[INFO] cloning repository https://github.com/nicholastmosher/jsv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nicholastmosher/jsv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicholastmosher%2Fjsv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicholastmosher%2Fjsv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c920dd5ced32974d7c51cfa4e445e18c44d1776
[INFO] checking nicholastmosher/jsv against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicholastmosher%2Fjsv" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nicholastmosher/jsv 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 git repo https://github.com/nicholastmosher/jsv
[INFO] finished tweaking git repo https://github.com/nicholastmosher/jsv
[INFO] tweaked toml for git repo https://github.com/nicholastmosher/jsv written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nicholastmosher/jsv 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 iri-string v0.3.0
[INFO] [stderr]   Downloaded json-pointer v0.3.2
[INFO] [stderr]   Downloaded jsonschema-valid v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9aa44fef2e7c4c608b92a095c0c4566c32593e08eaf22dfac22ad775ee1d8283
[INFO] running `Command { std: "docker" "start" "-a" "9aa44fef2e7c4c608b92a095c0c4566c32593e08eaf22dfac22ad775ee1d8283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9aa44fef2e7c4c608b92a095c0c4566c32593e08eaf22dfac22ad775ee1d8283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aa44fef2e7c4c608b92a095c0c4566c32593e08eaf22dfac22ad775ee1d8283", kill_on_drop: false }`
[INFO] [stdout] 9aa44fef2e7c4c608b92a095c0c4566c32593e08eaf22dfac22ad775ee1d8283
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6d28338bee0d34e7dc9f0ca5d9be42917ab6a2c157e1724c2bd920adea1dec96
[INFO] running `Command { std: "docker" "start" "-a" "6d28338bee0d34e7dc9f0ca5d9be42917ab6a2c157e1724c2bd920adea1dec96", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking iri-string v0.3.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking json-pointer v0.3.2
[INFO] [stderr]     Checking jsonschema-valid v0.4.0
[INFO] [stderr]     Checking jsv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.91s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.1
[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" "6d28338bee0d34e7dc9f0ca5d9be42917ab6a2c157e1724c2bd920adea1dec96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d28338bee0d34e7dc9f0ca5d9be42917ab6a2c157e1724c2bd920adea1dec96", kill_on_drop: false }`
[INFO] [stdout] 6d28338bee0d34e7dc9f0ca5d9be42917ab6a2c157e1724c2bd920adea1dec96