[INFO] fetching crate btwn 0.4.0...
[INFO] checking btwn-0.4.0 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate btwn 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate btwn 0.4.0 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btwn 0.4.0
[INFO] finished tweaking crates.io crate btwn 0.4.0
[INFO] tweaked toml for crates.io crate btwn 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate btwn 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.6
[INFO] [stderr]   Downloaded structopt v0.3.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52e7fd620e1c6445e3885e7ac35732ffb608fbf8494889a27c05c9a9b0b55ea0
[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" "52e7fd620e1c6445e3885e7ac35732ffb608fbf8494889a27c05c9a9b0b55ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52e7fd620e1c6445e3885e7ac35732ffb608fbf8494889a27c05c9a9b0b55ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52e7fd620e1c6445e3885e7ac35732ffb608fbf8494889a27c05c9a9b0b55ea0", kill_on_drop: false }`
[INFO] [stdout] 52e7fd620e1c6445e3885e7ac35732ffb608fbf8494889a27c05c9a9b0b55ea0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f43a9fc9359dd9335f1e840bb24cc703a31785ea708a9978090f6e0446f99a8
[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" "9f43a9fc9359dd9335f1e840bb24cc703a31785ea708a9978090f6e0446f99a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.6
[INFO] [stderr]     Checking structopt v0.3.13
[INFO] [stderr]     Checking btwn v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.05s
[INFO] running `Command { std: "docker" "inspect" "9f43a9fc9359dd9335f1e840bb24cc703a31785ea708a9978090f6e0446f99a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f43a9fc9359dd9335f1e840bb24cc703a31785ea708a9978090f6e0446f99a8", kill_on_drop: false }`
[INFO] [stdout] 9f43a9fc9359dd9335f1e840bb24cc703a31785ea708a9978090f6e0446f99a8