[INFO] cloning repository https://github.com/ChristopherBiscardi/netlify-rust-test-repo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChristopherBiscardi/netlify-rust-test-repo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristopherBiscardi%2Fnetlify-rust-test-repo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristopherBiscardi%2Fnetlify-rust-test-repo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac083ecdfbbab77997ea54bd841b14e3cc3207f1
[INFO] checking ChristopherBiscardi/netlify-rust-test-repo against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristopherBiscardi%2Fnetlify-rust-test-repo" "/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/ChristopherBiscardi/netlify-rust-test-repo on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/ChristopherBiscardi/netlify-rust-test-repo
[INFO] finished tweaking git repo https://github.com/ChristopherBiscardi/netlify-rust-test-repo
[INFO] tweaked toml for git repo https://github.com/ChristopherBiscardi/netlify-rust-test-repo written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ChristopherBiscardi/netlify-rust-test-repo 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-core v0.1.20
[INFO] [stderr]   Downloaded http-serde v1.0.3
[INFO] [stderr]   Downloaded aws_lambda_events v0.5.0
[INFO] [stderr]   Downloaded lambda_http v0.4.1
[INFO] [stderr]   Downloaded hyper v0.14.12
[INFO] [stderr]   Downloaded tokio v1.9.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.21
[INFO] [stderr]   Downloaded lambda_runtime v0.4.1
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d95b4a9f6074df0f99771223f1b3a4182484c7d6bfdbc9c7d08afd4ab6efd02
[INFO] running `Command { std: "docker" "start" "-a" "1d95b4a9f6074df0f99771223f1b3a4182484c7d6bfdbc9c7d08afd4ab6efd02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d95b4a9f6074df0f99771223f1b3a4182484c7d6bfdbc9c7d08afd4ab6efd02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d95b4a9f6074df0f99771223f1b3a4182484c7d6bfdbc9c7d08afd4ab6efd02", kill_on_drop: false }`
[INFO] [stdout] 1d95b4a9f6074df0f99771223f1b3a4182484c7d6bfdbc9c7d08afd4ab6efd02
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 318dfc986292699daae8ab6d76f38c8f760603a1a480d3d763c2a8efae46898c
[INFO] running `Command { std: "docker" "start" "-a" "318dfc986292699daae8ab6d76f38c8f760603a1a480d3d763c2a8efae46898c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking tracing-core v0.1.20
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.21
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking http-serde v1.0.3
[INFO] [stderr]     Checking aws_lambda_events v0.5.0
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking hyper v0.14.12
[INFO] [stderr]     Checking lambda_runtime v0.4.1
[INFO] [stderr]     Checking lambda_http v0.4.1
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.11s
[INFO] running `Command { std: "docker" "inspect" "318dfc986292699daae8ab6d76f38c8f760603a1a480d3d763c2a8efae46898c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "318dfc986292699daae8ab6d76f38c8f760603a1a480d3d763c2a8efae46898c", kill_on_drop: false }`
[INFO] [stdout] 318dfc986292699daae8ab6d76f38c8f760603a1a480d3d763c2a8efae46898c
[INFO] checking ChristopherBiscardi/netlify-rust-test-repo against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristopherBiscardi%2Fnetlify-rust-test-repo" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChristopherBiscardi/netlify-rust-test-repo on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/ChristopherBiscardi/netlify-rust-test-repo
[INFO] finished tweaking git repo https://github.com/ChristopherBiscardi/netlify-rust-test-repo
[INFO] tweaked toml for git repo https://github.com/ChristopherBiscardi/netlify-rust-test-repo written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ChristopherBiscardi/netlify-rust-test-repo 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ffb3ffaf8d3d27dfa0efd7b2f82d4480dc9da42fb05e3ed6882b801952ee50e
[INFO] running `Command { std: "docker" "start" "-a" "0ffb3ffaf8d3d27dfa0efd7b2f82d4480dc9da42fb05e3ed6882b801952ee50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ffb3ffaf8d3d27dfa0efd7b2f82d4480dc9da42fb05e3ed6882b801952ee50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ffb3ffaf8d3d27dfa0efd7b2f82d4480dc9da42fb05e3ed6882b801952ee50e", kill_on_drop: false }`
[INFO] [stdout] 0ffb3ffaf8d3d27dfa0efd7b2f82d4480dc9da42fb05e3ed6882b801952ee50e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 729507c6ead642357d1ff22208cc6d7aa61a4c888ae455b5b5a210ac0e0043e4
[INFO] running `Command { std: "docker" "start" "-a" "729507c6ead642357d1ff22208cc6d7aa61a4c888ae455b5b5a210ac0e0043e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking tracing-core v0.1.20
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.21
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking http-serde v1.0.3
[INFO] [stderr]     Checking aws_lambda_events v0.5.0
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking hyper v0.14.12
[INFO] [stderr]     Checking lambda_runtime v0.4.1
[INFO] [stderr]     Checking lambda_http v0.4.1
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.53s
[INFO] running `Command { std: "docker" "inspect" "729507c6ead642357d1ff22208cc6d7aa61a4c888ae455b5b5a210ac0e0043e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729507c6ead642357d1ff22208cc6d7aa61a4c888ae455b5b5a210ac0e0043e4", kill_on_drop: false }`
[INFO] [stdout] 729507c6ead642357d1ff22208cc6d7aa61a4c888ae455b5b5a210ac0e0043e4