be8f783082b7