[INFO] cloning repository https://github.com/wcygan/tub
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wcygan/tub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwcygan%2Ftub", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwcygan%2Ftub'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 709826e037320d737055a4a1ee7fc22857cf9717
[INFO] checking wcygan/tub against try#863511eff87e66198b396935f3b5c8a543022f53 for pr-139493-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwcygan%2Ftub" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wcygan/tub
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/wcygan/tub
[INFO] tweaked toml for git repo https://github.com/wcygan/tub written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wcygan/tub on toolchain 863511eff87e66198b396935f3b5c8a543022f53
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+863511eff87e66198b396935f3b5c8a543022f53" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wcygan/tub 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" "+863511eff87e66198b396935f3b5c8a543022f53" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking wcygan/tub against try#863511eff87e66198b396935f3b5c8a543022f53 for pr-139493-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwcygan%2Ftub" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wcygan/tub
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/wcygan/tub
[INFO] tweaked toml for git repo https://github.com/wcygan/tub written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wcygan/tub on toolchain 863511eff87e66198b396935f3b5c8a543022f53
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+863511eff87e66198b396935f3b5c8a543022f53" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wcygan/tub 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" "+863511eff87e66198b396935f3b5c8a543022f53" "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 fnv v1.0.0
[INFO] [stderr]   Downloaded quote v1.0.0
[INFO] [stderr]   Downloaded parking_lot_core v0.9.0
[INFO] [stderr]   Downloaded async-io v1.0.1
[INFO] [stderr]   Downloaded indexmap v1.5.2
[INFO] [stderr]   Downloaded arc-swap v0.4.0
[INFO] [stderr]   Downloaded bit-vec v0.5.0
[INFO] [stderr]   Downloaded libm v0.2.0
[INFO] [stderr]   Downloaded serde_derive v1.0.156
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[INFO] [stderr]   Downloaded async-executor v1.3.0
[INFO] [stderr]   Downloaded async-std v1.8.0
[INFO] [stderr]   Downloaded async-mutex v1.1.3
[INFO] [stderr]   Downloaded event-listener v1.2.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.0
[INFO] [stderr]   Downloaded polling v1.0.0
[INFO] [stderr]   Downloaded ciborium v0.2.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.36.0
[INFO] [stderr]   Downloaded clap v3.1.0
[INFO] [stderr]   Downloaded dtoa v0.4.0
[INFO] [stderr]   Downloaded serde_json v1.0.0
[INFO] [stderr]   Downloaded bit-set v0.5.0
[INFO] [stderr]   Downloaded futures-task v0.3.27
[INFO] [stderr]   Downloaded either v1.0.0
[INFO] [stderr]   Downloaded async-task v4.0.0
[INFO] [stderr]   Downloaded cc v1.0.0
[INFO] [stderr]   Downloaded anes v0.1.4
[INFO] [stderr]   Downloaded futures-io v0.3.27
[INFO] [stderr]   Downloaded futures-lite v1.11.0
[INFO] [stderr]   Downloaded event-listener v2.4.0
[INFO] [stderr]   Downloaded blocking v1.0.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.36.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.36.0
[INFO] [stderr]   Downloaded fastrand v1.3.4
[INFO] [stderr]   Downloaded multitask v0.2.0
[INFO] [stderr]   Downloaded option-lock v0.1.0
[INFO] [stderr]   Downloaded ciborium-ll v0.2.0
[INFO] [stderr]   Downloaded num-traits v0.1.32
[INFO] [stderr]   Downloaded same-file v1.0.1
[INFO] [stderr]   Downloaded futures-executor v0.3.27
[INFO] [stderr]   Downloaded windows_i686_gnu v0.29.0
[INFO] [stderr]   Downloaded ciborium-io v0.2.0
[INFO] [stderr]   Downloaded bitflags v1.2.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.29.0
[INFO] [stderr]   Downloaded async-global-executor v1.4.0
[INFO] [stderr]   Downloaded walkdir v2.3.0
[INFO] [stderr]   Downloaded futures-macro v0.3.27
[INFO] [stderr]   Downloaded futures-util v0.3.27
[INFO] [stderr]   Downloaded getrandom v0.2.0
[INFO] [stderr]   Downloaded windows-sys v0.29.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.29.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.29.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.29.0
[INFO] [stderr]   Downloaded kv-log-macro v1.0.6
[INFO] [stderr]   Downloaded async-resource v0.1.0
[INFO] [stderr]   Downloaded textwrap v0.14.0
[INFO] [stderr]   Downloaded memoffset v0.5.0
[INFO] [stderr]   Downloaded quick-error v1.2.0
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.1
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.38
[INFO] [stderr]   Downloaded tempfile v3.0.2
[INFO] [stderr]   Downloaded simple-pool v0.0.11
[INFO] [stderr]   Downloaded itoa v0.3.0
[INFO] [stderr]   Downloaded plotters v0.3.1
[INFO] [stderr]   Downloaded rand v0.8.0
[INFO] [stderr]   Downloaded rand v0.4.1
[INFO] [stderr]   Downloaded windows-sys v0.36.0
[INFO] [stderr]   Downloaded redox_termios v0.1.0
[INFO] [stderr]   Downloaded termion v1.5.0
[INFO] [stderr]   Downloaded proptest v1.1.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.36.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.36.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+863511eff87e66198b396935f3b5c8a543022f53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8dd01b205b4c61fab3cd830795bd306cfb3ef1c3f49b307852183b57daa342a
[INFO] running `Command { std: "docker" "start" "-a" "b8dd01b205b4c61fab3cd830795bd306cfb3ef1c3f49b307852183b57daa342a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8dd01b205b4c61fab3cd830795bd306cfb3ef1c3f49b307852183b57daa342a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8dd01b205b4c61fab3cd830795bd306cfb3ef1c3f49b307852183b57daa342a", kill_on_drop: false }`
[INFO] [stdout] b8dd01b205b4c61fab3cd830795bd306cfb3ef1c3f49b307852183b57daa342a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+863511eff87e66198b396935f3b5c8a543022f53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51fc26d1520e726bbee7248cc3ceb9dbaba0de99b76ffa75c420407285ef40d4
[INFO] running `Command { std: "docker" "start" "-a" "51fc26d1520e726bbee7248cc3ceb9dbaba0de99b76ffa75c420407285ef40d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-io v0.3.27
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking arc-swap v0.4.0
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.156
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling memoffset v0.5.0
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]    Compiling parking_lot_core v0.9.0
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]    Compiling serde v1.0.156
[INFO] [stderr]    Compiling libm v0.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]     Checking event-listener v2.4.0
[INFO] [stderr]    Compiling indexmap v1.5.2
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]     Checking async-task v4.0.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking either v1.0.0
[INFO] [stderr]     Checking async-channel v1.5.1
[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" "51fc26d1520e726bbee7248cc3ceb9dbaba0de99b76ffa75c420407285ef40d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51fc26d1520e726bbee7248cc3ceb9dbaba0de99b76ffa75c420407285ef40d4", kill_on_drop: false }`
[INFO] [stdout] 51fc26d1520e726bbee7248cc3ceb9dbaba0de99b76ffa75c420407285ef40d4