[INFO] cloning repository https://github.com/matteo64270/todolist [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matteo64270/todolist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteo64270%2Ftodolist", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteo64270%2Ftodolist'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7783f723b3db49b2334f97feb45cf2e913eb4e14 [INFO] checking matteo64270/todolist against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteo64270%2Ftodolist" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] [stderr] Updating files: 46% (484/1037) Updating files: 47% (488/1037) Updating files: 48% (498/1037) Updating files: 49% (509/1037) Updating files: 50% (519/1037) Updating files: 51% (529/1037) Updating files: 52% (540/1037) Updating files: 53% (550/1037) Updating files: 54% (560/1037) Updating files: 55% (571/1037) Updating files: 55% (574/1037) Updating files: 56% (581/1037) Updating files: 57% (592/1037) Updating files: 58% (602/1037) Updating files: 59% (612/1037) Updating files: 60% (623/1037) Updating files: 61% (633/1037) Updating files: 62% (643/1037) Updating files: 63% (654/1037) Updating files: 64% (664/1037) Updating files: 65% (675/1037) Updating files: 66% (685/1037) Updating files: 67% (695/1037) Updating files: 68% (706/1037) Updating files: 69% (716/1037) Updating files: 70% (726/1037) Updating files: 71% (737/1037) Updating files: 72% (747/1037) Updating files: 73% (758/1037) Updating files: 74% (768/1037) Updating files: 75% (778/1037) Updating files: 76% (789/1037) Updating files: 77% (799/1037) Updating files: 78% (809/1037) Updating files: 79% (820/1037) Updating files: 80% (830/1037) Updating files: 81% (840/1037) Updating files: 82% (851/1037) Updating files: 83% (861/1037) Updating files: 84% (872/1037) Updating files: 85% (882/1037) Updating files: 86% (892/1037) Updating files: 87% (903/1037) Updating files: 88% (913/1037) Updating files: 89% (923/1037) Updating files: 90% (934/1037) Updating files: 91% (944/1037) Updating files: 92% (955/1037) Updating files: 93% (965/1037) Updating files: 94% (975/1037) Updating files: 95% (986/1037) Updating files: 96% (996/1037) Updating files: 97% (1006/1037) Updating files: 98% (1017/1037) Updating files: 99% (1027/1037) Updating files: 100% (1037/1037) Updating files: 100% (1037/1037), done. [INFO] validating manifest of git repo https://github.com/matteo64270/todolist 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/matteo64270/todolist [INFO] finished tweaking git repo https://github.com/matteo64270/todolist [INFO] tweaked toml for git repo https://github.com/matteo64270/todolist written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/matteo64270/todolist 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 78e6e7ab165ac4cf323adf4ff0436163f9a109cc2eb10f97b3e830ddda38e01d [INFO] running `Command { std: "docker" "start" "-a" "78e6e7ab165ac4cf323adf4ff0436163f9a109cc2eb10f97b3e830ddda38e01d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "78e6e7ab165ac4cf323adf4ff0436163f9a109cc2eb10f97b3e830ddda38e01d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78e6e7ab165ac4cf323adf4ff0436163f9a109cc2eb10f97b3e830ddda38e01d", kill_on_drop: false }` [INFO] [stdout] 78e6e7ab165ac4cf323adf4ff0436163f9a109cc2eb10f97b3e830ddda38e01d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a8544809f7093624525e1cb2d3aa7aa9d9b2f39d0197574fac7f34ebfd258975 [INFO] running `Command { std: "docker" "start" "-a" "a8544809f7093624525e1cb2d3aa7aa9d9b2f39d0197574fac7f34ebfd258975", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking home v0.5.3 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking serde v1.0.125 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking rusty-journal v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.65s [INFO] running `Command { std: "docker" "inspect" "a8544809f7093624525e1cb2d3aa7aa9d9b2f39d0197574fac7f34ebfd258975", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8544809f7093624525e1cb2d3aa7aa9d9b2f39d0197574fac7f34ebfd258975", kill_on_drop: false }` [INFO] [stdout] a8544809f7093624525e1cb2d3aa7aa9d9b2f39d0197574fac7f34ebfd258975 [INFO] checking matteo64270/todolist against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteo64270%2Ftodolist" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] [stderr] Updating files: 46% (485/1037) Updating files: 47% (488/1037) Updating files: 48% (498/1037) Updating files: 49% (509/1037) Updating files: 50% (519/1037) Updating files: 51% (529/1037) Updating files: 51% (538/1037) Updating files: 52% (540/1037) Updating files: 53% (550/1037) Updating files: 54% (560/1037) Updating files: 55% (571/1037) Updating files: 56% (581/1037) Updating files: 57% (592/1037) Updating files: 58% (602/1037) Updating files: 59% (612/1037) Updating files: 60% (623/1037) Updating files: 61% (633/1037) Updating files: 62% (643/1037) Updating files: 63% (654/1037) Updating files: 64% (664/1037) Updating files: 65% (675/1037) Updating files: 66% (685/1037) Updating files: 67% (695/1037) Updating files: 68% (706/1037) Updating files: 69% (716/1037) Updating files: 70% (726/1037) Updating files: 71% (737/1037) Updating files: 72% (747/1037) Updating files: 73% (758/1037) Updating files: 74% (768/1037) Updating files: 75% (778/1037) Updating files: 76% (789/1037) Updating files: 77% (799/1037) Updating files: 78% (809/1037) Updating files: 79% (820/1037) Updating files: 80% (830/1037) Updating files: 80% (839/1037) Updating files: 81% (840/1037) Updating files: 82% (851/1037) Updating files: 83% (861/1037) Updating files: 84% (872/1037) Updating files: 85% (882/1037) Updating files: 86% (892/1037) Updating files: 87% (903/1037) Updating files: 88% (913/1037) Updating files: 89% (923/1037) Updating files: 90% (934/1037) Updating files: 91% (944/1037) Updating files: 92% (955/1037) Updating files: 93% (965/1037) Updating files: 94% (975/1037) Updating files: 95% (986/1037) Updating files: 96% (996/1037) Updating files: 97% (1006/1037) Updating files: 98% (1017/1037) Updating files: 99% (1027/1037) Updating files: 100% (1037/1037) Updating files: 100% (1037/1037), done. [INFO] validating manifest of git repo https://github.com/matteo64270/todolist 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/matteo64270/todolist [INFO] finished tweaking git repo https://github.com/matteo64270/todolist [INFO] tweaked toml for git repo https://github.com/matteo64270/todolist written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/matteo64270/todolist 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] eef3294aa008d9f39c15122c3fbf2b352a38b5a7c0050a23ac833e33c23fc0ea [INFO] running `Command { std: "docker" "start" "-a" "eef3294aa008d9f39c15122c3fbf2b352a38b5a7c0050a23ac833e33c23fc0ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eef3294aa008d9f39c15122c3fbf2b352a38b5a7c0050a23ac833e33c23fc0ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eef3294aa008d9f39c15122c3fbf2b352a38b5a7c0050a23ac833e33c23fc0ea", kill_on_drop: false }` [INFO] [stdout] eef3294aa008d9f39c15122c3fbf2b352a38b5a7c0050a23ac833e33c23fc0ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 37a9985dd9e074d41d7e43f26bd18353b076f364ee59a00a4c9b66c313541d5f [INFO] running `Command { std: "docker" "start" "-a" "37a9985dd9e074d41d7e43f26bd18353b076f364ee59a00a4c9b66c313541d5f", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking home v0.5.3 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking serde v1.0.125 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking rusty-journal v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.05s [INFO] running `Command { std: "docker" "inspect" "37a9985dd9e074d41d7e43f26bd18353b076f364ee59a00a4c9b66c313541d5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37a9985dd9e074d41d7e43f26bd18353b076f364ee59a00a4c9b66c313541d5f", kill_on_drop: false }` [INFO] [stdout] 37a9985dd9e074d41d7e43f26bd18353b076f364ee59a00a4c9b66c313541d5f