[INFO] cloning repository https://github.com/TheGrimJam/rustymarks [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheGrimJam/rustymarks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheGrimJam%2Frustymarks", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheGrimJam%2Frustymarks'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cf8012d9c143ff8985cf5b242e2aa95b1e1b1147 [INFO] checking TheGrimJam/rustymarks against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheGrimJam%2Frustymarks" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TheGrimJam/rustymarks 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/TheGrimJam/rustymarks [INFO] finished tweaking git repo https://github.com/TheGrimJam/rustymarks [INFO] tweaked toml for git repo https://github.com/TheGrimJam/rustymarks written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/TheGrimJam/rustymarks 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 bitflags v1.0.5 [INFO] [stderr] Downloaded hashbrown v0.3.0 [INFO] [stderr] Downloaded serde v1.0.90 [INFO] [stderr] Downloaded libc v0.2.54 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7731ed4f425103d9e3d24b5edbbcb0ee669f4c688a67f81e6e6a00c0c0ba8c0c [INFO] running `Command { std: "docker" "start" "-a" "7731ed4f425103d9e3d24b5edbbcb0ee669f4c688a67f81e6e6a00c0c0ba8c0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7731ed4f425103d9e3d24b5edbbcb0ee669f4c688a67f81e6e6a00c0c0ba8c0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7731ed4f425103d9e3d24b5edbbcb0ee669f4c688a67f81e6e6a00c0c0ba8c0c", kill_on_drop: false }` [INFO] [stdout] 7731ed4f425103d9e3d24b5edbbcb0ee669f4c688a67f81e6e6a00c0c0ba8c0c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8f3d47f5b308efbd82b65a48ab95429a7c46a93b4af2c38b1556e8f3f3f50cc7 [INFO] running `Command { std: "docker" "start" "-a" "8f3d47f5b308efbd82b65a48ab95429a7c46a93b4af2c38b1556e8f3f3f50cc7", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling libc v0.2.54 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking hashbrown v0.3.0 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking MARKOV v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/generator.rs:27:6 [INFO] [stdout] | [INFO] [stdout] 27 | for n in 1..15 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:59:6 [INFO] [stdout] | [INFO] [stdout] 59 | for i in 1..10 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `modelVector` should have a snake case name [INFO] [stdout] --> src/models.rs:8:20 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn join_models(modelVector : Vec) -> Model { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `model_vector` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/generator.rs:27:6 [INFO] [stdout] | [INFO] [stdout] 27 | for n in 1..15 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:59:6 [INFO] [stdout] | [INFO] [stdout] 59 | for i in 1..10 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `modelVector` should have a snake case name [INFO] [stdout] --> src/models.rs:8:20 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn join_models(modelVector : Vec) -> Model { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `model_vector` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [optimized + debuginfo] target(s) in 11.22s [INFO] running `Command { std: "docker" "inspect" "8f3d47f5b308efbd82b65a48ab95429a7c46a93b4af2c38b1556e8f3f3f50cc7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f3d47f5b308efbd82b65a48ab95429a7c46a93b4af2c38b1556e8f3f3f50cc7", kill_on_drop: false }` [INFO] [stdout] 8f3d47f5b308efbd82b65a48ab95429a7c46a93b4af2c38b1556e8f3f3f50cc7 [INFO] checking TheGrimJam/rustymarks against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheGrimJam%2Frustymarks" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TheGrimJam/rustymarks on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/TheGrimJam/rustymarks [INFO] finished tweaking git repo https://github.com/TheGrimJam/rustymarks [INFO] tweaked toml for git repo https://github.com/TheGrimJam/rustymarks written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/TheGrimJam/rustymarks 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2ea54e3b34afe58793ed3966a9c3de68ac3c109a5c6ff5e27bd9371f5c8cab0b [INFO] running `Command { std: "docker" "start" "-a" "2ea54e3b34afe58793ed3966a9c3de68ac3c109a5c6ff5e27bd9371f5c8cab0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2ea54e3b34afe58793ed3966a9c3de68ac3c109a5c6ff5e27bd9371f5c8cab0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ea54e3b34afe58793ed3966a9c3de68ac3c109a5c6ff5e27bd9371f5c8cab0b", kill_on_drop: false }` [INFO] [stdout] 2ea54e3b34afe58793ed3966a9c3de68ac3c109a5c6ff5e27bd9371f5c8cab0b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4cf35946d2120b062ec8d7f61ae743d8b7d23ac7dc5078df6e91c7818bd549d6 [INFO] running `Command { std: "docker" "start" "-a" "4cf35946d2120b062ec8d7f61ae743d8b7d23ac7dc5078df6e91c7818bd549d6", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling libc v0.2.54 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking hashbrown v0.3.0 [INFO] [stderr] Checking MARKOV v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/generator.rs:27:6 [INFO] [stdout] | [INFO] [stdout] 27 | for n in 1..15 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:59:6 [INFO] [stdout] | [INFO] [stdout] 59 | for i in 1..10 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `modelVector` should have a snake case name [INFO] [stdout] --> src/models.rs:8:20 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn join_models(modelVector : Vec) -> Model { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `model_vector` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/generator.rs:27:6 [INFO] [stdout] | [INFO] [stdout] 27 | for n in 1..15 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:59:6 [INFO] [stdout] | [INFO] [stdout] 59 | for i in 1..10 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `modelVector` should have a snake case name [INFO] [stdout] --> src/models.rs:8:20 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn join_models(modelVector : Vec) -> Model { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `model_vector` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [optimized + debuginfo] target(s) in 11.90s [INFO] running `Command { std: "docker" "inspect" "4cf35946d2120b062ec8d7f61ae743d8b7d23ac7dc5078df6e91c7818bd549d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cf35946d2120b062ec8d7f61ae743d8b7d23ac7dc5078df6e91c7818bd549d6", kill_on_drop: false }` [INFO] [stdout] 4cf35946d2120b062ec8d7f61ae743d8b7d23ac7dc5078df6e91c7818bd549d6