[INFO] fetching crate ipld-schema 0.3.2...
[INFO] checking ipld-schema-0.3.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate ipld-schema 0.3.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ipld-schema 0.3.2 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-5-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate ipld-schema 0.3.2
[INFO] finished tweaking crates.io crate ipld-schema 0.3.2
[INFO] tweaked toml for crates.io crate ipld-schema 0.3.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate ipld-schema 0.3.2 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 test-strategy v0.1.1
[INFO] [stderr]   Downloaded ctor v0.1.17
[INFO] [stderr]   Downloaded yaml-rust v0.4.4
[INFO] [stderr]   Downloaded console v0.14.0
[INFO] [stderr]   Downloaded terminal_size v0.1.15
[INFO] [stderr]   Downloaded dtoa v0.4.7
[INFO] [stderr]   Downloaded proptest v0.10.1
[INFO] [stderr]   Downloaded syn v1.0.56
[INFO] [stderr]   Downloaded insta v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 22b116fb1714334b02942b9c9c262e93eb06e1a150b7dca76b60f1239deedf07
[INFO] running `Command { std: "docker" "start" "-a" "22b116fb1714334b02942b9c9c262e93eb06e1a150b7dca76b60f1239deedf07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22b116fb1714334b02942b9c9c262e93eb06e1a150b7dca76b60f1239deedf07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22b116fb1714334b02942b9c9c262e93eb06e1a150b7dca76b60f1239deedf07", kill_on_drop: false }`
[INFO] [stdout] 22b116fb1714334b02942b9c9c262e93eb06e1a150b7dca76b60f1239deedf07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 126e602bcee2476c295cd17e14b91e718e1736043baf321812d4d6cb9a123d07
[INFO] running `Command { std: "docker" "start" "-a" "126e602bcee2476c295cd17e14b91e718e1736043baf321812d4d6cb9a123d07", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking peg-runtime v0.6.3
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling test-strategy v0.1.1
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking ipld-schema v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking insta v1.4.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.54s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: test-strategy v0.1.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "126e602bcee2476c295cd17e14b91e718e1736043baf321812d4d6cb9a123d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "126e602bcee2476c295cd17e14b91e718e1736043baf321812d4d6cb9a123d07", kill_on_drop: false }`
[INFO] [stdout] 126e602bcee2476c295cd17e14b91e718e1736043baf321812d4d6cb9a123d07