[INFO] cloning repository https://github.com/security-union/rust-sync-versus-async [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/security-union/rust-sync-versus-async" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsecurity-union%2Frust-sync-versus-async", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsecurity-union%2Frust-sync-versus-async'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a5614d6c6746623bc2c518e53e6088125942dc6c [INFO] checking security-union/rust-sync-versus-async against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsecurity-union%2Frust-sync-versus-async" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/security-union/rust-sync-versus-async on toolchain 506512391b1a75ae450d36c9420978402a91abcc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/security-union/rust-sync-versus-async [INFO] finished tweaking git repo https://github.com/security-union/rust-sync-versus-async [INFO] tweaked toml for git repo https://github.com/security-union/rust-sync-versus-async written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/security-union/rust-sync-versus-async 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" "+506512391b1a75ae450d36c9420978402a91abcc" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded parking_lot_core v0.9.6 [INFO] [stderr] Downloaded tokio v1.24.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e09a08ccc2f87c300e53d68922ccddb3b86d1bf7d9ea087c5d932db1b605f1d7 [INFO] running `Command { std: "docker" "start" "-a" "e09a08ccc2f87c300e53d68922ccddb3b86d1bf7d9ea087c5d932db1b605f1d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e09a08ccc2f87c300e53d68922ccddb3b86d1bf7d9ea087c5d932db1b605f1d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e09a08ccc2f87c300e53d68922ccddb3b86d1bf7d9ea087c5d932db1b605f1d7", kill_on_drop: false }` [INFO] [stdout] e09a08ccc2f87c300e53d68922ccddb3b86d1bf7d9ea087c5d932db1b605f1d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b3253efa45590573ca41b6bfdbd08b9831d694a9c4aa685d9589bd69f58daa0d [INFO] running `Command { std: "docker" "start" "-a" "b3253efa45590573ca41b6bfdbd08b9831d694a9c4aa685d9589bd69f58daa0d", 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 libc v0.2.139 [INFO] [stderr] Compiling syn v1.0.107 [INFO] [stderr] Compiling parking_lot_core v0.9.6 [INFO] [stderr] Compiling tokio v1.24.1 [INFO] [stderr] Checking once_cell v1.17.0 [INFO] [stderr] Compiling cc v1.0.78 [INFO] [stderr] Compiling futures-task v0.3.25 [INFO] [stderr] Checking itoa v1.0.5 [INFO] [stderr] Compiling proc-macro2 v1.0.49 [INFO] [stderr] Compiling futures-util v0.3.25 [INFO] [stderr] Compiling openssl v0.10.45 [INFO] [stderr] Compiling futures-channel v0.3.25 [INFO] [stderr] Checking indexmap v1.9.2 [INFO] [stderr] Compiling serde v1.0.152 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking form_urlencoded v1.1.0 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking unicode-bidi v0.3.8 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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] [stderr] Checking http v0.2.8 [INFO] [stderr] Compiling encoding_rs v0.8.31 [INFO] [stderr] Checking tracing-core v0.1.30 [INFO] [stderr] Compiling anyhow v1.0.68 [INFO] [stderr] Checking base64 v0.13.1 [INFO] [stderr] Checking ipnet v2.7.1 [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" "b3253efa45590573ca41b6bfdbd08b9831d694a9c4aa685d9589bd69f58daa0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3253efa45590573ca41b6bfdbd08b9831d694a9c4aa685d9589bd69f58daa0d", kill_on_drop: false }` [INFO] [stdout] b3253efa45590573ca41b6bfdbd08b9831d694a9c4aa685d9589bd69f58daa0d [INFO] checking security-union/rust-sync-versus-async against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsecurity-union%2Frust-sync-versus-async" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/security-union/rust-sync-versus-async on toolchain dae34b759e282c069aa28752564694effd121a63 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/security-union/rust-sync-versus-async [INFO] finished tweaking git repo https://github.com/security-union/rust-sync-versus-async [INFO] tweaked toml for git repo https://github.com/security-union/rust-sync-versus-async written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/security-union/rust-sync-versus-async 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" "+dae34b759e282c069aa28752564694effd121a63" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0da4db1cd9f2d1a9342e791e9f028e44f7162ec41b713b236e9c918cb9b894e5 [INFO] running `Command { std: "docker" "start" "-a" "0da4db1cd9f2d1a9342e791e9f028e44f7162ec41b713b236e9c918cb9b894e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0da4db1cd9f2d1a9342e791e9f028e44f7162ec41b713b236e9c918cb9b894e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0da4db1cd9f2d1a9342e791e9f028e44f7162ec41b713b236e9c918cb9b894e5", kill_on_drop: false }` [INFO] [stdout] 0da4db1cd9f2d1a9342e791e9f028e44f7162ec41b713b236e9c918cb9b894e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 84a3b374bc9d4fec0773e9ee2c213015f3d7e2544f6625fd4f22a18220e09117 [INFO] running `Command { std: "docker" "start" "-a" "84a3b374bc9d4fec0773e9ee2c213015f3d7e2544f6625fd4f22a18220e09117", 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" "84a3b374bc9d4fec0773e9ee2c213015f3d7e2544f6625fd4f22a18220e09117", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84a3b374bc9d4fec0773e9ee2c213015f3d7e2544f6625fd4f22a18220e09117", kill_on_drop: false }` [INFO] [stdout] 84a3b374bc9d4fec0773e9ee2c213015f3d7e2544f6625fd4f22a18220e09117