[INFO] cloning repository https://github.com/PeterGrace/default-backend-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PeterGrace/default-backend-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeterGrace%2Fdefault-backend-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeterGrace%2Fdefault-backend-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc76c8f7e3f1414b1e205be00b00d90fe06dfa62
[INFO] checking PeterGrace/default-backend-rs against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeterGrace%2Fdefault-backend-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PeterGrace/default-backend-rs on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PeterGrace/default-backend-rs
[INFO] finished tweaking git repo https://github.com/PeterGrace/default-backend-rs
[INFO] tweaked toml for git repo https://github.com/PeterGrace/default-backend-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/PeterGrace/default-backend-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb28c4fe6eec516aaa26a21806d7720beb726fc387ab1c5e3a4690d2000028e2
[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" "bb28c4fe6eec516aaa26a21806d7720beb726fc387ab1c5e3a4690d2000028e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb28c4fe6eec516aaa26a21806d7720beb726fc387ab1c5e3a4690d2000028e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb28c4fe6eec516aaa26a21806d7720beb726fc387ab1c5e3a4690d2000028e2", kill_on_drop: false }`
[INFO] [stdout] bb28c4fe6eec516aaa26a21806d7720beb726fc387ab1c5e3a4690d2000028e2
[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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c50a3ce716351a5c4370f60506f04656443c548b7887d18dc416134a931acb5
[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" "0c50a3ce716351a5c4370f60506f04656443c548b7887d18dc416134a931acb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling zeroize v1.1.1
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking hashbrown v0.9.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]    Compiling prometheus v0.10.0
[INFO] [stderr]     Checking auditable v0.1.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling universal-hash v0.3.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]    Compiling polyval v0.3.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling ghash v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling aes-gcm v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking cookie v0.11.3
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking rocket_http v0.4.5
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]    Compiling rocket_codegen v0.4.5
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]    Compiling semver v0.10.0
[INFO] [stderr]     Checking rocket v0.4.5
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]    Compiling cargo_metadata v0.11.2
[INFO] [stderr]     Checking rocket_prometheus v0.7.0
[INFO] [stderr]     Checking rocket_contrib v0.4.5
[INFO] [stderr]    Compiling auditable-serde v0.1.0
[INFO] [stderr]    Compiling auditable-build v0.1.0
[INFO] [stderr]    Compiling default-backend-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 04s
[INFO] running `Command { std: "docker" "inspect" "0c50a3ce716351a5c4370f60506f04656443c548b7887d18dc416134a931acb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c50a3ce716351a5c4370f60506f04656443c548b7887d18dc416134a931acb5", kill_on_drop: false }`
[INFO] [stdout] 0c50a3ce716351a5c4370f60506f04656443c548b7887d18dc416134a931acb5