[INFO] cloning repository https://github.com/shantanu561993/airtable_download
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shantanu561993/airtable_download" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshantanu561993%2Fairtable_download", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshantanu561993%2Fairtable_download'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0d267c84d7333e91a3a9a29f8445d07f80a3a11
[INFO] checking shantanu561993/airtable_download against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshantanu561993%2Fairtable_download" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shantanu561993/airtable_download 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] started tweaking git repo https://github.com/shantanu561993/airtable_download
[INFO] finished tweaking git repo https://github.com/shantanu561993/airtable_download
[INFO] tweaked toml for git repo https://github.com/shantanu561993/airtable_download written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/shantanu561993/airtable_download 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 static_vcruntime v2.0.0
[INFO] [stderr]   Downloaded memchr v2.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1044611a6543a9a21dfb4aefa437ebed83b448286b039318fc07f76eeb59223e
[INFO] running `Command { std: "docker" "start" "-a" "1044611a6543a9a21dfb4aefa437ebed83b448286b039318fc07f76eeb59223e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1044611a6543a9a21dfb4aefa437ebed83b448286b039318fc07f76eeb59223e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1044611a6543a9a21dfb4aefa437ebed83b448286b039318fc07f76eeb59223e", kill_on_drop: false }`
[INFO] [stdout] 1044611a6543a9a21dfb4aefa437ebed83b448286b039318fc07f76eeb59223e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 86ef4ce836ed1ef27ae01903e5179d3a320decb457998c7bfa90302317544842
[INFO] running `Command { std: "docker" "start" "-a" "86ef4ce836ed1ef27ae01903e5179d3a320decb457998c7bfa90302317544842", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking memchr v2.6.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling static_vcruntime v2.0.0
[INFO] [stderr]    Compiling airtable_download v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking base64 v0.21.3
[INFO] [stderr]     Checking ipnet v2.8.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.92
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.20
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut content = response.bytes().expect("Failed to read response content.");
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut content = response.bytes().expect("Failed to read response content.");
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.68s
[INFO] running `Command { std: "docker" "inspect" "86ef4ce836ed1ef27ae01903e5179d3a320decb457998c7bfa90302317544842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86ef4ce836ed1ef27ae01903e5179d3a320decb457998c7bfa90302317544842", kill_on_drop: false }`
[INFO] [stdout] 86ef4ce836ed1ef27ae01903e5179d3a320decb457998c7bfa90302317544842
[INFO] checking shantanu561993/airtable_download against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshantanu561993%2Fairtable_download" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shantanu561993/airtable_download 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] started tweaking git repo https://github.com/shantanu561993/airtable_download
[INFO] finished tweaking git repo https://github.com/shantanu561993/airtable_download
[INFO] tweaked toml for git repo https://github.com/shantanu561993/airtable_download written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/shantanu561993/airtable_download 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9ec790710eec1ff9a8ba3de32f08e5eb3cacff1e9a6b38e58f95c0e3d723e02e
[INFO] running `Command { std: "docker" "start" "-a" "9ec790710eec1ff9a8ba3de32f08e5eb3cacff1e9a6b38e58f95c0e3d723e02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ec790710eec1ff9a8ba3de32f08e5eb3cacff1e9a6b38e58f95c0e3d723e02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec790710eec1ff9a8ba3de32f08e5eb3cacff1e9a6b38e58f95c0e3d723e02e", kill_on_drop: false }`
[INFO] [stdout] 9ec790710eec1ff9a8ba3de32f08e5eb3cacff1e9a6b38e58f95c0e3d723e02e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a2d0abfaf151baccae349ffbbe486186808d3e181aae8632937cbd88e4bee361
[INFO] running `Command { std: "docker" "start" "-a" "a2d0abfaf151baccae349ffbbe486186808d3e181aae8632937cbd88e4bee361", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking memchr v2.6.1
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling static_vcruntime v2.0.0
[INFO] [stderr]    Compiling airtable_download v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking ipnet v2.8.0
[INFO] [stderr]     Checking base64 v0.21.3
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling openssl-sys v0.9.92
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.20
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut content = response.bytes().expect("Failed to read response content.");
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut content = response.bytes().expect("Failed to read response content.");
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.70s
[INFO] running `Command { std: "docker" "inspect" "a2d0abfaf151baccae349ffbbe486186808d3e181aae8632937cbd88e4bee361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2d0abfaf151baccae349ffbbe486186808d3e181aae8632937cbd88e4bee361", kill_on_drop: false }`
[INFO] [stdout] a2d0abfaf151baccae349ffbbe486186808d3e181aae8632937cbd88e4bee361