[INFO] crate tabwriter-bin 0.2.1 is already in cache
[INFO] testing tabwriter-bin-0.2.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate tabwriter-bin 0.2.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate tabwriter-bin 0.2.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tabwriter-bin 0.2.1
[INFO] finished tweaking crates.io crate tabwriter-bin 0.2.1
[INFO] tweaked toml for crates.io crate tabwriter-bin 0.2.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate tabwriter-bin 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2cd5a0dd516cebbd3b5c1164382a35a414d7ba6a046a93b6db062e60890ede7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a2cd5a0dd516cebbd3b5c1164382a35a414d7ba6a046a93b6db062e60890ede7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2cd5a0dd516cebbd3b5c1164382a35a414d7ba6a046a93b6db062e60890ede7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2cd5a0dd516cebbd3b5c1164382a35a414d7ba6a046a93b6db062e60890ede7", kill_on_drop: false }`
[INFO] [stdout] a2cd5a0dd516cebbd3b5c1164382a35a414d7ba6a046a93b6db062e60890ede7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1f3387a3c80cbd3e79b0226bdd281d97e340c1f938333e11ca579f179ae004f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c1f3387a3c80cbd3e79b0226bdd281d97e340c1f938333e11ca579f179ae004f", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling tabwriter v1.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling tabwriter-bin v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.68s
[INFO] running `Command { std: "docker" "inspect" "c1f3387a3c80cbd3e79b0226bdd281d97e340c1f938333e11ca579f179ae004f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1f3387a3c80cbd3e79b0226bdd281d97e340c1f938333e11ca579f179ae004f", kill_on_drop: false }`
[INFO] [stdout] c1f3387a3c80cbd3e79b0226bdd281d97e340c1f938333e11ca579f179ae004f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a3a606eb373e2b4384f613bb502e866964c9f486cdb2f18d006429411e7246f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6a3a606eb373e2b4384f613bb502e866964c9f486cdb2f18d006429411e7246f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] running `Command { std: "docker" "inspect" "6a3a606eb373e2b4384f613bb502e866964c9f486cdb2f18d006429411e7246f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3a606eb373e2b4384f613bb502e866964c9f486cdb2f18d006429411e7246f", kill_on_drop: false }`
[INFO] [stdout] 6a3a606eb373e2b4384f613bb502e866964c9f486cdb2f18d006429411e7246f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1bbcc10001c641423849491e9ef4243851ba43bf23b58479bfcbda1774b74ffb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1bbcc10001c641423849491e9ef4243851ba43bf23b58479bfcbda1774b74ffb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "1bbcc10001c641423849491e9ef4243851ba43bf23b58479bfcbda1774b74ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bbcc10001c641423849491e9ef4243851ba43bf23b58479bfcbda1774b74ffb", kill_on_drop: false }`
[INFO] [stdout] 1bbcc10001c641423849491e9ef4243851ba43bf23b58479bfcbda1774b74ffb