[INFO] cloning repository https://github.com/maciektr/cargo-repro-1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maciektr/cargo-repro-1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaciektr%2Fcargo-repro-1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaciektr%2Fcargo-repro-1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d1fbd3ba959731f8ef8f712f1b549f53c871c2e
[INFO] checking maciektr/cargo-repro-1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaciektr%2Fcargo-repro-1" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maciektr/cargo-repro-1 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/maciektr/cargo-repro-1
[INFO] finished tweaking git repo https://github.com/maciektr/cargo-repro-1
[INFO] tweaked toml for git repo https://github.com/maciektr/cargo-repro-1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/maciektr/cargo-repro-1 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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fb895383c1f71285808f15f3c015fcc3fc246103cac278a0ee09bbb8a9be926c
[INFO] running `Command { std: "docker" "start" "-a" "fb895383c1f71285808f15f3c015fcc3fc246103cac278a0ee09bbb8a9be926c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb895383c1f71285808f15f3c015fcc3fc246103cac278a0ee09bbb8a9be926c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb895383c1f71285808f15f3c015fcc3fc246103cac278a0ee09bbb8a9be926c", kill_on_drop: false }`
[INFO] [stdout] fb895383c1f71285808f15f3c015fcc3fc246103cac278a0ee09bbb8a9be926c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fe6ecb393c3a3f2e790fa4fa81e4f6b52f68573d3e334646555afebf85233c52
[INFO] running `Command { std: "docker" "start" "-a" "fe6ecb393c3a3f2e790fa4fa81e4f6b52f68573d3e334646555afebf85233c52", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.15
[INFO] [stderr]     Checking aaa v0.1.0 (/opt/rustwide/workdir/aaa)
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking h2 v0.3.24
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking bbb v0.1.0 (/opt/rustwide/workdir/bbb)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.91s
[INFO] running `Command { std: "docker" "inspect" "fe6ecb393c3a3f2e790fa4fa81e4f6b52f68573d3e334646555afebf85233c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe6ecb393c3a3f2e790fa4fa81e4f6b52f68573d3e334646555afebf85233c52", kill_on_drop: false }`
[INFO] [stdout] fe6ecb393c3a3f2e790fa4fa81e4f6b52f68573d3e334646555afebf85233c52
[INFO] checking maciektr/cargo-repro-1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaciektr%2Fcargo-repro-1" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maciektr/cargo-repro-1 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/maciektr/cargo-repro-1
[INFO] finished tweaking git repo https://github.com/maciektr/cargo-repro-1
[INFO] tweaked toml for git repo https://github.com/maciektr/cargo-repro-1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/maciektr/cargo-repro-1 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5447c8875d15c017590bfa68f9d3cd7d83fc69c897110acc9343e827c93ee814
[INFO] running `Command { std: "docker" "start" "-a" "5447c8875d15c017590bfa68f9d3cd7d83fc69c897110acc9343e827c93ee814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5447c8875d15c017590bfa68f9d3cd7d83fc69c897110acc9343e827c93ee814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5447c8875d15c017590bfa68f9d3cd7d83fc69c897110acc9343e827c93ee814", kill_on_drop: false }`
[INFO] [stdout] 5447c8875d15c017590bfa68f9d3cd7d83fc69c897110acc9343e827c93ee814
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e1fe53cc36521e77992896b7f887dd856961cace84bc153fa79f6b65f53d2bf3
[INFO] running `Command { std: "docker" "start" "-a" "e1fe53cc36521e77992896b7f887dd856961cace84bc153fa79f6b65f53d2bf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.15
[INFO] [stderr]     Checking aaa v0.1.0 (/opt/rustwide/workdir/aaa)
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking h2 v0.3.24
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking bbb v0.1.0 (/opt/rustwide/workdir/bbb)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.20s
[INFO] running `Command { std: "docker" "inspect" "e1fe53cc36521e77992896b7f887dd856961cace84bc153fa79f6b65f53d2bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1fe53cc36521e77992896b7f887dd856961cace84bc153fa79f6b65f53d2bf3", kill_on_drop: false }`
[INFO] [stdout] e1fe53cc36521e77992896b7f887dd856961cace84bc153fa79f6b65f53d2bf3