[INFO] fetching crate stdtx 0.4.0-pre...
[INFO] checking stdtx-0.4.0-pre against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate stdtx 0.4.0-pre into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate stdtx 0.4.0-pre 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 crates.io crate stdtx 0.4.0-pre
[INFO] finished tweaking crates.io crate stdtx 0.4.0-pre
[INFO] tweaked toml for crates.io crate stdtx 0.4.0-pre written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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" "+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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 12043f12d14a510a8d1fe963ae8ce690b10eaca96d99240b04e5427e2b1e4a74
[INFO] running `Command { std: "docker" "start" "-a" "12043f12d14a510a8d1fe963ae8ce690b10eaca96d99240b04e5427e2b1e4a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12043f12d14a510a8d1fe963ae8ce690b10eaca96d99240b04e5427e2b1e4a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12043f12d14a510a8d1fe963ae8ce690b10eaca96d99240b04e5427e2b1e4a74", kill_on_drop: false }`
[INFO] [stdout] 12043f12d14a510a8d1fe963ae8ce690b10eaca96d99240b04e5427e2b1e4a74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e5d61de7dd47b5a2056abc5463064c261d0e062aebca7564194f8ae6b320a45b
[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" "e5d61de7dd47b5a2056abc5463064c261d0e062aebca7564194f8ae6b320a45b", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling radium v0.4.1
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking const-oid v0.1.0
[INFO] [stderr]    Compiling eyre v0.6.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking indenter v0.3.0
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking bitvec v0.18.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.9.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking hmac v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]     Checking group v0.8.0
[INFO] [stderr]     Checking elliptic-curve v0.6.6
[INFO] [stderr]     Checking ecdsa v0.8.5
[INFO] [stderr]     Checking k256 v0.5.10
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking rust_decimal v1.8.1
[INFO] [stderr]     Checking stdtx v0.4.0-pre (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.14s
[INFO] running `Command { std: "docker" "inspect" "e5d61de7dd47b5a2056abc5463064c261d0e062aebca7564194f8ae6b320a45b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5d61de7dd47b5a2056abc5463064c261d0e062aebca7564194f8ae6b320a45b", kill_on_drop: false }`
[INFO] [stdout] e5d61de7dd47b5a2056abc5463064c261d0e062aebca7564194f8ae6b320a45b