[INFO] cloning repository https://github.com/lffg2/rust-playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lffg2/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flffg2%2Frust-playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flffg2%2Frust-playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8da20ed9052ad10063c7472756b45a5b94aa6501 [INFO] checking lffg2/rust-playground against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flffg2%2Frust-playground" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lffg2/rust-playground 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/lffg2/rust-playground [INFO] finished tweaking git repo https://github.com/lffg2/rust-playground [INFO] tweaked toml for git repo https://github.com/lffg2/rust-playground written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lffg2/rust-playground 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded slab v0.4.8 [INFO] [stderr] Downloaded quote v1.0.26 [INFO] [stderr] Downloaded tokio-macros v2.0.0 [INFO] [stderr] Downloaded futures v0.3.28 [INFO] [stderr] Downloaded futures-task v0.3.28 [INFO] [stderr] Downloaded futures-util v0.3.28 [INFO] [stderr] Downloaded tokio v1.27.0 [INFO] [stderr] Downloaded itoa v1.0.6 [INFO] [stderr] Downloaded serde_derive v1.0.160 [INFO] [stderr] Downloaded serde v1.0.160 [INFO] [stderr] Downloaded regex-syntax v0.6.28 [INFO] [stderr] Downloaded regex v1.7.0 [INFO] [stderr] Downloaded tracing-attributes v0.1.23 [INFO] [stderr] Downloaded ryu v1.0.13 [INFO] [stderr] Downloaded serde_json v1.0.96 [INFO] [stderr] Downloaded matchers v0.1.0 [INFO] [stderr] Downloaded thread_local v1.1.4 [INFO] [stderr] Downloaded tracing-core v0.1.30 [INFO] [stderr] Downloaded tracing-log v0.1.3 [INFO] [stderr] Downloaded tracing-subscriber v0.3.16 [INFO] [stderr] Downloaded futures-channel v0.3.28 [INFO] [stderr] Downloaded futures-core v0.3.28 [INFO] [stderr] Downloaded futures-io v0.3.28 [INFO] [stderr] Downloaded futures-sink v0.3.28 [INFO] [stderr] Downloaded num_cpus v1.14.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f5ce429c4d38fe6ee0abde9fdd35026ea7fe70ab456f334d21c3e4c7e594c148 [INFO] running `Command { std: "docker" "start" "-a" "f5ce429c4d38fe6ee0abde9fdd35026ea7fe70ab456f334d21c3e4c7e594c148", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f5ce429c4d38fe6ee0abde9fdd35026ea7fe70ab456f334d21c3e4c7e594c148", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5ce429c4d38fe6ee0abde9fdd35026ea7fe70ab456f334d21c3e4c7e594c148", kill_on_drop: false }` [INFO] [stdout] f5ce429c4d38fe6ee0abde9fdd35026ea7fe70ab456f334d21c3e4c7e594c148 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 116b1420e4b3b6fee167978de93f7a0308a1a9093b3dd5aaf376a0787f9ebfbc [INFO] running `Command { std: "docker" "start" "-a" "116b1420e4b3b6fee167978de93f7a0308a1a9093b3dd5aaf376a0787f9ebfbc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.56 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling quote v1.0.26 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling libc v0.2.138 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling syn v1.0.105 [INFO] [stderr] Checking once_cell v1.16.0 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Compiling serde_derive v1.0.160 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling tokio v1.27.0 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling serde v1.0.160 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Compiling serde_json v1.0.96 [INFO] [stderr] Checking tracing-core v0.1.30 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking itoa v1.0.6 [INFO] [stderr] Checking ryu v1.0.13 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Checking lib-and-main-ex1 v0.1.0 (/opt/rustwide/workdir/experiments/lib-and-main-ex1) [INFO] [stderr] Checking ast-visitor-etc v0.1.0 (/opt/rustwide/workdir/experiments/ast-visitor-etc) [INFO] [stderr] Checking signed-vs-unsigned v0.1.0 (/opt/rustwide/workdir/experiments/signed-vs-unsigned) [INFO] [stderr] Checking panic-catching v0.1.0 (/opt/rustwide/workdir/experiments/panic-catching) [INFO] [stderr] Checking stdin-take-nums v0.1.0 (/opt/rustwide/workdir/experiments/stdin-take-nums) [INFO] [stderr] Checking bin-alarms v0.1.0 (/opt/rustwide/workdir/experiments/bitwise-alarms) [INFO] [stderr] Checking string-builder v0.1.0 (/opt/rustwide/workdir/experiments/string-builder) [INFO] [stderr] Checking stack-overflow v0.1.0 (/opt/rustwide/workdir/experiments/stack-overflow) [INFO] [stderr] Checking cidr v0.1.0 (/opt/rustwide/workdir/experiments/cidr) [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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 iter-freq v0.1.0 (/opt/rustwide/workdir/experiments/iter-freq) [INFO] [stderr] Checking collatz-toctou v0.1.0 (/opt/rustwide/workdir/experiments/collatz-toctou) [INFO] [stderr] Checking cursor-seek v0.1.0 (/opt/rustwide/workdir/experiments/cursor-seek) [INFO] [stderr] Checking iter-fib v0.1.0 (/opt/rustwide/workdir/experiments/iter-fib) [INFO] [stderr] Checking lang-parens v0.1.0 (/opt/rustwide/workdir/experiments/lang-parens) [INFO] [stderr] Checking iter-with-last v0.1.0 (/opt/rustwide/workdir/experiments/iter-with-last) [INFO] [stderr] Checking multi-test v0.1.0 (/opt/rustwide/workdir/experiments/multi-test) [INFO] [stderr] Checking trait-assoc-types-and-generics v0.1.0 (/opt/rustwide/workdir/experiments/trait-assoc-types-and-generics) [INFO] [stderr] Checking check-brackets v0.1.0 (/opt/rustwide/workdir/experiments/check-brackets) [INFO] [stderr] Checking iter-to-arr v0.1.0 (/opt/rustwide/workdir/experiments/iter-to-arr) [INFO] [stderr] Checking lambda-int1 v0.1.0 (/opt/rustwide/workdir/experiments/lambda-int1) [INFO] [stderr] Checking poly-into-iterator v0.1.0 (/opt/rustwide/workdir/experiments/poly-into-iterator) [INFO] [stderr] Checking tracing-log v0.1.3 [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] Checking binary-search-index v0.1.0 (/opt/rustwide/workdir/experiments/binary-search-index) [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" "116b1420e4b3b6fee167978de93f7a0308a1a9093b3dd5aaf376a0787f9ebfbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "116b1420e4b3b6fee167978de93f7a0308a1a9093b3dd5aaf376a0787f9ebfbc", kill_on_drop: false }` [INFO] [stdout] 116b1420e4b3b6fee167978de93f7a0308a1a9093b3dd5aaf376a0787f9ebfbc [INFO] checking lffg2/rust-playground against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flffg2%2Frust-playground" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lffg2/rust-playground 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/lffg2/rust-playground [INFO] finished tweaking git repo https://github.com/lffg2/rust-playground [INFO] tweaked toml for git repo https://github.com/lffg2/rust-playground written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/lffg2/rust-playground 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] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d7fd9cb0feea7ffa9ad540583b02283fe37f5606dbffd490bab82f279dca04db [INFO] running `Command { std: "docker" "start" "-a" "d7fd9cb0feea7ffa9ad540583b02283fe37f5606dbffd490bab82f279dca04db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d7fd9cb0feea7ffa9ad540583b02283fe37f5606dbffd490bab82f279dca04db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7fd9cb0feea7ffa9ad540583b02283fe37f5606dbffd490bab82f279dca04db", kill_on_drop: false }` [INFO] [stdout] d7fd9cb0feea7ffa9ad540583b02283fe37f5606dbffd490bab82f279dca04db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c61687dd697dd9287e600b26241e99b2c421ea0eafd249a452ab49a3e3971f32 [INFO] running `Command { std: "docker" "start" "-a" "c61687dd697dd9287e600b26241e99b2c421ea0eafd249a452ab49a3e3971f32", 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" "c61687dd697dd9287e600b26241e99b2c421ea0eafd249a452ab49a3e3971f32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c61687dd697dd9287e600b26241e99b2c421ea0eafd249a452ab49a3e3971f32", kill_on_drop: false }` [INFO] [stdout] c61687dd697dd9287e600b26241e99b2c421ea0eafd249a452ab49a3e3971f32