[INFO] fetching crate rex-regextract 0.1.1...
[INFO] checking rex-regextract-0.1.1 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate rex-regextract 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rex-regextract 0.1.1 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rex-regextract 0.1.1
[INFO] finished tweaking crates.io crate rex-regextract 0.1.1
[INFO] tweaked toml for crates.io crate rex-regextract 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rex-regextract 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63568afaa75652a70658e492cc360c7be52483115e7e149dbbbda8d3e56b1802
[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" "63568afaa75652a70658e492cc360c7be52483115e7e149dbbbda8d3e56b1802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63568afaa75652a70658e492cc360c7be52483115e7e149dbbbda8d3e56b1802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63568afaa75652a70658e492cc360c7be52483115e7e149dbbbda8d3e56b1802", kill_on_drop: false }`
[INFO] [stdout] 63568afaa75652a70658e492cc360c7be52483115e7e149dbbbda8d3e56b1802
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87883dd24fdab62458fffed0c4937e15ba20bf9698e8bfcd3d3743b0f2eb2175
[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" "87883dd24fdab62458fffed0c4937e15ba20bf9698e8bfcd3d3743b0f2eb2175", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling eyre v0.6.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking indenter v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking rex-regextract v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.97s
[INFO] running `Command { std: "docker" "inspect" "87883dd24fdab62458fffed0c4937e15ba20bf9698e8bfcd3d3743b0f2eb2175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87883dd24fdab62458fffed0c4937e15ba20bf9698e8bfcd3d3743b0f2eb2175", kill_on_drop: false }`
[INFO] [stdout] 87883dd24fdab62458fffed0c4937e15ba20bf9698e8bfcd3d3743b0f2eb2175