[INFO] cloning repository https://github.com/chengzhong001/rust-programming [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chengzhong001/rust-programming" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengzhong001%2Frust-programming", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengzhong001%2Frust-programming'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e9fda6ebbfb5a8d4daf8978ae8f1264547d7a85e [INFO] checking chengzhong001/rust-programming against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengzhong001%2Frust-programming" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chengzhong001/rust-programming 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/chengzhong001/rust-programming [INFO] finished tweaking git repo https://github.com/chengzhong001/rust-programming [INFO] tweaked toml for git repo https://github.com/chengzhong001/rust-programming written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/chengzhong001/rust-programming 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] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5a4019d14d1e6c4d4760701dc58bdba26b9c3babd55bc1a09d7d2e2589269117 [INFO] running `Command { std: "docker" "start" "-a" "5a4019d14d1e6c4d4760701dc58bdba26b9c3babd55bc1a09d7d2e2589269117", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a4019d14d1e6c4d4760701dc58bdba26b9c3babd55bc1a09d7d2e2589269117", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a4019d14d1e6c4d4760701dc58bdba26b9c3babd55bc1a09d7d2e2589269117", kill_on_drop: false }` [INFO] [stdout] 5a4019d14d1e6c4d4760701dc58bdba26b9c3babd55bc1a09d7d2e2589269117 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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] 6e433b3fd70e7dfd552c31e81bf5f7076e5deeaa2631ae1069a4ef8f72402c84 [INFO] running `Command { std: "docker" "start" "-a" "6e433b3fd70e7dfd552c31e81bf5f7076e5deeaa2631ae1069a4ef8f72402c84", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling syn v1.0.103 [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Checking smart_pointer v0.1.0 (/opt/rustwide/workdir/15-smart_pointer) [INFO] [stderr] Checking advanced_features v0.1.0 (/opt/rustwide/workdir/19-advanced_features) [INFO] [stderr] Checking hello_macro v0.1.0 (/opt/rustwide/workdir/19-advanced_features/hello_macro) [INFO] [stderr] Checking generic_traits_lifetime v0.1.0 (/opt/rustwide/workdir/10-generic_traits_lifetime) [INFO] [stderr] Checking iterators_and_closures v0.1.0 (/opt/rustwide/workdir/13-iterators_and_closures) [INFO] [stderr] Checking oop v0.1.0 (/opt/rustwide/workdir/17-oop) [INFO] [stderr] Checking web_server v0.1.0 (/opt/rustwide/workdir/20-web_server) [INFO] [stderr] Checking cargo_and_cargo_io v0.1.0 (/opt/rustwide/workdir/14-cargo_and_cargo_io) [INFO] [stderr] Checking command_line_program v0.1.0 (/opt/rustwide/workdir/12-command_line_program) [INFO] [stderr] Checking packages_crate_modules v0.1.0 (/opt/rustwide/workdir/07-packages_crate_modules) [INFO] [stderr] Checking automated_tests v0.1.0 (/opt/rustwide/workdir/11-automated_tests) [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [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 E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "6e433b3fd70e7dfd552c31e81bf5f7076e5deeaa2631ae1069a4ef8f72402c84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e433b3fd70e7dfd552c31e81bf5f7076e5deeaa2631ae1069a4ef8f72402c84", kill_on_drop: false }` [INFO] [stdout] 6e433b3fd70e7dfd552c31e81bf5f7076e5deeaa2631ae1069a4ef8f72402c84 [INFO] checking chengzhong001/rust-programming against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengzhong001%2Frust-programming" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chengzhong001/rust-programming 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/chengzhong001/rust-programming [INFO] finished tweaking git repo https://github.com/chengzhong001/rust-programming [INFO] tweaked toml for git repo https://github.com/chengzhong001/rust-programming written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/chengzhong001/rust-programming 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] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b804e9f50720c5a1ac8fab6bb3d8ff77ca800fcd235b8f3b63932a08db443b39 [INFO] running `Command { std: "docker" "start" "-a" "b804e9f50720c5a1ac8fab6bb3d8ff77ca800fcd235b8f3b63932a08db443b39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b804e9f50720c5a1ac8fab6bb3d8ff77ca800fcd235b8f3b63932a08db443b39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b804e9f50720c5a1ac8fab6bb3d8ff77ca800fcd235b8f3b63932a08db443b39", kill_on_drop: false }` [INFO] [stdout] b804e9f50720c5a1ac8fab6bb3d8ff77ca800fcd235b8f3b63932a08db443b39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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] 09086c1119420701d259a6ec1245bc0ab8a4b6ce8c1ee57246eb0ea8aef6404e [INFO] running `Command { std: "docker" "start" "-a" "09086c1119420701d259a6ec1245bc0ab8a4b6ce8c1ee57246eb0ea8aef6404e", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] no edition found in manifest, probably 2015, skipping [INFO] running `Command { std: "docker" "inspect" "09086c1119420701d259a6ec1245bc0ab8a4b6ce8c1ee57246eb0ea8aef6404e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09086c1119420701d259a6ec1245bc0ab8a4b6ce8c1ee57246eb0ea8aef6404e", kill_on_drop: false }` [INFO] [stdout] 09086c1119420701d259a6ec1245bc0ab8a4b6ce8c1ee57246eb0ea8aef6404e