[INFO] cloning repository https://github.com/wzhd/ustcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wzhd/ustcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwzhd%2Fustcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwzhd%2Fustcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65b5ac42483f805b20f640fc9cb98abec6fd167d
[INFO] checking wzhd/ustcp against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwzhd%2Fustcp" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wzhd/ustcp on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wzhd/ustcp
[INFO] finished tweaking git repo https://github.com/wzhd/ustcp
[INFO] tweaked toml for git repo https://github.com/wzhd/ustcp written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/wzhd/ustcp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d804a4de00bab15d3f7c7ae2411f03c9a2c4be9579e0ade7f5b53771fe8684c2
[INFO] running `Command { std: "docker" "start" "-a" "d804a4de00bab15d3f7c7ae2411f03c9a2c4be9579e0ade7f5b53771fe8684c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d804a4de00bab15d3f7c7ae2411f03c9a2c4be9579e0ade7f5b53771fe8684c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d804a4de00bab15d3f7c7ae2411f03c9a2c4be9579e0ade7f5b53771fe8684c2", kill_on_drop: false }`
[INFO] [stdout] d804a4de00bab15d3f7c7ae2411f03c9a2c4be9579e0ade7f5b53771fe8684c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85ab32113e5f0ff0cf235d98c6616c8e1ca14c7f4a03e6b1e2b5bfeffb4ee406
[INFO] running `Command { std: "docker" "start" "-a" "85ab32113e5f0ff0cf235d98c6616c8e1ca14c7f4a03e6b1e2b5bfeffb4ee406", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking managed v0.7.1
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]     Checking ioctl-sys v0.5.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking trilock v0.1.0 (https://github.com/wzhd/trilock.git#dc5b657f)
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling tokio v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking tracing-serde v0.1.1
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking smoltcp v0.7.0 (https://github.com/wzhd/rstcp.git#4f8bb98c)
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking tun v0.4.4
[INFO] [stderr]     Checking tracing-subscriber v0.2.5
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]    Compiling snafu-derive v0.6.6
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking tracing v0.1.13
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr]     Checking pin-project v0.4.9
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking snafu v0.6.6
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tokio-fd v0.3.0
[INFO] [stderr]     Checking tokio-stream v0.1.3
[INFO] [stderr]     Checking tokio-util v0.6.3
[INFO] [stderr]     Checking ustunet v0.2.0 (/opt/rustwide/workdir/ustunet)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "85ab32113e5f0ff0cf235d98c6616c8e1ca14c7f4a03e6b1e2b5bfeffb4ee406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ab32113e5f0ff0cf235d98c6616c8e1ca14c7f4a03e6b1e2b5bfeffb4ee406", kill_on_drop: false }`
[INFO] [stdout] 85ab32113e5f0ff0cf235d98c6616c8e1ca14c7f4a03e6b1e2b5bfeffb4ee406