[INFO] crate cargo-ensure-prefix 0.1.6 is already in cache
[INFO] checking cargo-ensure-prefix-0.1.6 against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] extracting crate cargo-ensure-prefix 0.1.6 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cargo-ensure-prefix 0.1.6 on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cargo-ensure-prefix 0.1.6
[INFO] finished tweaking crates.io crate cargo-ensure-prefix 0.1.6
[INFO] tweaked toml for crates.io crate cargo-ensure-prefix 0.1.6 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate cargo-ensure-prefix 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4aa2355151770905238da68a03fb23eaa48ce3ef5ea6b6c8d11a5511789f328e
[INFO] running `"docker" "start" "-a" "4aa2355151770905238da68a03fb23eaa48ce3ef5ea6b6c8d11a5511789f328e"`
[INFO] [stderr]    Compiling curl v0.4.26
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling curl-sys v0.4.28+curl-7.69.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.16
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr]     Checking jobserver v0.1.21
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking serde_ignored v0.0.4
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking ignore v0.4.11
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking opener v0.3.2
[INFO] [stderr]     Checking rustfix v0.4.6
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]     Checking structopt v0.3.11
[INFO] [stderr]     Checking crates-io v0.20.0
[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr]     Checking git2-curl v0.8.2
[INFO] [stderr]     Checking cargo v0.32.0
[INFO] [stderr]     Checking cargo-ensure-prefix v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `"docker" "inspect" "4aa2355151770905238da68a03fb23eaa48ce3ef5ea6b6c8d11a5511789f328e"`
[INFO] running `"docker" "rm" "-f" "4aa2355151770905238da68a03fb23eaa48ce3ef5ea6b6c8d11a5511789f328e"`
[INFO] [stdout] 4aa2355151770905238da68a03fb23eaa48ce3ef5ea6b6c8d11a5511789f328e