[INFO] cloning repository https://github.com/nathankleyn/jsonvalid
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nathankleyn/jsonvalid" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathankleyn%2Fjsonvalid"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathankleyn%2Fjsonvalid'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 466b7ceccd1946ab633b3ad131d6c6d47eb19d09
[INFO] checking nathankleyn/jsonvalid against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathankleyn%2Fjsonvalid" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nathankleyn/jsonvalid on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nathankleyn/jsonvalid
[INFO] finished tweaking git repo https://github.com/nathankleyn/jsonvalid
[INFO] tweaked toml for git repo https://github.com/nathankleyn/jsonvalid written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/nathankleyn/jsonvalid already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 99bd12f8b6c387092bad8fa96196b26e660c3f90f722098ce780bb60f498ae91
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "99bd12f8b6c387092bad8fa96196b26e660c3f90f722098ce780bb60f498ae91"`
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling rustc-demangle v0.1.6
[INFO] [stderr]     Checking clap v2.30.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling remove_dir_all v0.3.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling tempdir v0.3.6
[INFO] [stderr]     Checking jsonvalid v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:61:36
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn string_from_reader(reader: &mut Read) -> Result<String, std::io::Error> {
[INFO] [stderr]    |                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling cargo_metadata v0.3.3
[INFO] [stderr]    Compiling skeptic v0.13.2
[INFO] [stderr]    Compiling assert_cli v0.5.4
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:61:36
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn string_from_reader(reader: &mut Read) -> Result<String, std::io::Error> {
[INFO] [stderr]    |                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.38s
[INFO] running `"docker" "inspect" "99bd12f8b6c387092bad8fa96196b26e660c3f90f722098ce780bb60f498ae91"`
[INFO] running `"docker" "rm" "-f" "99bd12f8b6c387092bad8fa96196b26e660c3f90f722098ce780bb60f498ae91"`
[INFO] [stdout] 99bd12f8b6c387092bad8fa96196b26e660c3f90f722098ce780bb60f498ae91