[INFO] cloning repository https://github.com/FrankYang4/learning-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FrankYang4/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrankYang4%2Flearning-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrankYang4%2Flearning-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 17008ef4e40720b3cc35879685621cb06d8b553b [INFO] testing FrankYang4/learning-rust against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrankYang4%2Flearning-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/FrankYang4/learning-rust on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/FrankYang4/learning-rust [INFO] finished tweaking git repo https://github.com/FrankYang4/learning-rust [INFO] tweaked toml for git repo https://github.com/FrankYang4/learning-rust written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/FrankYang4/learning-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 315cc6519b36d4d5785a609d08a61094e94b24ae89ed44b6c22519087e41af17 [INFO] running `Command { std: "docker" "start" "-a" "315cc6519b36d4d5785a609d08a61094e94b24ae89ed44b6c22519087e41af17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "315cc6519b36d4d5785a609d08a61094e94b24ae89ed44b6c22519087e41af17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "315cc6519b36d4d5785a609d08a61094e94b24ae89ed44b6c22519087e41af17", kill_on_drop: false }` [INFO] [stdout] 315cc6519b36d4d5785a609d08a61094e94b24ae89ed44b6c22519087e41af17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 11834648a0b23779682d044f1209c6a5ceb2dd57cc45d702e54747e3907103c4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "11834648a0b23779682d044f1209c6a5ceb2dd57cc45d702e54747e3907103c4", kill_on_drop: false }` [INFO] [stderr] Compiling learning_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `Command { std: "docker" "inspect" "11834648a0b23779682d044f1209c6a5ceb2dd57cc45d702e54747e3907103c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11834648a0b23779682d044f1209c6a5ceb2dd57cc45d702e54747e3907103c4", kill_on_drop: false }` [INFO] [stdout] 11834648a0b23779682d044f1209c6a5ceb2dd57cc45d702e54747e3907103c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f7b9752018832e04a2431a9b3fcad9e55239900d53ca10fe19717f68cece1c33 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f7b9752018832e04a2431a9b3fcad9e55239900d53ca10fe19717f68cece1c33", kill_on_drop: false }` [INFO] [stderr] Compiling learning_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: unexpected token: `...` [INFO] [stdout] --> examples/for_loop.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | for i in 0...10 { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] help: use `..` for an exclusive range [INFO] [stdout] | [INFO] [stdout] 3 | for i in 0..10 { [INFO] [stdout] | ~~ [INFO] [stdout] help: or `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] 3 | for i in 0..=10 { [INFO] [stdout] | ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unexpected token: `...` [INFO] [stdout] --> examples/array.rs:10:21 [INFO] [stdout] | [INFO] [stdout] 10 | &arr2[1...2]); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] help: use `..` for an exclusive range [INFO] [stdout] | [INFO] [stdout] 10 | &arr2[1..2]); [INFO] [stdout] | ~~ [INFO] [stdout] help: or `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] 10 | &arr2[1..=2]); [INFO] [stdout] | ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `learning_rust` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> examples/match_pattern.rs:26:14 [INFO] [stdout] | [INFO] [stdout] 26 | d @ 1...5 => println!("weekday {}", d), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> examples/traits.rs:7:19 [INFO] [stdout] | [INFO] [stdout] 7 | fn sub(&self, Number) -> i32; [INFO] [stdout] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Number` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> examples/traits.rs:11:19 [INFO] [stdout] | [INFO] [stdout] 11 | fn add(&self, Number) -> i32; [INFO] [stdout] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Number` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: floating-point types cannot be used in patterns [INFO] [stdout] --> examples/match_pattern.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | (1.2, y) => println!("x is 1.2, y is {}", y), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #41620 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: floating-point types cannot be used in patterns [INFO] [stdout] --> examples/match_pattern.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | (x, 4.3) => println!("x is {}, y is 4.3", x), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #41620 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/vec.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | let mut v5 = &mut v4; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "f7b9752018832e04a2431a9b3fcad9e55239900d53ca10fe19717f68cece1c33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7b9752018832e04a2431a9b3fcad9e55239900d53ca10fe19717f68cece1c33", kill_on_drop: false }` [INFO] [stdout] f7b9752018832e04a2431a9b3fcad9e55239900d53ca10fe19717f68cece1c33