[INFO] cloning repository https://github.com/kdnk/rust_introduction [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kdnk/rust_introduction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdnk%2Frust_introduction", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdnk%2Frust_introduction'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4a644f9533c899940a70df93d978e23509f90120 [INFO] checking kdnk/rust_introduction against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdnk%2Frust_introduction" "/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/kdnk/rust_introduction on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kdnk/rust_introduction [INFO] finished tweaking git repo https://github.com/kdnk/rust_introduction [INFO] tweaked toml for git repo https://github.com/kdnk/rust_introduction written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kdnk/rust_introduction 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b0edec2401123934099a5bb75d0b69b206a068618bfb34f85fc8510a4eb0357e [INFO] running `Command { std: "docker" "start" "-a" "b0edec2401123934099a5bb75d0b69b206a068618bfb34f85fc8510a4eb0357e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b0edec2401123934099a5bb75d0b69b206a068618bfb34f85fc8510a4eb0357e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0edec2401123934099a5bb75d0b69b206a068618bfb34f85fc8510a4eb0357e", kill_on_drop: false }` [INFO] [stdout] b0edec2401123934099a5bb75d0b69b206a068618bfb34f85fc8510a4eb0357e [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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 107d486253be3007cc06b6e0323b8654bc5769e4f1475c16bba25431f7f084a2 [INFO] running `Command { std: "docker" "start" "-a" "107d486253be3007cc06b6e0323b8654bc5769e4f1475c16bba25431f7f084a2", kill_on_drop: false }` [INFO] [stderr] Checking rust_introduction v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: couldn't read src/07_ownership/01_value_ownership.rs: No such file or directory (os error 2) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: couldn't read src/07_ownership/02_value_scope.rs: No such file or directory (os error 2) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: couldn't read src/07_ownership/03_copy.rs: No such file or directory (os error 2) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_introduction` (bin "value_ownership") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `rust_introduction` (bin "value_scope") due to 2 previous errors [INFO] [stdout] warning: the item `ToString` is imported redundantly [INFO] [stdout] --> src/08_trait/03_dispatch.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::string::ToString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_introduction` (bin "copy") due to 2 previous errors [INFO] [stdout] error: couldn't read src/07_ownership/02_value_scope.rs: No such file or directory (os error 2) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: couldn't read src/07_ownership/01_value_ownership.rs: No such file or directory (os error 2) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: couldn't read src/07_ownership/toy_vec.rs: No such file or directory (os error 2) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ToString` is imported redundantly [INFO] [stdout] --> src/08_trait/03_dispatch.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::string::ToString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_introduction` (bin "value_scope" test) due to 2 previous errors [INFO] [stderr] error: could not compile `rust_introduction` (bin "value_ownership" test) due to 2 previous errors [INFO] [stdout] error: couldn't read src/07_ownership/04_borrow.rs: No such file or directory (os error 2) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_introduction` (bin "toy_vec") due to 2 previous errors [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_introduction` (bin "borrow" test) due to 2 previous errors [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/08_trait/02_trait_generics.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let data = Box::init("foo"); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/08_trait/02_trait_generics.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let data = Box::::init(0.1); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/08_trait/02_trait_generics.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let data: Box = Init::init(0.1); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `one_u32` [INFO] [stdout] --> src/08_trait/02_trait_generics.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let one_u32: u32 = 1.cast(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_one_u32` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `one_u32` [INFO] [stdout] --> src/08_trait/02_trait_generics.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let one_u32: u64 = 1.cast(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_one_u32` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value passed to `n` is never read [INFO] [stdout] --> src/04_primitive/scalar.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | fn f1(mut n: u32) { [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/08_trait/03_dispatch.rs:8:34 [INFO] [stdout] | [INFO] [stdout] 8 | ::to_string(t) [INFO] [stdout] | ---------------------------- ^ expected `&i32`, found `i32` [INFO] [stdout] | | [INFO] [stdout] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] note: method defined here [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/alloc/src/string.rs:2535:8 [INFO] [stdout] help: consider borrowing here [INFO] [stdout] | [INFO] [stdout] 8 | ::to_string(&t) [INFO] [stdout] | + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/08_trait/03_dispatch.rs:8:34 [INFO] [stdout] | [INFO] [stdout] 8 | ::to_string(t) [INFO] [stdout] | ---------------------------- ^ expected `&i32`, found `i32` [INFO] [stdout] | | [INFO] [stdout] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] note: method defined here [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/alloc/src/string.rs:2535:8 [INFO] [stdout] help: consider borrowing here [INFO] [stdout] | [INFO] [stdout] 8 | ::to_string(&t) [INFO] [stdout] | + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_introduction` (bin "dispatch" test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] error: could not compile `rust_introduction` (bin "dispatch") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "107d486253be3007cc06b6e0323b8654bc5769e4f1475c16bba25431f7f084a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "107d486253be3007cc06b6e0323b8654bc5769e4f1475c16bba25431f7f084a2", kill_on_drop: false }` [INFO] [stdout] 107d486253be3007cc06b6e0323b8654bc5769e4f1475c16bba25431f7f084a2 [INFO] checking kdnk/rust_introduction against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdnk%2Frust_introduction" "/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/kdnk/rust_introduction on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kdnk/rust_introduction [INFO] finished tweaking git repo https://github.com/kdnk/rust_introduction [INFO] tweaked toml for git repo https://github.com/kdnk/rust_introduction written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kdnk/rust_introduction 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b73af9470581865210428979f3f75356aa912fefeb587d8b3182c97c3c5955ac [INFO] running `Command { std: "docker" "start" "-a" "b73af9470581865210428979f3f75356aa912fefeb587d8b3182c97c3c5955ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b73af9470581865210428979f3f75356aa912fefeb587d8b3182c97c3c5955ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b73af9470581865210428979f3f75356aa912fefeb587d8b3182c97c3c5955ac", kill_on_drop: false }` [INFO] [stdout] b73af9470581865210428979f3f75356aa912fefeb587d8b3182c97c3c5955ac [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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9da9c7e78a5ae9265d490c2fdc74e588ef33d53b7e61e0746e784a7be88eef3b [INFO] running `Command { std: "docker" "start" "-a" "9da9c7e78a5ae9265d490c2fdc74e588ef33d53b7e61e0746e784a7be88eef3b", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "9da9c7e78a5ae9265d490c2fdc74e588ef33d53b7e61e0746e784a7be88eef3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9da9c7e78a5ae9265d490c2fdc74e588ef33d53b7e61e0746e784a7be88eef3b", kill_on_drop: false }` [INFO] [stdout] 9da9c7e78a5ae9265d490c2fdc74e588ef33d53b7e61e0746e784a7be88eef3b