[INFO] fetching crate md5sum 0.1.0...
[INFO] checking md5sum-0.1.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate md5sum 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate md5sum 0.1.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate md5sum 0.1.0
[INFO] finished tweaking crates.io crate md5sum 0.1.0
[INFO] tweaked toml for crates.io crate md5sum 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf3c6ae17b748220f0689817aa8b263850892ab7f92e30754f766e17afc18d17
[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" "bf3c6ae17b748220f0689817aa8b263850892ab7f92e30754f766e17afc18d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf3c6ae17b748220f0689817aa8b263850892ab7f92e30754f766e17afc18d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf3c6ae17b748220f0689817aa8b263850892ab7f92e30754f766e17afc18d17", kill_on_drop: false }`
[INFO] [stdout] bf3c6ae17b748220f0689817aa8b263850892ab7f92e30754f766e17afc18d17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--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] 1cbb0704e41c37e0c456fdb105e75ef5c12acc74a66af2c3177c2571264e351e
[INFO] running `Command { std: "docker" "start" "-a" "1cbb0704e41c37e0c456fdb105e75ef5c12acc74a66af2c3177c2571264e351e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking md5sum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:227:25
[INFO] [stdout]     |
[INFO] [stdout] 227 |     where F: FnMut(&mut BufRead) -> io::Result<T>
[INFO] [stdout]     |                         ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:233:33
[INFO] [stdout]     |
[INFO] [stdout] 233 |             Box::new($e) as Box<BufRead>
[INFO] [stdout]     |                                 ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout] ...
[INFO] [stdout] 239 |             boxed_bufread!(stdin.lock())
[INFO] [stdout]     |             ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:233:33
[INFO] [stdout]     |
[INFO] [stdout] 233 |             Box::new($e) as Box<BufRead>
[INFO] [stdout]     |                                 ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout] ...
[INFO] [stdout] 242 |             boxed_bufread!(file)
[INFO] [stdout]     |             -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:227:25
[INFO] [stdout]     |
[INFO] [stdout] 227 |     where F: FnMut(&mut BufRead) -> io::Result<T>
[INFO] [stdout]     |                         ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:233:33
[INFO] [stdout]     |
[INFO] [stdout] 233 |             Box::new($e) as Box<BufRead>
[INFO] [stdout]     |                                 ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout] ...
[INFO] [stdout] 239 |             boxed_bufread!(stdin.lock())
[INFO] [stdout]     |             ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:233:33
[INFO] [stdout]     |
[INFO] [stdout] 233 |             Box::new($e) as Box<BufRead>
[INFO] [stdout]     |                                 ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout] ...
[INFO] [stdout] 242 |             boxed_bufread!(file)
[INFO] [stdout]     |             -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.54s
[INFO] running `Command { std: "docker" "inspect" "1cbb0704e41c37e0c456fdb105e75ef5c12acc74a66af2c3177c2571264e351e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cbb0704e41c37e0c456fdb105e75ef5c12acc74a66af2c3177c2571264e351e", kill_on_drop: false }`
[INFO] [stdout] 1cbb0704e41c37e0c456fdb105e75ef5c12acc74a66af2c3177c2571264e351e