[INFO] fetching crate add-remote 2.2.2...
[INFO] checking add-remote-2.2.2 against beta for pr-78714
[INFO] extracting crate add-remote 2.2.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate add-remote 2.2.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate add-remote 2.2.2
[INFO] finished tweaking crates.io crate add-remote 2.2.2
[INFO] tweaked toml for crates.io crate add-remote 2.2.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unwrap v1.2.1
[INFO] [stderr]   Downloaded colour v0.3.1
[INFO] [stderr]   Downloaded find_git v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fe89adf56be59352725efb975f77c26a76c64b1e2613909f0f29b5a9f209cd7
[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" "6fe89adf56be59352725efb975f77c26a76c64b1e2613909f0f29b5a9f209cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fe89adf56be59352725efb975f77c26a76c64b1e2613909f0f29b5a9f209cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe89adf56be59352725efb975f77c26a76c64b1e2613909f0f29b5a9f209cd7", kill_on_drop: false }`
[INFO] [stdout] 6fe89adf56be59352725efb975f77c26a76c64b1e2613909f0f29b5a9f209cd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 13216a63bf531e99c3a01b2f2c4d4be286a1cffda37cc1578028cc56eb11f713
[INFO] running `Command { std: "docker" "start" "-a" "13216a63bf531e99c3a01b2f2c4d4be286a1cffda37cc1578028cc56eb11f713", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking unwrap v1.2.1
[INFO] [stderr]     Checking find_git v1.2.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking colour v0.3.1
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking native-tls v0.2.6
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking add-remote v2.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.91s
[INFO] running `Command { std: "docker" "inspect" "13216a63bf531e99c3a01b2f2c4d4be286a1cffda37cc1578028cc56eb11f713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13216a63bf531e99c3a01b2f2c4d4be286a1cffda37cc1578028cc56eb11f713", kill_on_drop: false }`
[INFO] [stdout] 13216a63bf531e99c3a01b2f2c4d4be286a1cffda37cc1578028cc56eb11f713