[INFO] cloning repository https://github.com/michalfita/todo-unchained
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michalfita/todo-unchained" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichalfita%2Ftodo-unchained", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichalfita%2Ftodo-unchained'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ca108bbb5a315a10313c2be596e2f52d0cf96b1
[INFO] checking michalfita/todo-unchained against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichalfita%2Ftodo-unchained" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michalfita/todo-unchained 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/michalfita/todo-unchained
[INFO] finished tweaking git repo https://github.com/michalfita/todo-unchained
[INFO] tweaked toml for git repo https://github.com/michalfita/todo-unchained written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/michalfita/todo-unchained 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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.58
[INFO] [stderr]   Downloaded syn v1.0.44
[INFO] [stderr]   Downloaded libsqlite3-sys v0.18.0
[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] 78140b78613ace3590613c186593bdccaa82222a666a40568e78a191eea23aca
[INFO] running `Command { std: "docker" "start" "-a" "78140b78613ace3590613c186593bdccaa82222a666a40568e78a191eea23aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78140b78613ace3590613c186593bdccaa82222a666a40568e78a191eea23aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78140b78613ace3590613c186593bdccaa82222a666a40568e78a191eea23aca", kill_on_drop: false }`
[INFO] [stdout] 78140b78613ace3590613c186593bdccaa82222a666a40568e78a191eea23aca
[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] 1efbfd90abb324a762cc7cbe86e15d37aaee3dcc231698f9af2f07a48f82edf8
[INFO] running `Command { std: "docker" "start" "-a" "1efbfd90abb324a762cc7cbe86e15d37aaee3dcc231698f9af2f07a48f82edf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]     Checking diesel v1.4.5
[INFO] [stderr]     Checking migrations_internals v1.4.1
[INFO] [stderr]    Compiling migrations_macros v1.4.2
[INFO] [stderr]     Checking diesel_migrations v1.4.0
[INFO] [stderr]     Checking todo-unchained v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `uuid` is imported redundantly
[INFO] [stdout]  --> src/uuid.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use uuid;
[INFO] [stdout]   |     ^^^^ the item `uuid` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `uuid` is imported redundantly
[INFO] [stdout]  --> src/uuid.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use uuid;
[INFO] [stdout]   |     ^^^^ the item `uuid` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `diesel_migrations` is imported redundantly
[INFO] [stdout]  --> src/db.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[cfg(test)] use diesel_migrations;
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use] extern crate diesel_migrations; // TODO: Unnescessary in Diesel 2.0
[INFO] [stdout]   |              ------------------------------- the item `diesel_migrations` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `establish_connection` is never used
[INFO] [stdout]   --> src/db.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn establish_connection() -> SqliteConnection {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.89s
[INFO] running `Command { std: "docker" "inspect" "1efbfd90abb324a762cc7cbe86e15d37aaee3dcc231698f9af2f07a48f82edf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1efbfd90abb324a762cc7cbe86e15d37aaee3dcc231698f9af2f07a48f82edf8", kill_on_drop: false }`
[INFO] [stdout] 1efbfd90abb324a762cc7cbe86e15d37aaee3dcc231698f9af2f07a48f82edf8
[INFO] checking michalfita/todo-unchained against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichalfita%2Ftodo-unchained" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michalfita/todo-unchained 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/michalfita/todo-unchained
[INFO] finished tweaking git repo https://github.com/michalfita/todo-unchained
[INFO] tweaked toml for git repo https://github.com/michalfita/todo-unchained written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/michalfita/todo-unchained 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] 816794e2d1036f7fd256f59906b05e28604bda9cf58511ce9856cb21f1e3947c
[INFO] running `Command { std: "docker" "start" "-a" "816794e2d1036f7fd256f59906b05e28604bda9cf58511ce9856cb21f1e3947c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "816794e2d1036f7fd256f59906b05e28604bda9cf58511ce9856cb21f1e3947c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "816794e2d1036f7fd256f59906b05e28604bda9cf58511ce9856cb21f1e3947c", kill_on_drop: false }`
[INFO] [stdout] 816794e2d1036f7fd256f59906b05e28604bda9cf58511ce9856cb21f1e3947c
[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] 9a17314b5427a4c65315272517e10340f6c0fb9a483a221d3dbe5ab6ebe1209b
[INFO] running `Command { std: "docker" "start" "-a" "9a17314b5427a4c65315272517e10340f6c0fb9a483a221d3dbe5ab6ebe1209b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking diesel v1.4.5
[INFO] [stderr]     Checking migrations_internals v1.4.1
[INFO] [stderr]    Compiling migrations_macros v1.4.2
[INFO] [stderr]     Checking diesel_migrations v1.4.0
[INFO] [stderr]     Checking todo-unchained v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `uuid` is imported redundantly
[INFO] [stdout]  --> src/uuid.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use uuid;
[INFO] [stdout]   |     ^^^^ the item `uuid` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `uuid` is imported redundantly
[INFO] [stdout]  --> src/uuid.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use uuid;
[INFO] [stdout]   |     ^^^^ the item `uuid` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `diesel_migrations` is imported redundantly
[INFO] [stdout]  --> src/db.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[cfg(test)] use diesel_migrations;
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use] extern crate diesel_migrations; // TODO: Unnescessary in Diesel 2.0
[INFO] [stdout]   |              ------------------------------- the item `diesel_migrations` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `establish_connection` is never used
[INFO] [stdout]   --> src/db.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn establish_connection() -> SqliteConnection {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.94s
[INFO] running `Command { std: "docker" "inspect" "9a17314b5427a4c65315272517e10340f6c0fb9a483a221d3dbe5ab6ebe1209b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a17314b5427a4c65315272517e10340f6c0fb9a483a221d3dbe5ab6ebe1209b", kill_on_drop: false }`
[INFO] [stdout] 9a17314b5427a4c65315272517e10340f6c0fb9a483a221d3dbe5ab6ebe1209b