[INFO] cloning repository https://github.com/lewisbelcher/rs-blocks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lewisbelcher/rs-blocks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flewisbelcher%2Frs-blocks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flewisbelcher%2Frs-blocks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96c7e079a9a52ba6cfe234d2b9e7826b3b3db56d
[INFO] checking lewisbelcher/rs-blocks against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flewisbelcher%2Frs-blocks" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lewisbelcher/rs-blocks 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/lewisbelcher/rs-blocks
[INFO] finished tweaking git repo https://github.com/lewisbelcher/rs-blocks
[INFO] tweaked toml for git repo https://github.com/lewisbelcher/rs-blocks written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lewisbelcher/rs-blocks 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 criterion-plot v0.4.4
[INFO] [stderr]   Downloaded semver v1.0.9
[INFO] [stderr]   Downloaded criterion v0.3.5
[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] 1e217ade9953587e75c661a76e45ca8f7c1abf1495c170cf603ab0a4714507d5
[INFO] running `Command { std: "docker" "start" "-a" "1e217ade9953587e75c661a76e45ca8f7c1abf1495c170cf603ab0a4714507d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e217ade9953587e75c661a76e45ca8f7c1abf1495c170cf603ab0a4714507d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e217ade9953587e75c661a76e45ca8f7c1abf1495c170cf603ab0a4714507d5", kill_on_drop: false }`
[INFO] [stdout] 1e217ade9953587e75c661a76e45ca8f7c1abf1495c170cf603ab0a4714507d5
[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] 1c7fbf1b71b89e48df61e489b65092341466f58d1375bbf8a3bb64bcee0f8342
[INFO] running `Command { std: "docker" "start" "-a" "1c7fbf1b71b89e48df61e489b65092341466f58d1375bbf8a3bb64bcee0f8342", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling rs-blocks-derive v0.1.1 (/opt/rustwide/workdir/rs-blocks-derive)
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking rs-blocks v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.41s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "1c7fbf1b71b89e48df61e489b65092341466f58d1375bbf8a3bb64bcee0f8342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c7fbf1b71b89e48df61e489b65092341466f58d1375bbf8a3bb64bcee0f8342", kill_on_drop: false }`
[INFO] [stdout] 1c7fbf1b71b89e48df61e489b65092341466f58d1375bbf8a3bb64bcee0f8342