[INFO] fetching crate mir 0.2.4...
[INFO] checking mir-0.2.4 against beta for pr-78714
[INFO] extracting crate mir 0.2.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mir 0.2.4 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 mir 0.2.4
[INFO] finished tweaking crates.io crate mir 0.2.4
[INFO] tweaked toml for crates.io crate mir 0.2.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate mir 0.2.4 already has a lockfile, it will not be regenerated
[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 serde_derive v1.0.95
[INFO] [stderr]   Downloaded gitlab v0.1111.0
[INFO] [stderr]   Downloaded serde v1.0.95
[INFO] running `Command { std: "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" "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] 40612d0436dcc6833dbc36c99b62ea8e4425860e11c373161d0eb11a24c9f2c8
[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" "40612d0436dcc6833dbc36c99b62ea8e4425860e11c373161d0eb11a24c9f2c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40612d0436dcc6833dbc36c99b62ea8e4425860e11c373161d0eb11a24c9f2c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40612d0436dcc6833dbc36c99b62ea8e4425860e11c373161d0eb11a24c9f2c8", kill_on_drop: false }`
[INFO] [stdout] 40612d0436dcc6833dbc36c99b62ea8e4425860e11c373161d0eb11a24c9f2c8
[INFO] running `Command { std: "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" "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] [stdout] 23ba6c303c99ed00fdb04fb3ba9474ab5072591e99730789b3fae44deac4be6f
[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" "23ba6c303c99ed00fdb04fb3ba9474ab5072591e99730789b3fae44deac4be6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling serde v1.0.95
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]    Compiling cc v1.0.55
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.12.7+1.0.0
[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 backtrace v0.3.32
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling serde_derive v1.0.95
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking git2 v0.13.6
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking gitlab v0.1111.0
[INFO] [stderr]     Checking mir v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "23ba6c303c99ed00fdb04fb3ba9474ab5072591e99730789b3fae44deac4be6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ba6c303c99ed00fdb04fb3ba9474ab5072591e99730789b3fae44deac4be6f", kill_on_drop: false }`
[INFO] [stdout] 23ba6c303c99ed00fdb04fb3ba9474ab5072591e99730789b3fae44deac4be6f