[INFO] cloning repository https://github.com/anddani/rust-backend-sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anddani/rust-backend-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanddani%2Frust-backend-sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanddani%2Frust-backend-sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b2e80093db483ea23c014d93cd1058149b4152d
[INFO] checking anddani/rust-backend-sample against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanddani%2Frust-backend-sample" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anddani/rust-backend-sample 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/anddani/rust-backend-sample
[INFO] finished tweaking git repo https://github.com/anddani/rust-backend-sample
[INFO] tweaked toml for git repo https://github.com/anddani/rust-backend-sample written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/anddani/rust-backend-sample 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4ace793c8de42730a8e3648e1958829b5bc114b8d13a9593aba22c3e446c89ea
[INFO] running `Command { std: "docker" "start" "-a" "4ace793c8de42730a8e3648e1958829b5bc114b8d13a9593aba22c3e446c89ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ace793c8de42730a8e3648e1958829b5bc114b8d13a9593aba22c3e446c89ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ace793c8de42730a8e3648e1958829b5bc114b8d13a9593aba22c3e446c89ea", kill_on_drop: false }`
[INFO] [stdout] 4ace793c8de42730a8e3648e1958829b5bc114b8d13a9593aba22c3e446c89ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ab80795555d3ed44bb9fb70c0579775eeb9662a7eb3f1b6191dc6466022e9b49
[INFO] running `Command { std: "docker" "start" "-a" "ab80795555d3ed44bb9fb70c0579775eeb9662a7eb3f1b6191dc6466022e9b49", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking http v1.0.0
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking dotenvy v0.15.7
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling axum-core v0.4.1
[INFO] [stderr]    Compiling axum v0.7.2
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking http-body-util v0.1.0
[INFO] [stderr]     Checking tower-http v0.5.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]    Compiling axum-macros v0.4.0
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/src/utils)
[INFO] [stderr]     Checking serde v1.0.193
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking h2 v0.4.0
[INFO] [stderr]     Checking serde_path_to_error v0.1.14
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v1.0.1
[INFO] [stderr]     Checking hyper-util v0.1.1
[INFO] [stderr]     Checking web v0.1.0 (/opt/rustwide/workdir/src/web)
[INFO] [stderr]     Checking rust-backend-sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.30s
[INFO] running `Command { std: "docker" "inspect" "ab80795555d3ed44bb9fb70c0579775eeb9662a7eb3f1b6191dc6466022e9b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab80795555d3ed44bb9fb70c0579775eeb9662a7eb3f1b6191dc6466022e9b49", kill_on_drop: false }`
[INFO] [stdout] ab80795555d3ed44bb9fb70c0579775eeb9662a7eb3f1b6191dc6466022e9b49
[INFO] checking anddani/rust-backend-sample against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanddani%2Frust-backend-sample" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anddani/rust-backend-sample 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/anddani/rust-backend-sample
[INFO] finished tweaking git repo https://github.com/anddani/rust-backend-sample
[INFO] tweaked toml for git repo https://github.com/anddani/rust-backend-sample written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/anddani/rust-backend-sample 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2ae4f2c1685328e64f095ec2b443156b4512f2392040a913236aa821f93f3a63
[INFO] running `Command { std: "docker" "start" "-a" "2ae4f2c1685328e64f095ec2b443156b4512f2392040a913236aa821f93f3a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ae4f2c1685328e64f095ec2b443156b4512f2392040a913236aa821f93f3a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ae4f2c1685328e64f095ec2b443156b4512f2392040a913236aa821f93f3a63", kill_on_drop: false }`
[INFO] [stdout] 2ae4f2c1685328e64f095ec2b443156b4512f2392040a913236aa821f93f3a63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 68ec722d3424e8312c8205327491583b6246d4d6aaa1d32433e5dbd110366187
[INFO] running `Command { std: "docker" "start" "-a" "68ec722d3424e8312c8205327491583b6246d4d6aaa1d32433e5dbd110366187", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking http v1.0.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking dotenvy v0.15.7
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling axum-core v0.4.1
[INFO] [stderr]    Compiling axum v0.7.2
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking http-body-util v0.1.0
[INFO] [stderr]     Checking tower-http v0.5.0
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]    Compiling axum-macros v0.4.0
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/src/utils)
[INFO] [stderr]     Checking serde v1.0.193
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking h2 v0.4.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.14
[INFO] [stderr]     Checking hyper v1.0.1
[INFO] [stderr]     Checking hyper-util v0.1.1
[INFO] [stderr]     Checking web v0.1.0 (/opt/rustwide/workdir/src/web)
[INFO] [stderr]     Checking rust-backend-sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.79s
[INFO] running `Command { std: "docker" "inspect" "68ec722d3424e8312c8205327491583b6246d4d6aaa1d32433e5dbd110366187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68ec722d3424e8312c8205327491583b6246d4d6aaa1d32433e5dbd110366187", kill_on_drop: false }`
[INFO] [stdout] 68ec722d3424e8312c8205327491583b6246d4d6aaa1d32433e5dbd110366187