[INFO] fetching crate rust_md5 0.2.0...
[INFO] checking rust_md5-0.2.0 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate rust_md5 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rust_md5 0.2.0 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_md5 0.2.0
[INFO] finished tweaking crates.io crate rust_md5 0.2.0
[INFO] tweaked toml for crates.io crate rust_md5 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f88614ed21b639829dd0b8580905eb1f82c153ff0f69e1a0c61d542750251ee
[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" "5f88614ed21b639829dd0b8580905eb1f82c153ff0f69e1a0c61d542750251ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f88614ed21b639829dd0b8580905eb1f82c153ff0f69e1a0c61d542750251ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f88614ed21b639829dd0b8580905eb1f82c153ff0f69e1a0c61d542750251ee", kill_on_drop: false }`
[INFO] [stdout] 5f88614ed21b639829dd0b8580905eb1f82c153ff0f69e1a0c61d542750251ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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] c2567ec081b76026a0b8bc5eda9dc6445222a24a0895e8b8f51b1a75039ea346
[INFO] running `Command { std: "docker" "start" "-a" "c2567ec081b76026a0b8bc5eda9dc6445222a24a0895e8b8f51b1a75039ea346", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking rust_md5 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/md5/reader.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |     internal: Box<Iterator<Item = u8> + 'a>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = u8> + 'a`
[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/md5/reader.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |     internal: Box<Iterator<Item = u8> + 'a>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = u8> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "c2567ec081b76026a0b8bc5eda9dc6445222a24a0895e8b8f51b1a75039ea346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2567ec081b76026a0b8bc5eda9dc6445222a24a0895e8b8f51b1a75039ea346", kill_on_drop: false }`
[INFO] [stdout] c2567ec081b76026a0b8bc5eda9dc6445222a24a0895e8b8f51b1a75039ea346