[INFO] fetching crate checksums 0.6.0...
[INFO] checking checksums-0.6.0 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate checksums 0.6.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate checksums 0.6.0 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate checksums 0.6.0
[INFO] finished tweaking crates.io crate checksums 0.6.0
[INFO] tweaked toml for crates.io crate checksums 0.6.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", 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] 0843793d25af03150705b2f3be431b124c8462cebf6f0aa8b5c3bdf7a7428f18
[INFO] running `Command { std: "docker" "start" "-a" "0843793d25af03150705b2f3be431b124c8462cebf6f0aa8b5c3bdf7a7428f18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0843793d25af03150705b2f3be431b124c8462cebf6f0aa8b5c3bdf7a7428f18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0843793d25af03150705b2f3be431b124c8462cebf6f0aa8b5c3bdf7a7428f18", kill_on_drop: false }`
[INFO] [stdout] 0843793d25af03150705b2f3be431b124c8462cebf6f0aa8b5c3bdf7a7428f18
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cd064d02edf38eefbabb992805d5690b3007e7f5c092e7fed03256e7d70492f
[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" "3cd064d02edf38eefbabb992805d5690b3007e7f5c092e7fed03256e7d70492f", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling crc16 v0.3.4
[INFO] [stderr]    Compiling crc32c v0.4.0
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking crc8 v0.1.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking tabwriter v1.2.1
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking pbr v1.0.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling md6 v1.1.1
[INFO] [stderr]    Compiling blake v1.1.1
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking shaman v0.1.0
[INFO] [stderr]     Checking checksums v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ops/mod.rs:114:30
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn read_hashes(err: &mut Write, file: &(String, PathBuf)) -> Result<BTreeMap<String, String>, Error> {
[INFO] [stdout]     |                              ^^^^^ help: use `dyn`: `dyn Write`
[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/ops/mod.rs:114:30
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn read_hashes(err: &mut Write, file: &(String, PathBuf)) -> Result<BTreeMap<String, String>, Error> {
[INFO] [stdout]     |                              ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/ops/mod.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | /     lazy_static! {
[INFO] [stdout] 116 | |         static ref LINE_RGX: Regex = Regex::new(r"^(.+?)\s{2,}([[:xdigit:]-]+)$").unwrap();
[INFO] [stdout] 117 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/ops/mod.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | /     lazy_static! {
[INFO] [stdout] 116 | |         static ref LINE_RGX: Regex = Regex::new(r"^(.+?)\s{2,}([[:xdigit:]-]+)$").unwrap();
[INFO] [stdout] 117 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.50s
[INFO] running `Command { std: "docker" "inspect" "3cd064d02edf38eefbabb992805d5690b3007e7f5c092e7fed03256e7d70492f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cd064d02edf38eefbabb992805d5690b3007e7f5c092e7fed03256e7d70492f", kill_on_drop: false }`
[INFO] [stdout] 3cd064d02edf38eefbabb992805d5690b3007e7f5c092e7fed03256e7d70492f