[INFO] cloning repository https://github.com/PiZep/rust_exercices [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PiZep/rust_exercices" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPiZep%2Frust_exercices", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPiZep%2Frust_exercices'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7772806e056ac28847be7fa689aba29e5ab2bee4 [INFO] checking PiZep/rust_exercices against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPiZep%2Frust_exercices" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PiZep/rust_exercices 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/PiZep/rust_exercices [INFO] finished tweaking git repo https://github.com/PiZep/rust_exercices [INFO] tweaked toml for git repo https://github.com/PiZep/rust_exercices written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/PiZep/rust_exercices 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] Downloading crates ... [INFO] [stderr] Downloaded getrandom v0.1.13 [INFO] [stderr] Downloaded wasi v0.7.0 [INFO] [stderr] Downloaded rand v0.7.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8078658a85c2e1071d10ef1a1151eb8d76700e5b9ca03852cbc41c877797013b [INFO] running `Command { std: "docker" "start" "-a" "8078658a85c2e1071d10ef1a1151eb8d76700e5b9ca03852cbc41c877797013b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8078658a85c2e1071d10ef1a1151eb8d76700e5b9ca03852cbc41c877797013b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8078658a85c2e1071d10ef1a1151eb8d76700e5b9ca03852cbc41c877797013b", kill_on_drop: false }` [INFO] [stdout] 8078658a85c2e1071d10ef1a1151eb8d76700e5b9ca03852cbc41c877797013b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2b995b41e3dd5e70eecdd942ca2a810cdfb8c6415b7b84b5f88ad8e258eff55f [INFO] running `Command { std: "docker" "start" "-a" "2b995b41e3dd5e70eecdd942ca2a810cdfb8c6415b7b84b5f88ad8e258eff55f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking collections_ex v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `num` is never read [INFO] [stdout] --> src/integer_list.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let mut num: u8 = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `range` is never read [INFO] [stdout] --> src/integer_list.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let mut range: i64 = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `num` is never read [INFO] [stdout] --> src/integer_list.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let mut num: u8 = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `range` is never read [INFO] [stdout] --> src/integer_list.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let mut range: i64 = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [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 1.29s [INFO] running `Command { std: "docker" "inspect" "2b995b41e3dd5e70eecdd942ca2a810cdfb8c6415b7b84b5f88ad8e258eff55f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b995b41e3dd5e70eecdd942ca2a810cdfb8c6415b7b84b5f88ad8e258eff55f", kill_on_drop: false }` [INFO] [stdout] 2b995b41e3dd5e70eecdd942ca2a810cdfb8c6415b7b84b5f88ad8e258eff55f [INFO] checking PiZep/rust_exercices against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPiZep%2Frust_exercices" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PiZep/rust_exercices on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/PiZep/rust_exercices [INFO] finished tweaking git repo https://github.com/PiZep/rust_exercices [INFO] tweaked toml for git repo https://github.com/PiZep/rust_exercices written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/PiZep/rust_exercices 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3791445d10825c629dbe80625aceb426fca22f1f0eeb7cd5066ac385603290f8 [INFO] running `Command { std: "docker" "start" "-a" "3791445d10825c629dbe80625aceb426fca22f1f0eeb7cd5066ac385603290f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3791445d10825c629dbe80625aceb426fca22f1f0eeb7cd5066ac385603290f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3791445d10825c629dbe80625aceb426fca22f1f0eeb7cd5066ac385603290f8", kill_on_drop: false }` [INFO] [stdout] 3791445d10825c629dbe80625aceb426fca22f1f0eeb7cd5066ac385603290f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b6de34e7f92b4288b849fd5170461cce7fc6ae2703e4fbf87f70054ce4a3dc94 [INFO] running `Command { std: "docker" "start" "-a" "b6de34e7f92b4288b849fd5170461cce7fc6ae2703e4fbf87f70054ce4a3dc94", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking collections_ex v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> src/integer_list.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | / if val > 0 { [INFO] [stdout] 19 | | num = val; [INFO] [stdout] 20 | | break; [INFO] [stdout] 21 | | } else { [INFO] [stdout] 22 | | println!("Answer must be positive."); [INFO] [stdout] 23 | | continue; [INFO] [stdout] 24 | | } [INFO] [stdout] | |_________________^ cannot satisfy `_ -> _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> src/integer_list.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | / if val > 0 { [INFO] [stdout] 19 | | num = val; [INFO] [stdout] 20 | | break; [INFO] [stdout] 21 | | } else { [INFO] [stdout] 22 | | println!("Answer must be positive."); [INFO] [stdout] 23 | | continue; [INFO] [stdout] 24 | | } [INFO] [stdout] | |_________________^ cannot satisfy `_ -> _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0284`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0284`. [INFO] [stdout] [INFO] [stderr] error: could not compile `collections_ex` (bin "collections_ex") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `collections_ex` (bin "collections_ex" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "b6de34e7f92b4288b849fd5170461cce7fc6ae2703e4fbf87f70054ce4a3dc94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6de34e7f92b4288b849fd5170461cce7fc6ae2703e4fbf87f70054ce4a3dc94", kill_on_drop: false }` [INFO] [stdout] b6de34e7f92b4288b849fd5170461cce7fc6ae2703e4fbf87f70054ce4a3dc94