[INFO] crate fucker 0.4.0 is already in cache
[INFO] testing fucker-0.4.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate fucker 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fucker 0.4.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fucker 0.4.0
[INFO] finished tweaking crates.io crate fucker 0.4.0
[INFO] tweaked toml for crates.io crate fucker 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate fucker 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a4fd8c4fd3cdf965ce92fce696183b747d3e2af8de62b368b8025b7afedc0c6
[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" "9a4fd8c4fd3cdf965ce92fce696183b747d3e2af8de62b368b8025b7afedc0c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a4fd8c4fd3cdf965ce92fce696183b747d3e2af8de62b368b8025b7afedc0c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a4fd8c4fd3cdf965ce92fce696183b747d3e2af8de62b368b8025b7afedc0c6", kill_on_drop: false }`
[INFO] [stdout] 9a4fd8c4fd3cdf965ce92fce696183b747d3e2af8de62b368b8025b7afedc0c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fec3c1aa2c1f747e150d0149934fd05759092ac8385b6c8e9c9c11d0e2774c36
[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" "fec3c1aa2c1f747e150d0149934fd05759092ac8385b6c8e9c9c11d0e2774c36", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling fucker v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.01s
[INFO] running `Command { std: "docker" "inspect" "fec3c1aa2c1f747e150d0149934fd05759092ac8385b6c8e9c9c11d0e2774c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fec3c1aa2c1f747e150d0149934fd05759092ac8385b6c8e9c9c11d0e2774c36", kill_on_drop: false }`
[INFO] [stdout] fec3c1aa2c1f747e150d0149934fd05759092ac8385b6c8e9c9c11d0e2774c36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--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] 7687966a080583f4177937298ca00751b0cf00eff753ab421d5f299226b8806d
[INFO] running `Command { std: "docker" "start" "-a" "7687966a080583f4177937298ca00751b0cf00eff753ab421d5f299226b8806d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "7687966a080583f4177937298ca00751b0cf00eff753ab421d5f299226b8806d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7687966a080583f4177937298ca00751b0cf00eff753ab421d5f299226b8806d", kill_on_drop: false }`
[INFO] [stdout] 7687966a080583f4177937298ca00751b0cf00eff753ab421d5f299226b8806d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a15949e5c9214528415348b570e9c39e9761f3f8d7bc2099b8ccd6294bfdff83
[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" "a15949e5c9214528415348b570e9c39e9761f3f8d7bc2099b8ccd6294bfdff83", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "a15949e5c9214528415348b570e9c39e9761f3f8d7bc2099b8ccd6294bfdff83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a15949e5c9214528415348b570e9c39e9761f3f8d7bc2099b8ccd6294bfdff83", kill_on_drop: false }`
[INFO] [stdout] a15949e5c9214528415348b570e9c39e9761f3f8d7bc2099b8ccd6294bfdff83