[INFO] cloning repository https://github.com/banool/signal-take-home
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/banool/signal-take-home" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbanool%2Fsignal-take-home", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbanool%2Fsignal-take-home'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2a3d53cb931825e0c2edfbe402338dc03163939
[INFO] building banool/signal-take-home against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbanool%2Fsignal-take-home" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/banool/signal-take-home on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/banool/signal-take-home
[INFO] finished tweaking git repo https://github.com/banool/signal-take-home
[INFO] tweaked toml for git repo https://github.com/banool/signal-take-home written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/banool/signal-take-home 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4be32412c0eed22f882a1f305332314efa5b3e4511c44460f4d82a254ec6260
[INFO] running `Command { std: "docker" "start" "-a" "d4be32412c0eed22f882a1f305332314efa5b3e4511c44460f4d82a254ec6260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4be32412c0eed22f882a1f305332314efa5b3e4511c44460f4d82a254ec6260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4be32412c0eed22f882a1f305332314efa5b3e4511c44460f4d82a254ec6260", kill_on_drop: false }`
[INFO] [stdout] d4be32412c0eed22f882a1f305332314efa5b3e4511c44460f4d82a254ec6260
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 890c9e541d5d76815ad70fe450d9f84b3d92636ea4cc54ccd3be796e74fe8b98
[INFO] running `Command { std: "docker" "start" "-a" "890c9e541d5d76815ad70fe450d9f84b3d92636ea4cc54ccd3be796e74fe8b98", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling httpdate v1.0.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling hyper v0.14.7
[INFO] [stderr]    Compiling signal-take-home v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.90s
[INFO] running `Command { std: "docker" "inspect" "890c9e541d5d76815ad70fe450d9f84b3d92636ea4cc54ccd3be796e74fe8b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "890c9e541d5d76815ad70fe450d9f84b3d92636ea4cc54ccd3be796e74fe8b98", kill_on_drop: false }`
[INFO] [stdout] 890c9e541d5d76815ad70fe450d9f84b3d92636ea4cc54ccd3be796e74fe8b98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e6ed848b106640235dbb499dcc8db88298ed9993c8fbbf4c07fb7b9b5785108
[INFO] running `Command { std: "docker" "start" "-a" "1e6ed848b106640235dbb499dcc8db88298ed9993c8fbbf4c07fb7b9b5785108", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-take-home v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "1e6ed848b106640235dbb499dcc8db88298ed9993c8fbbf4c07fb7b9b5785108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e6ed848b106640235dbb499dcc8db88298ed9993c8fbbf4c07fb7b9b5785108", kill_on_drop: false }`
[INFO] [stdout] 1e6ed848b106640235dbb499dcc8db88298ed9993c8fbbf4c07fb7b9b5785108