[INFO] cloning repository https://github.com/efagerho/actix-pong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/efagerho/actix-pong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fefagerho%2Factix-pong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fefagerho%2Factix-pong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22656d8d6b0d63ade9d54c12741eae2729a6c391
[INFO] checking efagerho/actix-pong against try#fa4dd1f19bfeb3fd235dc7f1406c42404436bef5 for pr-145108-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fefagerho%2Factix-pong" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/efagerho/actix-pong
[INFO] finished tweaking git repo https://github.com/efagerho/actix-pong
[INFO] tweaked toml for git repo https://github.com/efagerho/actix-pong written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/efagerho/actix-pong on toolchain fa4dd1f19bfeb3fd235dc7f1406c42404436bef5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/efagerho/actix-pong 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" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cookie v0.16.1
[INFO] [stderr]   Downloaded serde_json v1.0.89
[INFO] [stderr]   Downloaded paste v1.0.9
[INFO] [stderr]   Downloaded actix-server v2.1.1
[INFO] [stderr]   Downloaded semver v1.0.14
[INFO] [stderr]   Downloaded actix-web v4.2.1
[INFO] [stderr]   Downloaded actix-http v3.2.2
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.2
[INFO] [stderr]   Downloaded zstd-sys v2.0.3+zstd.1.5.2
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e225c6858c7357a2c4cc89dad03146e2ec03f7b63d24ffe31d832e627d03c62b
[INFO] running `Command { std: "docker" "start" "-a" "e225c6858c7357a2c4cc89dad03146e2ec03f7b63d24ffe31d832e627d03c62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e225c6858c7357a2c4cc89dad03146e2ec03f7b63d24ffe31d832e627d03c62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e225c6858c7357a2c4cc89dad03146e2ec03f7b63d24ffe31d832e627d03c62b", kill_on_drop: false }`
[INFO] [stdout] e225c6858c7357a2c4cc89dad03146e2ec03f7b63d24ffe31d832e627d03c62b
[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=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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2b675bd43c0cdfc10595cd1a7a1d95b9fe8f8b3c054305ae58d38ad0ed03877
[INFO] running `Command { std: "docker" "start" "-a" "c2b675bd43c0cdfc10595cd1a7a1d95b9fe8f8b3c054305ae58d38ad0ed03877", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling tokio v1.22.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]     Checking parking_lot_core v0.9.4
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking parking_lot v0.12.1
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c2b675bd43c0cdfc10595cd1a7a1d95b9fe8f8b3c054305ae58d38ad0ed03877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b675bd43c0cdfc10595cd1a7a1d95b9fe8f8b3c054305ae58d38ad0ed03877", kill_on_drop: false }`
[INFO] [stdout] c2b675bd43c0cdfc10595cd1a7a1d95b9fe8f8b3c054305ae58d38ad0ed03877