[INFO] cloning repository https://github.com/williamhbaker/tokio-redis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/williamhbaker/tokio-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliamhbaker%2Ftokio-redis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliamhbaker%2Ftokio-redis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e203bb5f50040971ab780d1d26e4f7840cb2d80
[INFO] checking williamhbaker/tokio-redis against try#342ed2e8608ee307743c341962b427652cdb06e9 for pr-146562
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliamhbaker%2Ftokio-redis" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/williamhbaker/tokio-redis
[INFO] finished tweaking git repo https://github.com/williamhbaker/tokio-redis
[INFO] tweaked toml for git repo https://github.com/williamhbaker/tokio-redis written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/williamhbaker/tokio-redis on toolchain 342ed2e8608ee307743c341962b427652cdb06e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/williamhbaker/tokio-redis 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" "+342ed2e8608ee307743c341962b427652cdb06e9" "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 proc-macro2 v1.0.50
[INFO] [stderr]   Downloaded tokio-macros v1.8.2
[INFO] [stderr]   Downloaded num_cpus v1.15.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.6
[INFO] [stderr]   Downloaded hermit-abi v0.2.6
[INFO] [stderr]   Downloaded parking_lot_core v0.9.6
[INFO] [stderr]   Downloaded atoi v0.3.3
[INFO] [stderr]   Downloaded tracing-serde v0.1.3
[INFO] [stderr]   Downloaded futures-channel v0.3.26
[INFO] [stderr]   Downloaded concurrent-queue v2.1.0
[INFO] [stderr]   Downloaded futures-io v0.3.26
[INFO] [stderr]   Downloaded futures-sink v0.3.26
[INFO] [stderr]   Downloaded async-stream-impl v0.3.3
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.88
[INFO] [stderr]   Downloaded link-cplusplus v1.0.8
[INFO] [stderr]   Downloaded tokio-stream v0.1.11
[INFO] [stderr]   Downloaded anyhow v1.0.68
[INFO] [stderr]   Downloaded futures v0.3.26
[INFO] [stderr]   Downloaded unicode-segmentation v1.10.0
[INFO] [stderr]   Downloaded ryu v1.0.12
[INFO] [stderr]   Downloaded serde v1.0.152
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.25
[INFO] [stderr]   Downloaded futures-util v0.3.26
[INFO] [stderr]   Downloaded cxx-build v1.0.88
[INFO] [stderr]   Downloaded clap v2.34.0
[INFO] [stderr]   Downloaded chrono v0.4.23
[INFO] [stderr]   Downloaded serde_json v1.0.91
[INFO] [stderr]   Downloaded syn v1.0.107
[INFO] [stderr]   Downloaded structopt v0.3.26
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.88
[INFO] [stderr]   Downloaded mini-redis v0.4.1
[INFO] [stderr]   Downloaded regex v1.7.1
[INFO] [stderr]   Downloaded bytes v1.3.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.14
[INFO] [stderr]   Downloaded async-channel v1.8.0
[INFO] [stderr]   Downloaded futures-executor v0.3.26
[INFO] [stderr]   Downloaded futures-core v0.3.26
[INFO] [stderr]   Downloaded scratch v1.0.3
[INFO] [stderr]   Downloaded once_cell v1.17.0
[INFO] [stderr]   Downloaded futures-macro v0.3.26
[INFO] [stderr]   Downloaded futures-task v0.3.26
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded tokio v1.25.0
[INFO] [stderr]   Downloaded itoa v1.0.5
[INFO] [stderr]   Downloaded async-stream v0.3.3
[INFO] [stderr]   Downloaded libc v0.2.139
[INFO] [stderr]   Downloaded cxx v1.0.88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07bbebc7577faccc24e79b06df6614bcf2777fdeaf4c13f84fad41afd4b22eac
[INFO] running `Command { std: "docker" "start" "-a" "07bbebc7577faccc24e79b06df6614bcf2777fdeaf4c13f84fad41afd4b22eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07bbebc7577faccc24e79b06df6614bcf2777fdeaf4c13f84fad41afd4b22eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07bbebc7577faccc24e79b06df6614bcf2777fdeaf4c13f84fad41afd4b22eac", kill_on_drop: false }`
[INFO] [stdout] 07bbebc7577faccc24e79b06df6614bcf2777fdeaf4c13f84fad41afd4b22eac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f892fac2290d5be026080f7c878721f677d7f4f0f33c29701a138fa9b2dbe59
[INFO] running `Command { std: "docker" "start" "-a" "5f892fac2290d5be026080f7c878721f677d7f4f0f33c29701a138fa9b2dbe59", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.50/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 vec_map v0.8.2
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling heck v0.3.3
[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" "5f892fac2290d5be026080f7c878721f677d7f4f0f33c29701a138fa9b2dbe59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f892fac2290d5be026080f7c878721f677d7f4f0f33c29701a138fa9b2dbe59", kill_on_drop: false }`
[INFO] [stdout] 5f892fac2290d5be026080f7c878721f677d7f4f0f33c29701a138fa9b2dbe59