[INFO] cloning repository https://github.com/WesleyCh3n/rust-toys [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WesleyCh3n/rust-toys" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWesleyCh3n%2Frust-toys", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWesleyCh3n%2Frust-toys'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2705202d3e44263812afd9fba8b4116dfd9e1a28 [INFO] checking WesleyCh3n/rust-toys against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWesleyCh3n%2Frust-toys" "/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/WesleyCh3n/rust-toys 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/WesleyCh3n/rust-toys [INFO] finished tweaking git repo https://github.com/WesleyCh3n/rust-toys [INFO] tweaked toml for git repo https://github.com/WesleyCh3n/rust-toys written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/WesleyCh3n/rust-toys 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-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8285afea1129482e8565235ab29ab87c067da3f2ee2439f9eaea7f0087dfc6af [INFO] running `Command { std: "docker" "start" "-a" "8285afea1129482e8565235ab29ab87c067da3f2ee2439f9eaea7f0087dfc6af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8285afea1129482e8565235ab29ab87c067da3f2ee2439f9eaea7f0087dfc6af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8285afea1129482e8565235ab29ab87c067da3f2ee2439f9eaea7f0087dfc6af", kill_on_drop: false }` [INFO] [stdout] 8285afea1129482e8565235ab29ab87c067da3f2ee2439f9eaea7f0087dfc6af [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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] deae90f719a73dd0f2b32c42f156166a69f025697c7c9a5835f85deb338679e6 [INFO] running `Command { std: "docker" "start" "-a" "deae90f719a73dd0f2b32c42f156166a69f025697c7c9a5835f85deb338679e6", 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 unicode-ident v1.0.5 [INFO] [stderr] Compiling syn v1.0.104 [INFO] [stderr] Compiling serde_derive v1.0.147 [INFO] [stderr] Compiling serde v1.0.147 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Checking itoa v1.0.4 [INFO] [stderr] Compiling serde_json v1.0.89 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking unsafe-libyaml v0.2.5 [INFO] [stderr] Checking channel v0.1.0 (/opt/rustwide/workdir/channel) [INFO] [stderr] Checking mutex-and-arc v0.1.0 (/opt/rustwide/workdir/mutex-and-arc) [INFO] [stderr] Checking recursion v0.1.0 (/opt/rustwide/workdir/recursion) [INFO] [stdout] warning: unused variable: `hdl` [INFO] [stdout] --> channel/src/main.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let hdl = std::thread::spawn(move || loop { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_hdl` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking atomic-bool v0.1.0 (/opt/rustwide/workdir/atomic-bool) [INFO] [stdout] warning: unused variable: `hdl` [INFO] [stdout] --> channel/src/main.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let hdl = std::thread::spawn(move || loop { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_hdl` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking iter-dir v0.1.0 (/opt/rustwide/workdir/iter-dir) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [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] running `Command { std: "docker" "inspect" "deae90f719a73dd0f2b32c42f156166a69f025697c7c9a5835f85deb338679e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "deae90f719a73dd0f2b32c42f156166a69f025697c7c9a5835f85deb338679e6", kill_on_drop: false }` [INFO] [stdout] deae90f719a73dd0f2b32c42f156166a69f025697c7c9a5835f85deb338679e6 [INFO] checking WesleyCh3n/rust-toys against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWesleyCh3n%2Frust-toys" "/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/WesleyCh3n/rust-toys 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/WesleyCh3n/rust-toys [INFO] finished tweaking git repo https://github.com/WesleyCh3n/rust-toys [INFO] tweaked toml for git repo https://github.com/WesleyCh3n/rust-toys written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/WesleyCh3n/rust-toys 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-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 32cab032909fb0001cb3e117d8cf0769e190ff625a72cf513c00481b12395c7f [INFO] running `Command { std: "docker" "start" "-a" "32cab032909fb0001cb3e117d8cf0769e190ff625a72cf513c00481b12395c7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32cab032909fb0001cb3e117d8cf0769e190ff625a72cf513c00481b12395c7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32cab032909fb0001cb3e117d8cf0769e190ff625a72cf513c00481b12395c7f", kill_on_drop: false }` [INFO] [stdout] 32cab032909fb0001cb3e117d8cf0769e190ff625a72cf513c00481b12395c7f [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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ceb3883ccbbb19f951e58d42da09dce4c41a306e8543abe1dfa209bf2854cf04 [INFO] running `Command { std: "docker" "start" "-a" "ceb3883ccbbb19f951e58d42da09dce4c41a306e8543abe1dfa209bf2854cf04", 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" "ceb3883ccbbb19f951e58d42da09dce4c41a306e8543abe1dfa209bf2854cf04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ceb3883ccbbb19f951e58d42da09dce4c41a306e8543abe1dfa209bf2854cf04", kill_on_drop: false }` [INFO] [stdout] ceb3883ccbbb19f951e58d42da09dce4c41a306e8543abe1dfa209bf2854cf04