[INFO] cloning repository https://github.com/youssefhakam/backend_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/youssefhakam/backend_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoussefhakam%2Fbackend_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoussefhakam%2Fbackend_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61e21960a6678498d255d854a6bfc3fdeb17a89c
[INFO] checking youssefhakam/backend_rust against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoussefhakam%2Fbackend_rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/youssefhakam/backend_rust 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/youssefhakam/backend_rust
[INFO] finished tweaking git repo https://github.com/youssefhakam/backend_rust
[INFO] tweaked toml for git repo https://github.com/youssefhakam/backend_rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/youssefhakam/backend_rust 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 rustc_version_runtime v0.2.1
[INFO] [stderr]   Downloaded serde_bytes v0.11.14
[INFO] [stderr]   Downloaded is-terminal v0.4.12
[INFO] [stderr]   Downloaded yansi v1.0.0
[INFO] [stderr]   Downloaded typed-builder v0.10.0
[INFO] [stderr]   Downloaded trust-dns-resolver v0.21.2
[INFO] [stderr]   Downloaded bson v2.9.0
[INFO] [stderr]   Downloaded trust-dns-proto v0.21.2
[INFO] [stderr]   Downloaded mongodb v2.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 814975613f5804b9b3996b7b53682b178818f1d8faa46354da785e3406d73b29
[INFO] running `Command { std: "docker" "start" "-a" "814975613f5804b9b3996b7b53682b178818f1d8faa46354da785e3406d73b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "814975613f5804b9b3996b7b53682b178818f1d8faa46354da785e3406d73b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "814975613f5804b9b3996b7b53682b178818f1d8faa46354da785e3406d73b29", kill_on_drop: false }`
[INFO] [stdout] 814975613f5804b9b3996b7b53682b178818f1d8faa46354da785e3406d73b29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c7428d64c9ae78223249fcc89f3b4859c0c01a2ed3ef97c3e571f19a90ab9b7f
[INFO] running `Command { std: "docker" "start" "-a" "c7428d64c9ae78223249fcc89f3b4859c0c01a2ed3ef97c3e571f19a90ab9b7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
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[INFO] [stderr]    Compiling rustc_version_runtime v0.2.1
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[INFO] [stderr]     Checking tempfile v3.10.1
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[INFO] [stderr]    Compiling hyper v0.14.28
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[INFO] [stderr]    Compiling devise_core v0.4.1
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling pear_codegen v0.2.8
[INFO] [stderr]    Compiling ref-cast-impl v1.0.22
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling enum-as-inner v0.4.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling typed-builder v0.10.0
[INFO] [stderr]    Compiling devise_codegen v0.4.1
[INFO] [stderr]    Compiling ref-cast v1.0.22
[INFO] [stderr]     Checking async-stream v0.3.5
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[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking pear v0.2.8
[INFO] [stderr]    Compiling devise v0.4.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling rocket_http v0.5.0
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]    Compiling rocket_codegen v0.5.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking trust-dns-proto v0.21.2
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking tokio-stream v0.1.14
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[INFO] [stderr]     Checking ubyte v0.10.4
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[INFO] [stderr]     Checking bson v2.9.0
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[INFO] [stderr]     Checking figment v0.10.14
[INFO] [stderr]     Checking mongodb v2.8.1
[INFO] [stderr]     Checking rocket v0.5.0
[INFO] [stderr]     Checking back v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.18s
[INFO] running `Command { std: "docker" "inspect" "c7428d64c9ae78223249fcc89f3b4859c0c01a2ed3ef97c3e571f19a90ab9b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7428d64c9ae78223249fcc89f3b4859c0c01a2ed3ef97c3e571f19a90ab9b7f", kill_on_drop: false }`
[INFO] [stdout] c7428d64c9ae78223249fcc89f3b4859c0c01a2ed3ef97c3e571f19a90ab9b7f