[INFO] cloning repository https://github.com/ekusiadadus/tokio-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ekusiadadus/tokio-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekusiadadus%2Ftokio-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekusiadadus%2Ftokio-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0976a991f755406f0e46efac6035d6b2ededeac4
[INFO] building ekusiadadus/tokio-rust against master#70591dc15db32941fe3595fdbf98e58d6975f95e for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekusiadadus%2Ftokio-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ekusiadadus/tokio-rust on toolchain 70591dc15db32941fe3595fdbf98e58d6975f95e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ekusiadadus/tokio-rust
[INFO] finished tweaking git repo https://github.com/ekusiadadus/tokio-rust
[INFO] tweaked toml for git repo https://github.com/ekusiadadus/tokio-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ekusiadadus/tokio-rust 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" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] building ekusiadadus/tokio-rust against try#7587ff3622fbec0abf6ac551eab5226f22f5d958 for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekusiadadus%2Ftokio-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ekusiadadus/tokio-rust on toolchain 7587ff3622fbec0abf6ac551eab5226f22f5d958
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ekusiadadus/tokio-rust
[INFO] finished tweaking git repo https://github.com/ekusiadadus/tokio-rust
[INFO] tweaked toml for git repo https://github.com/ekusiadadus/tokio-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ekusiadadus/tokio-rust 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" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "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
[ERROR] error running command: no output for 300 seconds
[INFO] building ekusiadadus/tokio-rust against try#7587ff3622fbec0abf6ac551eab5226f22f5d958 for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekusiadadus%2Ftokio-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ekusiadadus/tokio-rust on toolchain 7587ff3622fbec0abf6ac551eab5226f22f5d958
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ekusiadadus/tokio-rust
[INFO] finished tweaking git repo https://github.com/ekusiadadus/tokio-rust
[INFO] tweaked toml for git repo https://github.com/ekusiadadus/tokio-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ekusiadadus/tokio-rust 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" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f8795a3b0c642ed31cec7c3ecbbf225ec2035d6d478ba71b0227fb4ded53cce
[INFO] running `Command { std: "docker" "start" "-a" "1f8795a3b0c642ed31cec7c3ecbbf225ec2035d6d478ba71b0227fb4ded53cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f8795a3b0c642ed31cec7c3ecbbf225ec2035d6d478ba71b0227fb4ded53cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f8795a3b0c642ed31cec7c3ecbbf225ec2035d6d478ba71b0227fb4ded53cce", kill_on_drop: false }`
[INFO] [stdout] 1f8795a3b0c642ed31cec7c3ecbbf225ec2035d6d478ba71b0227fb4ded53cce
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8021f38f0abd9a02cf39b9cf9c691a756908695be7d4b33b6ac88895fdb4578
[INFO] running `Command { std: "docker" "start" "-a" "b8021f38f0abd9a02cf39b9cf9c691a756908695be7d4b33b6ac88895fdb4578", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling once_cell v1.11.0
[INFO] [stderr]    Compiling tracing-core v0.1.26
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling mio v0.8.3
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling atoi v0.3.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-serde v0.1.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling async-stream v0.3.3
[INFO] [stderr]    Compiling tokio v1.18.2
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling tracing v0.1.34
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling tokio-stream v0.1.8
[INFO] [stderr]    Compiling mini-redis v0.4.1
[INFO] [stderr]    Compiling tokio-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.82s
[INFO] running `Command { std: "docker" "inspect" "b8021f38f0abd9a02cf39b9cf9c691a756908695be7d4b33b6ac88895fdb4578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8021f38f0abd9a02cf39b9cf9c691a756908695be7d4b33b6ac88895fdb4578", kill_on_drop: false }`
[INFO] [stdout] b8021f38f0abd9a02cf39b9cf9c691a756908695be7d4b33b6ac88895fdb4578
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f04019e77d22f0815f0ee0246e1937b92f8798f1102c54d4c8d5029b62108e6d
[INFO] running `Command { std: "docker" "start" "-a" "f04019e77d22f0815f0ee0246e1937b92f8798f1102c54d4c8d5029b62108e6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "f04019e77d22f0815f0ee0246e1937b92f8798f1102c54d4c8d5029b62108e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04019e77d22f0815f0ee0246e1937b92f8798f1102c54d4c8d5029b62108e6d", kill_on_drop: false }`
[INFO] [stdout] f04019e77d22f0815f0ee0246e1937b92f8798f1102c54d4c8d5029b62108e6d