[INFO] fetching crate tabwriter-bin 0.2.1...
[INFO] testing tabwriter-bin-0.2.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate tabwriter-bin 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tabwriter-bin 0.2.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-5/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2726988bde20e981406e476861cd6ab5ee1d7b6bfb1cbd7d96255c56e82eb3ab
[INFO] running `Command { std: "docker" "start" "-a" "2726988bde20e981406e476861cd6ab5ee1d7b6bfb1cbd7d96255c56e82eb3ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2726988bde20e981406e476861cd6ab5ee1d7b6bfb1cbd7d96255c56e82eb3ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2726988bde20e981406e476861cd6ab5ee1d7b6bfb1cbd7d96255c56e82eb3ab", kill_on_drop: false }`
[INFO] [stdout] 2726988bde20e981406e476861cd6ab5ee1d7b6bfb1cbd7d96255c56e82eb3ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1435617ee1368ef451a5f83237ac206c39bbde9a1f084af58edba992a4040fa4
[INFO] running `Command { std: "docker" "start" "-a" "1435617ee1368ef451a5f83237ac206c39bbde9a1f084af58edba992a4040fa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling tabwriter v1.2.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling serde v1.0.104
[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 34.58s
[INFO] running `Command { std: "docker" "inspect" "1435617ee1368ef451a5f83237ac206c39bbde9a1f084af58edba992a4040fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1435617ee1368ef451a5f83237ac206c39bbde9a1f084af58edba992a4040fa4", kill_on_drop: false }`
[INFO] [stdout] 1435617ee1368ef451a5f83237ac206c39bbde9a1f084af58edba992a4040fa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06c2d2e0f509e6e035b3048a8271b544a7a1605f8225477178ea251db53fb0dd
[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" "06c2d2e0f509e6e035b3048a8271b544a7a1605f8225477178ea251db53fb0dd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] running `Command { std: "docker" "inspect" "06c2d2e0f509e6e035b3048a8271b544a7a1605f8225477178ea251db53fb0dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06c2d2e0f509e6e035b3048a8271b544a7a1605f8225477178ea251db53fb0dd", kill_on_drop: false }`
[INFO] [stdout] 06c2d2e0f509e6e035b3048a8271b544a7a1605f8225477178ea251db53fb0dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d422cb4b28dd1e69c6e1aba5cbe5309c276fec8117c70686a462bf98f434043a
[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" "d422cb4b28dd1e69c6e1aba5cbe5309c276fec8117c70686a462bf98f434043a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] running `Command { std: "docker" "inspect" "d422cb4b28dd1e69c6e1aba5cbe5309c276fec8117c70686a462bf98f434043a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d422cb4b28dd1e69c6e1aba5cbe5309c276fec8117c70686a462bf98f434043a", kill_on_drop: false }`
[INFO] [stdout] d422cb4b28dd1e69c6e1aba5cbe5309c276fec8117c70686a462bf98f434043a