[INFO] updating cached repository https://github.com/ftilde/umc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 40f09eb9dd70a2df44df8578a3622c5e2f786c02
[INFO] checking ftilde/umc against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftilde%2Fumc" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ftilde/umc on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ftilde/umc
[INFO] finished tweaking git repo https://github.com/ftilde/umc
[INFO] tweaked toml for git repo https://github.com/ftilde/umc written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ftilde/umc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 8baba822fefc09662e1c9750a70b19c8d26ba828f990ffdff5ea6731ad3f40c8
[INFO] running `"docker" "start" "-a" "8baba822fefc09662e1c9750a70b19c8d26ba828f990ffdff5ea6731ad3f40c8"`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling ndarray v0.8.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking mime v0.3.14
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking smallvec v0.3.4
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.0
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking matrixmultiply v0.1.15
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking termion v1.5.4
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking signal-hook v0.1.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling derive_builder_core v0.2.0
[INFO] [stderr]     Checking rusqlite v0.21.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]     Checking tokio v0.2.6
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking mpvipc v1.1.8
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]     Checking raw_tty v0.1.0
[INFO] [stderr]     Checking unsegen v0.2.3
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking quick-xml v0.14.0
[INFO] [stderr]     Checking quick-xml v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.3
[INFO] [stderr]     Checking atom_syndication v0.6.0
[INFO] [stderr]     Checking rss v1.8.0
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]    Compiling structopt-derive v0.4.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking structopt v0.3.7
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking hyper-tls v0.4.0
[INFO] [stderr]     Checking reqwest v0.10.0
[INFO] [stderr]     Checking uvp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 33s
[INFO] running `"docker" "inspect" "8baba822fefc09662e1c9750a70b19c8d26ba828f990ffdff5ea6731ad3f40c8"`
[INFO] running `"docker" "rm" "-f" "8baba822fefc09662e1c9750a70b19c8d26ba828f990ffdff5ea6731ad3f40c8"`
[INFO] [stdout] 8baba822fefc09662e1c9750a70b19c8d26ba828f990ffdff5ea6731ad3f40c8